arch/alpha/kernel/core_cia.c

1040

i = ffs(syn) - 1;

arch/alpha/kernel/core_cia.c

1119

switch (ffs(cia->cia_err & 0xfff) - 1) {

arch/alpha/kernel/core_cia.c

864

tmp = ffs(tmp);

arch/arc/include/asm/bitops.h

107

return ffs(word) - 1;

arch/arc/kernel/mcip.c

281

if (ffs(destination_bits) == fls(destination_bits))

arch/arm/kernel/setup.c

647

fs[i] = affinity ? ffs(affinity) - 1 : 0;

arch/arm64/kernel/setup.c

134

fs[i] = affinity ? ffs(affinity) - 1 : 0;

arch/arm64/kvm/vgic/vgic-v2.c

271

u32 src = ffs(irq->source);

arch/arm64/kvm/vgic/vgic-v2.c

311

u32 src = ffs(irq->source);

arch/arm64/kvm/vgic/vgic-v3.c

346

u32 src = ffs(irq->source);

arch/arm64/kvm/vgic/vgic-v3.c

379

u32 src = ffs(irq->source);

arch/arm64/lib/insn.c

1397

imms |= 0xf << ffs(esz);

arch/loongarch/include/asm/fpu.h

66

(ffs(FPU_CSR_ALL_X) - ffs(FPU_CSR_ALL_E)));

arch/loongarch/kvm/intc/eiointc.c

85

cpuid = ffs(cpuid) - 1;

arch/m68k/emu/nfblock.c

122

dev->bshift = ffs(bsize) - 10;

arch/m68k/include/asm/bitops.h

536

return ffs(x) - 1;

arch/mips/include/asm/fpu_emulator.h

184

(ffs(FPU_CSR_ALL_X) - ffs(FPU_CSR_ALL_E))));

arch/mips/kernel/mips-cm.c

497

tag_ecc ? (unsigned long)ffs(tag_way_bits) - 1 :

arch/mips/kvm/entry.c

79

scratch_vcpu[1] = ffs(kscratch_mask) - 1;

arch/mips/kvm/entry.c

86

scratch_tmp[1] = ffs(kscratch_mask) - 1;

arch/mips/loongson2ef/common/mem.c

27

if (bit != ffs(memsize + highmemsize))

arch/mips/loongson2ef/lemote-2f/irq.c

42

irq = ffs(isr) - 1;

arch/mips/loongson64/smp.c

79

while ((irq = ffs(action))) {

arch/mips/mm/c-octeon.c

188

c->icache.waybit = ffs(icache_size / c->icache.ways) - 1;

arch/mips/mm/c-octeon.c

197

c->dcache.waybit = ffs(dcache_size / c->dcache.ways) - 1;

arch/mips/mm/tlbex.c

316

r = ffs(a);

arch/mips/sni/a20r.c

214

irq = ffs(((cause & status) >> 8) & 0xf8);

arch/mips/sni/pcimt.c

271

irq = PCIMT_IRQ_INT2 + ffs(pend) - 1;

arch/mips/sni/pcit.c

187

irq = ffs((pending >> 16) & 0x7f);

arch/mips/sni/pcit.c

200

irq = ffs((pending >> 16) & 0x3f);

arch/mips/sni/rm200.c

454

irq = ffs(stat & mask & 0x1f);

arch/powerpc/kvm/book3s_xive.c

149

prio = ffs(pending) - 1;

arch/powerpc/kvm/book3s_xive.c

385

prio = ffs(pending) - 1;

arch/powerpc/mm/book3s32/mmu.c

105

unsigned int base_shift = (ffs(base) - 1) & 31;

arch/powerpc/net/bpf_jit_comp32.c

589

} else if (imm == (((1 << fls(imm)) - 1) ^ ((1 << (ffs(i) - 1)) - 1))) {

arch/powerpc/net/bpf_jit_comp32.c

591

32 - fls(imm), 32 - ffs(imm)));

arch/powerpc/perf/mpc7450-pmu.c

298

pmc = ffs(pmc_avail);

arch/powerpc/platforms/44x/uic.c

215

src = 32 - ffs(msr);

arch/powerpc/platforms/44x/uic.c

329

src = 32 - ffs(msr);

arch/powerpc/platforms/52xx/media5200.c

94

val = ffs((status & enable) >> MEDIA5200_IRQ_SHIFT);

arch/powerpc/platforms/52xx/mpc52xx_pic.c

509

irq = ffs(status) - 1;

arch/powerpc/sysdev/fsl_msi.c

308

intr_index = ffs(msir_value) - 1;

arch/powerpc/sysdev/xive/common.c

160

prio = ffs(xc->pending_prio) - 1;

arch/s390/include/asm/cio.h

359

return 8 - ffs(mask);

arch/sparc/include/asm/bitops_64.h

35

int __attribute_const__ ffs(int x);

arch/x86/boot/a20.c

23

int ffs = MAX_8042_FF;

arch/x86/boot/a20.c

31

if (!--ffs)

arch/x86/kernel/apic/x2apic_uv_x.c

561

unsigned int order = ffs(mem_block_size);

arch/x86/kvm/debugfs.c

124

index = ffs(pte_list_count(&rmap[l]));

arch/x86/kvm/lapic.c

386

ldr = ffs(mask) - 1;

arch/x86/kvm/mmu/mmu.c

1740

clear_bit((ffs(shadow_accessed_mask) - 1),

arch/xtensa/kernel/ptrace.c

104

wmask = ((rotws ? WSBITS + 1 - ffs(rotws) : 0) << 4) |

block/blk-merge.c

382

bio->bi_bvec_gap_bit = ffs(gaps);

block/blk-merge.c

418

bio->bi_bvec_gap_bit = ffs(gaps);

block/blk-merge.c

769

gaps_bit = min_not_zero(gaps_bit, ffs(bvec_seg_gap(&pb, &nb)));

drivers/accel/amdxdna/amdxdna_ctx.c

133

return ffs(cu_mask[i]) - 1;

drivers/accel/habanalabs/gaudi2/gaudi2_coresight.c

2130

val = ffs(val);

drivers/accel/ivpu/ivpu_hw_ip.c

909

val64 <<= ffs(VPU_40XX_HOST_SS_VERIFICATION_ADDRESS_LO_IMAGE_LOCATION_MASK) - 1;

drivers/ata/libata-sata.c

587

bit = ffs(mask) - 1;

drivers/ata/pata_it821x.c

625

mode = ffs(buf[51]);

drivers/ata/pata_it821x.c

628

mode = ffs(buf[49]);

drivers/ata/sata_fsl.c

1129

dev_num = ffs(dereg) - 1;

drivers/ata/sata_nv.c

987

while ((pos = ffs(check_commands))) {

drivers/bcma/driver_chipcommon_nflash.c

50

cc->nflash.brcmnand_info.chip_select = ffs(reg) - 1;

drivers/bus/brcmstb_gisb.c

249

return gdev->master_names[ffs(mask) - 1];

drivers/bus/brcmstb_gisb.c

476

first = ffs(gdev->valid_mask) - 1;

drivers/clk/at91/clk-master.c

775

div = ffs(div) - 1;

drivers/clk/clk-mux.c

163

u8 width = fls(mask) - ffs(mask) + 1;

drivers/clk/clk-mux.c

58

val = ffs(val) - 1;

drivers/clk/clk-rp1.c

888

parent = ffs(sel) - 1;

drivers/clk/imgtec/clk-boston.c

28

return (val & mask) >> (ffs(mask) - 1);

drivers/clk/ingenic/tcu.c

132

return ffs(val & TCU_TCSR_PARENT_CLOCK_MASK) - 1;

drivers/clk/mediatek/clk-fhctl.c

177

regval |= (ffs(postdiv) - 1) << pll->data->pd_shift;

drivers/clk/mediatek/clk-fhctl.c

81

r |= (data->df_val << (ffs(data->msk_frddsx_dys) - 1));

drivers/clk/mediatek/clk-fhctl.c

86

r |= (data->dt_val << (ffs(data->msk_frddsx_dts) - 1));

drivers/clk/mediatek/clk-pll.c

112

val |= (ffs(postdiv) - 1) << pll->data->pd_shift;

drivers/clk/mmp/clk-mix.c

67

return ffs(val) - 1;

drivers/clk/tegra/clk-tegra210.c

1633

if (i == ffs(p))

drivers/clk/ti/mux.c

47

val = ffs(val) - 1;

drivers/clk/ti/mux.c

67

index = (1 << ffs(index));

drivers/clocksource/sh_cmt.c

1098

unsigned int hwidx = ffs(mask) - 1;

drivers/crypto/ccp/ccp-dev.h

103

#define QUEUE_SIZE_VAL ((ffs(COMMANDS_PER_QUEUE) - 2) & \

drivers/crypto/sahara.c

314

u16 chasrc = ffs(SAHARA_ERRSTATUS_GET_CHASRC(error));

drivers/dma/amd/ptdma/ptdma.h

94

#define QUEUE_SIZE_VAL ((ffs(CMD_Q_LEN) - 2) & \

drivers/dma/at_xdmac.c

681

csize = ffs(atchan->sconfig.src_maxburst) - 1;

drivers/dma/at_xdmac.c

687

dwidth = ffs(atchan->sconfig.src_addr_width) - 1;

drivers/dma/at_xdmac.c

706

csize = ffs(atchan->sconfig.dst_maxburst) - 1;

drivers/dma/at_xdmac.c

712

dwidth = ffs(atchan->sconfig.dst_addr_width) - 1;

drivers/dma/dma-jz4780.c

275

int ord = ffs(val) - 1;

drivers/dma/fsl-edma-common.c

219

src_val = ffs(src_addr_width) - 1;

drivers/dma/fsl-edma-common.c

220

dst_val = ffs(dst_addr_width) - 1;

drivers/dma/fsl-edma-common.c

787

src_bus_width = min_t(u32, DMA_SLAVE_BUSWIDTH_32_BYTES, 1 << (ffs(dma_src) - 1));

drivers/dma/fsl-edma-common.c

788

dst_bus_width = min_t(u32, DMA_SLAVE_BUSWIDTH_32_BYTES, 1 << (ffs(dma_dst) - 1));

drivers/dma/img-mdc-dma.c

187

return ffs(bytes) - 1;

drivers/dma/mv_xor.c

534

i = ffs(~win_enable) - 1;

drivers/dma/qcom/qcom_adm.c

203

ret = ffs(burst >> 4) - 1;

drivers/dma/sprd-dma.c

721

return ffs(buswidth) - 1;

drivers/dma/stm32/stm32-mdma.c

365

return ffs(width) - 1;

drivers/dma/ti/omap-dma.c

645

while ((channel = ffs(status)) != 0) {

drivers/dma/xilinx/xilinx_dma.c

1856

chan_id = ffs(chan_sermask);

drivers/firewire/ohci.c

2099

i = ffs(iso_event) - 1;

drivers/firewire/ohci.c

2110

i = ffs(iso_event) - 1;

drivers/firewire/ohci.c

2973

index = ffs(*mask) - 1;

drivers/firewire/ohci.c

2985

index = *channels & 1ULL << channel ? ffs(*mask) - 1 : -1;

drivers/firewire/ohci.c

2997

index = !ohci->mc_allocated ? ffs(*mask) - 1 : -1;

drivers/gpu/drm/amd/amdgpu/amdgpu.h

1485

for (i = ffs(inst_mask); i-- != 0; \

drivers/gpu/drm/amd/amdgpu/amdgpu.h

1486

i = ffs(inst_mask & BIT_MASK_UPPER(i + 1)))

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c

592

int num_lanes_shift = (is_min ? ffs(adev->pm.pcie_mlw_mask) :

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c

594

int gen_speed_shift = (is_min ? ffs(adev->pm.pcie_gen_mask &

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c

73

#define domain_string(domain) domain_bit_to_string[ffs(domain)-1]

drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c

675

inv_eng = ffs(vm_inv_engs[vmhub]);

drivers/gpu/drm/amd/amdgpu/amdgpu_ip.c

58

log_inst = ffs(mask) - 1;

drivers/gpu/drm/amd/amdgpu/amdgpu_ip.c

74

i = ffs(inst_mask) - 1;

drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c

116

#define ras_err_str(i) (ras_error_string[ffs(i)])

drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c

775

*frag = min_t(unsigned int, ffs(start) - 1, fls64(end - start) - 1);

drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c

134

i = GET_INST(GC, (ffs(inst_mask) - 1));

drivers/gpu/drm/amd/amdgpu/aqua_vanjaram.c

476

xcc_id = ffs(xcc_mask) - 1;

drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c

1531

while ((i = ffs(supp_modes))) {

drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c

430

return ffs(tmp);

drivers/gpu/drm/amd/amdgpu/si.c

2631

v = ffs(readrq) - 8;

drivers/gpu/drm/amd/amdgpu/soc_v1_0.c

754

xcc_id = ffs(xcc_mask) - 1;

drivers/gpu/drm/amd/amdkfd/kfd_debug.c

378

ffs(pdd->dev->xcc_mask) - 1);

drivers/gpu/drm/amd/amdkfd/kfd_device.c

773

first_vmid_kfd = ffs(gpu_resources->compute_vmid_bitmap)-1;

drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c

260

queue_input.xcc_id = ffs(dqm->dev->xcc_mask) - 1;

drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c

291

queue_input.xcc_id = ffs(dqm->dev->xcc_mask) - 1;

drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c

759

bit = ffs(dqm->allocated_queues[pipe]) - 1;

drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h

370

ffs(dqm->dev->xcc_mask) - 1);

drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c

112

int xcc_inst = inst + ffs(mm->dev->xcc_mask) - 1;

drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c

175

ffs(q->queue_size / sizeof(unsigned int)) - 1 - 1;

drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c

203

ffs(q->eop_ring_buffer_size / sizeof(unsigned int)) - 1 - 1);

drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c

371

m->sdmax_rlcx_rb_cntl = (ffs(q->queue_size / sizeof(unsigned int)) - 1)

drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v11.c

215

ffs(q->queue_size / sizeof(unsigned int)) - 1 - 1;

drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v11.c

242

ffs(q->eop_ring_buffer_size / sizeof(unsigned int)) - 1 - 1);

drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v11.c

415

m->sdmax_rlcx_rb_cntl = (ffs(q->queue_size / sizeof(unsigned int)) - 1)

drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12.c

190

ffs(q->queue_size / sizeof(unsigned int)) - 1 - 1;

drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12.c

217

ffs(q->eop_ring_buffer_size / sizeof(unsigned int)) - 1 - 1);

drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12.c

328

m->sdmax_rlcx_rb_cntl = (ffs(q->queue_size / sizeof(unsigned int)) - 1)

drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12_1.c

246

ffs(q->queue_size / sizeof(unsigned int)) - 1 - 1;

drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12_1.c

295

ffs(q->eop_ring_buffer_size / sizeof(unsigned int)) - 1 - 1);

drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12_1.c

403

m->sdmax_rlcx_rb_cntl = (ffs(q->queue_size / sizeof(unsigned int)) - 1)

drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12_1.c

56

int xcc_inst = inst + ffs(mm->dev->xcc_mask) - 1;

drivers/gpu/drm/amd/amdkfd/kfd_process.c

2285

node_id = ffs(pdd->dev->interrupt_bitmap) - 1;

drivers/gpu/drm/amd/amdkfd/kfd_process.c

306

&max_waves_per_cu, ffs(dev->xcc_mask) - 1);

drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c

98

ffs(pdd->dev->xcc_mask) - 1);

drivers/gpu/drm/amd/amdkfd/kfd_topology.c

1108

buf[7] = (ffs(gpu->xcc_mask) - 1) | (NUM_XCC(gpu->xcc_mask) << 16);

drivers/gpu/drm/amd/amdkfd/kfd_topology.c

1628

first_active_cu = ffs(cu_sibling_map_mask);

drivers/gpu/drm/amd/amdkfd/kfd_topology.c

1693

start = ffs(knode->xcc_mask) - 1;

drivers/gpu/drm/amd/amdkfd/kfd_topology.c

1712

first_active_cu = ffs(cu_sibling_map_mask);

drivers/gpu/drm/amd/amdkfd/kfd_topology.c

1818

start = ffs(kdev->xcc_mask) - 1;

drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c

979

low = mask ? (ffs(mask) - 1) : 0;

drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c

4946

if (fls(tmp) != ffs(tmp))

drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c

4280

data->smc_state_table.gfx_boot_level = mask ? (ffs(mask) - 1) : 0;

drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c

4293

data->smc_state_table.mem_boot_level = mask ? (ffs(mask) - 1) : 0;

drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c

4307

data->smc_state_table.soc_boot_level = mask ? (ffs(mask) - 1) : 0;

drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega12_hwmgr.c

2034

soft_min_level = mask ? (ffs(mask) - 1) : 0;

drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega12_hwmgr.c

2054

soft_min_level = mask ? (ffs(mask) - 1) : 0;

drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega12_hwmgr.c

2075

soft_min_level = mask ? (ffs(mask) - 1) : 0;

drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega12_hwmgr.c

2103

hard_min_level = mask ? (ffs(mask) - 1) : 0;

drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_hwmgr.c

2575

soft_min_level = mask ? (ffs(mask) - 1) : 0;

drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_hwmgr.c

2602

soft_min_level = mask ? (ffs(mask) - 1) : 0;

drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_hwmgr.c

2630

soft_min_level = mask ? (ffs(mask) - 1) : 0;

drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_hwmgr.c

2658

soft_min_level = mask ? (ffs(mask) - 1) : 0;

drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_hwmgr.c

2686

hard_min_level = mask ? (ffs(mask) - 1) : 0;

drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_hwmgr.c

2708

soft_min_level = mask ? (ffs(mask) - 1) : 0;

drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c

952

soft_min_level = mask ? (ffs(mask) - 1) : 0;

drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c

1414

soft_min_level = mask ? (ffs(mask) - 1) : 0;

drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c

1408

soft_min_level = mask ? (ffs(mask) - 1) : 0;

drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c

1172

soft_min_level = mask ? (ffs(mask) - 1) : 0;

drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c

793

soft_min_level = mask ? (ffs(mask) - 1) : 0;

drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c

920

soft_min_level = mask ? (ffs(mask) - 1) : 0;

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c

1952

soft_min_level = mask ? (ffs(mask) - 1) : 0;

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c

900

soft_min_level = mask ? (ffs(mask) - 1) : 0;

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c

948

soft_min_level = mask ? (ffs(mask) - 1) : 0;

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c

1510

soft_min_level = mask ? (ffs(mask) - 1) : 0;

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c

1962

soft_min_level = mask ? (ffs(mask) - 1) : 0;

drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c

1130

soft_min_level = mask ? (ffs(mask) - 1) : 0;

drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_0_ppt.c

1279

soft_min_level = mask ? (ffs(mask) - 1) : 0;

drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_2_ppt.c

1314

soft_min_level = mask ? (ffs(mask) - 1) : 0;

drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_0_ppt.c

1131

soft_min_level = mask ? (ffs(mask) - 1) : 0;

drivers/gpu/drm/amd/ras/rascore/ras_nbio_v7_9.c

114

return ffs(mem_mode);

drivers/gpu/drm/drm_blend.c

337

BIT((ffs(rotation & DRM_MODE_ROTATE_MASK) + 1)

drivers/gpu/drm/etnaviv/etnaviv_gpu.c

1602

while ((event = ffs(intr)) != 0) {

drivers/gpu/drm/gma500/cdv_intel_display.c

874

ffs((dpll &

drivers/gpu/drm/gma500/psb_intel_display.c

343

ffs((dpll &

drivers/gpu/drm/i915/display/intel_cursor_regs.h

17

#define CURSOR_STRIDE(stride) REG_FIELD_PREP(CURSOR_STRIDE_MASK, ffs(stride) - 9) /* 256,512,1k,2k */

drivers/gpu/drm/i915/display/intel_ddi.c

4648

crtc_state->master_transcoder = ffs(port_sync_transcoders) - 1;

drivers/gpu/drm/i915/display/intel_ddi.c

912

*pipe_mask = BIT(ffs(*pipe_mask) - 1);

drivers/gpu/drm/i915/display/intel_ddi.c

948

*pipe = ffs(pipe_mask) - 1;

drivers/gpu/drm/i915/display/intel_display.c

200

return ffs(crtc_state->joiner_pipes) - 1;

drivers/gpu/drm/i915/display/intel_display.c

3812

cpu_transcoder = (enum transcoder)ffs(primary_pipe) - 1;

drivers/gpu/drm/i915/display/intel_display.c

3872

pipe_config->cpu_transcoder = ffs(enabled_transcoders) - 1;

drivers/gpu/drm/i915/display/intel_display_irq.c

681

int port = ffs((pch_iir & SDE_AUDIO_POWER_MASK) >>

drivers/gpu/drm/i915/display/intel_display_irq.c

815

int port = ffs((pch_iir & SDE_AUDIO_POWER_MASK_CPT) >>

drivers/gpu/drm/i915/display/intel_dp_mst.c

883

ffs(intel_dp_mst_transcoder_mask(state, intel_dp)) - 1;

drivers/gpu/drm/i915/display/intel_dpll.c

442

clock.n = ffs((fp & FP_N_PINEVIEW_DIV_MASK) >> FP_N_DIV_SHIFT) - 1;

drivers/gpu/drm/i915/display/intel_dpll.c

451

clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_PINEVIEW) >>

drivers/gpu/drm/i915/display/intel_dpll.c

454

clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK) >>

drivers/gpu/drm/i915/display/intel_dpll.c

485

clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS) >>

drivers/gpu/drm/i915/display/intel_dsi_vbt.c

89

return ffs(intel_dsi->ports) - 1;

drivers/gpu/drm/i915/display/intel_modeset_setup.c

241

master_crtc = intel_crtc_for_pipe(display, ffs(*master_pipe_mask) - 1);

drivers/gpu/drm/i915/display/intel_pps.c

203

return ffs(pipes) - 1;

drivers/gpu/drm/i915/display/intel_tc.c

319

pin_assignment = (val & mask) >> (ffs(mask) - 1);

drivers/gpu/drm/i915/display/skl_watermark.c

3545

enum pipe pipe = ffs(dbuf_state->active_pipes) - 1;

drivers/gpu/drm/i915/display/skl_watermark.c

425

ddb->start = (ffs(slice_mask) - 1) * slice_size;

drivers/gpu/drm/i915/display/vlv_dsi_pll.c

112

(ffs(n) - 1) << DSI_PLL_N1_DIV_SHIFT |

drivers/gpu/drm/i915/gt/intel_execlists_submission.c

495

unsigned int tag = ffs(READ_ONCE(engine->context_tag));

drivers/gpu/drm/i915/gt/intel_workarounds.c

1159

slice = ffs(sseu->slice_mask) - 1;

drivers/gpu/drm/i915/gt/intel_workarounds.c

1161

subslice = ffs(intel_sseu_get_hsw_subslices(sseu, slice));

drivers/gpu/drm/i915/gt/intel_workarounds.c

569

ss = ffs(gt->info.sseu.subslice_7eu[i]) - 1;

drivers/gpu/drm/i915/i915_irq.c

175

while ((slice = ffs(dev_priv->l3_parity.which_slice)) != 0) {

drivers/gpu/drm/i915/i915_reg.h

199

#define I830_FENCE_SIZE_BITS(size) ((ffs((size) >> 19) - 1) << 8)

drivers/gpu/drm/i915/i915_reg.h

207

#define I915_FENCE_SIZE_BITS(size) ((ffs((size) >> 20) - 1) << 8)

drivers/gpu/drm/i915/i915_syncmap.c

370

while ((i = ffs(p->bitmap))) {

drivers/gpu/drm/i915/i915_utils.h

73

int __idx = ffs(mask) - 1; \

drivers/gpu/drm/i915/selftests/i915_gem_gtt.c

1125

expected_vma_size = round_up(size, 1 << (ffs(vma->resource->page_sizes_gtt) - 1));

drivers/gpu/drm/msm/adreno/a8xx_gpu.c

117

return ffs(a6xx_gpu->slice_mask) - 1;

drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c

369

while ((bit = ffs(irq_status)) != 0) {

drivers/gpu/drm/nouveau/dispnv04/dac.c

347

'@' + ffs(dcb->or));

drivers/gpu/drm/nouveau/dispnv04/dac.c

423

nv_crtc->index, '@' + ffs(nv_encoder->dcb->or));

drivers/gpu/drm/nouveau/dispnv04/dac.c

432

uint32_t *dac_users = &nv04_display(dev)->dac_users[ffs(dcb->or) - 1];

drivers/gpu/drm/nouveau/dispnv04/dac.c

457

(nv04_display(dev)->dac_users[ffs(dcb->or) - 1] & ~(1 << dcb->index));

drivers/gpu/drm/nouveau/dispnv04/dac.c

542

nv_encoder->or = ffs(entry->or) - 1;

drivers/gpu/drm/nouveau/dispnv04/dfp.c

484

nv_crtc->index, '@' + ffs(nv_encoder->dcb->or));

drivers/gpu/drm/nouveau/dispnv04/dfp.c

710

nv_encoder->or = ffs(entry->or) - 1;

drivers/gpu/drm/nouveau/dispnv04/tvnv04.c

176

nv_crtc->index, '@' + ffs(nv_encoder->dcb->or));

drivers/gpu/drm/nouveau/dispnv04/tvnv04.c

235

nv_encoder->or = ffs(entry->or) - 1;

drivers/gpu/drm/nouveau/dispnv04/tvnv17.c

194

'@' + ffs(dcb->or));

drivers/gpu/drm/nouveau/dispnv04/tvnv17.c

610

nv_crtc->index, '@' + ffs(nv_encoder->dcb->or));

drivers/gpu/drm/nouveau/dispnv04/tvnv17.c

816

tv_enc->base.or = ffs(entry->or) - 1;

drivers/gpu/drm/nouveau/dispnv50/disp.c

1914

disp->core->func->sor->get_caps(disp, nv_encoder, ffs(dcbe->or) - 1);

drivers/gpu/drm/nouveau/dispnv50/disp.c

2091

disp->core->func->pior->get_caps(disp, nv_encoder, ffs(dcbe->or) - 1);

drivers/gpu/drm/nouveau/nouveau_bios.c

1527

((1 << (ffs(entry->or) - 1)) * 3 == entry->or);

drivers/gpu/drm/nouveau/nouveau_bios.c

648

switch (ffs(dcbent->or)) {

drivers/gpu/drm/nouveau/nvkm/engine/disp/conn.c

60

if ((info->hpd = ffs(info->hpd))) {

drivers/gpu/drm/nouveau/nvkm/engine/disp/gf119.c

1019

nvkm_debug(subdev, "supervisor %d\n", ffs(disp->super.pending));

drivers/gpu/drm/nouveau/nvkm/engine/disp/gf119.c

1120

int chid = ffs(stat) - 1;

drivers/gpu/drm/nouveau/nvkm/engine/disp/gv100.c

846

nvkm_debug(subdev, "supervisor %d: %08x\n", ffs(disp->super.pending), stat);

drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c

1019

const u8 l = ffs(outp->info.link);

drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c

1757

ior = nvkm_ior_find(disp, SOR, ffs(outp->info.or) - 1);

drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.c

162

ior = nvkm_ior_find(outp->disp, SOR, ffs(outp->info.or) - 1);

drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.c

317

id = ffs(outp->info.or) - 1;

drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c

433

args->v0.head = ffs(ior->arm.head) - 1;

drivers/gpu/drm/nouveau/nvkm/subdev/clk/gm20b.c

400

cur_pll.base.pl = min(old | BIT(ffs(new) - 1),

drivers/gpu/drm/nouveau/nvkm/subdev/clk/gm20b.c

401

new | BIT(ffs(old) - 1));

drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv50.c

139

init.or = ffs(outp.or) - 1;

drivers/gpu/drm/omapdrm/dss/dsi.c

1061

seq_printf(s, "%-20s %10d\n", #x, stats->dsi_irqs[ffs(DSI_IRQ_##x)-1]);

drivers/gpu/drm/omapdrm/dss/dsi.c

1085

stats->vc_irqs[0][ffs(DSI_VC_IRQ_##x)-1], \

drivers/gpu/drm/omapdrm/dss/dsi.c

1086

stats->vc_irqs[1][ffs(DSI_VC_IRQ_##x)-1], \

drivers/gpu/drm/omapdrm/dss/dsi.c

1087

stats->vc_irqs[2][ffs(DSI_VC_IRQ_##x)-1], \

drivers/gpu/drm/omapdrm/dss/dsi.c

1088

stats->vc_irqs[3][ffs(DSI_VC_IRQ_##x)-1]);

drivers/gpu/drm/omapdrm/dss/dsi.c

1104

stats->cio_irqs[ffs(DSI_CIO_IRQ_##x)-1]);

drivers/gpu/drm/panfrost/panfrost_mmu.c

884

u32 as = ffs(status | (status >> 16)) - 1;

drivers/gpu/drm/panthor/panthor_mmu.c

1697

u32 as = ffs(status | (status >> 16)) - 1;

drivers/gpu/drm/panthor/panthor_mmu.c

807

u32 pg_shift = ffs(pgt->cfg.pgsize_bitmap) - 1;

drivers/gpu/drm/panthor/panthor_sched.c

1668

u32 cs_id = ffs(tiler_oom) - 1;

drivers/gpu/drm/panthor/panthor_sched.c

1824

u32 cs_id = ffs(cs_irqs) - 1;

drivers/gpu/drm/panthor/panthor_sched.c

1886

u32 csg_id = ffs(events) - 1;

drivers/gpu/drm/panthor/panthor_sched.c

1962

u32 csg_id = ffs(update_slots) - 1;

drivers/gpu/drm/panthor/panthor_sched.c

1976

u32 csg_id = ffs(update_slots) - 1;

drivers/gpu/drm/panthor/panthor_sched.c

2363

csg_id = ffs(free_csg_slots) - 1;

drivers/gpu/drm/panthor/panthor_sched.c

2620

u32 cs_id = ffs(tested_queues) - 1;

drivers/gpu/drm/panthor/panthor_sched.c

2841

u32 csg_id = ffs(slot_mask) - 1;

drivers/gpu/drm/panthor/panthor_sched.c

2865

u32 csg_id = ffs(slot_mask) - 1;

drivers/gpu/drm/panthor/panthor_sched.c

2899

u32 csg_id = ffs(slot_mask) - 1;

drivers/gpu/drm/radeon/evergreen.c

1284

v = ffs(readrq) - 8;

drivers/gpu/drm/renesas/rcar-du/rcar_du_kms.c

1005

rcdu->dpad0_source = ffs(dpad0_sources) - 1;

drivers/gpu/drm/renesas/rcar-du/rcar_du_plane.c

200

unsigned int index = ffs(groups) - 1;

drivers/gpu/drm/stm/dw_mipi_dsi-stm.c

332

(ndiv << 2) | (idf << 11) | ((ffs(odf) - 1) << 16));

drivers/gpu/drm/vc4/vc4_kms.c

980

channel = ffs(matching_channels) - 1;

drivers/gpu/drm/vc4/vc4_v3d.c

188

slot = ffs(~vc4->bin_alloc_used);

drivers/gpu/drm/xe/xe_bo.c

3208

bo_flags |= args->placement << (ffs(XE_BO_FLAG_SYSTEM) - 1);

drivers/gpu/drm/xe/xe_execlist.c

376

xe_exec_queue_assign_name(q, ffs(q->logical_mask) - 1);

drivers/gpu/drm/xe/xe_force_wake.c

152

for (tmp__ = (mask__); tmp__; tmp__ &= ~BIT(ffs(tmp__) - 1)) \

drivers/gpu/drm/xe/xe_force_wake.c

154

(ffs(tmp__) - 1))) && \

drivers/gpu/drm/xe/xe_force_wake.h

27

return fw->domains[ffs(domain) - 1].ref;

drivers/gpu/drm/xe/xe_oa.c

444

return ((format->counter_select << (ffs(counter_sel_mask) - 1)) & counter_sel_mask) |

drivers/hid/bpf/hid_bpf_dispatch.c

272

if (!test_and_set_bit(ffs(HID_STAT_REPROBED), &hdev->status)) {

drivers/hid/hid-core.c

2810

clear_bit(ffs(HID_STAT_REPROBED), &hdev->status);

drivers/hid/hid-core.c

3044

!test_and_set_bit(ffs(HID_STAT_REPROBED), &hdev->status))

drivers/hwmon/tmp513.c

188

return 5 - ffs(data->pga_gain);

drivers/hwtracing/ptt/hisi_ptt.c

308

buf_idx = ffs(status) - 1;

drivers/i2c/busses/i2c-npcm7xx.c

1454

info = ffs(addr);

drivers/i3c/master/adi-i3c-master.c

430

return ffs(master->free_rr_slots) - 1;

drivers/i3c/master/dw-i3c-master.c

359

return ffs(master->free_pos) - 1;

drivers/i3c/master/i3c-master-cdns.c

910

return ffs(master->free_rr_slots) - 1;

drivers/i3c/master/renesas-i3c.c

328

return ffs(i3c->free_pos) - 1;

drivers/i3c/master/svc-i3c-master.c

879

slot = ffs(master->free_slots) - 1;

drivers/iio/accel/bma180.c

189

u8 reg_val = (ret & ~mask) | (val << (ffs(mask) - 1));

drivers/iio/accel/mma9551_core.c

50

#define MMA9551_RSC_OFFSET(mask) (3 - (ffs(mask) - 1) / 8)

drivers/iio/accel/mma9551_core.c

51

#define MMA9551_RSC_VAL(mask) (mask >> (((ffs(mask) - 1) / 8) * 8))

drivers/iio/accel/mma9553.c

193

return (val & mask) >> (ffs(mask) - 1);

drivers/iio/accel/mma9553.c

198

return (current_val & ~mask) | (val << (ffs(mask) - 1));

drivers/iio/accel/mma9553.c

67

#define MMA9553_STATUS_TO_BITNUM(bit) (ffs(bit) - 9)

drivers/iio/adc/max11410.c

649

scan_ch = ffs(*indio_dev->active_scan_mask) - 1;

drivers/iio/adc/ti-ads1100.c

150

ads1100_set_config_bits(data, ADS1100_PGA_MASK, ffs(gain) - 1);

drivers/iio/adc/ti_am335x_adc.c

127

stepconfig = STEPCONFIG_AVG(ffs(adc_dev->step_avg[i]) - 1) |

drivers/iio/light/veml6030.c

514

VEML6030_ALS_PERS, (ffs(period) - 1) << 4);

drivers/infiniband/hw/hfi1/pcie.c

455

rc_mps = ffs(pcie_get_mps(parent)) - 8;

drivers/infiniband/hw/hfi1/pcie.c

458

ep_mps = ffs(pcie_get_mps(dd->pcidev)) - 8;

drivers/infiniband/hw/mthca/mthca_allocator.c

83

if (num != 1 << (ffs(num) - 1))

drivers/infiniband/hw/mthca/mthca_cmd.c

682

lg = ffs(mthca_icm_addr(&iter) | mthca_icm_size(&iter)) - 1;

drivers/infiniband/hw/mthca/mthca_cq.c

828

cq_context->logsize_usrpage = cpu_to_be32((ffs(nent) - 1) << 24);

drivers/infiniband/hw/mthca/mthca_eq.c

534

eq_context->logsize_usrpage = cpu_to_be32((ffs(eq->nent) - 1) << 24);

drivers/infiniband/hw/mthca/mthca_profile.c

114

profile[i].log_num = max(ffs(profile[i].num) - 1, 0);

drivers/infiniband/hw/mthca/mthca_profile.c

215

init_hca->log_mc_entry_sz = ffs(MTHCA_MGM_ENTRY_SIZE) - 1;

drivers/infiniband/hw/mthca/mthca_profile.c

229

init_hca->mtt_seg_sz = ffs(dev->limits.mtt_seg_size) - 7;

drivers/infiniband/hw/mthca/mthca_profile.c

243

init_hca->log_uarc_sz = ffs(request->uarc_size) - 13;

drivers/infiniband/hw/mthca/mthca_profile.c

244

init_hca->log_uar_sz = ffs(request->num_uar) - 1;

drivers/infiniband/hw/ocrdma/ocrdma_verbs.c

2272

indx = ffs(srq->idx_bit_fields[row]);

drivers/infiniband/ulp/rtrs/rtrs-clt.c

1468

mr_page_shift = max(12, ffs(ib_dev->attrs.page_size_cap) - 1);

drivers/infiniband/ulp/srp/ib_srp.c

4019

mr_page_shift = max(12, ffs(attr->page_size_cap) - 1);

drivers/input/keyboard/mtk-pmic-keys.c

176

value = long_press_debounce << (ffs(regs->rst_lprst_mask) - 1);

drivers/input/misc/axp20x-pek.c

101

val >>= ffs(mask) - 1;

drivers/input/misc/axp20x-pek.c

157

idx <<= ffs(mask) - 1;

drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c

1249

unsigned int critical_qword_index = ffs(used_qword_diff) - 1;

drivers/iommu/intel/iommu.c

2888

*top_level = 3 + ffs(sagaw >> 3);

drivers/iommu/intel/iommu.c

2891

*top_level = 2 + ffs(sagaw >> 2);

drivers/iommu/intel/perfmon.c

104

(ffs(_filter) - 1) * IOMMU_PMU_CFG_FILTERS_OFFSET, \

drivers/iommu/intel/perfmon.c

114

(ffs(_filter) - 1) * IOMMU_PMU_CFG_FILTERS_OFFSET, \

drivers/irqchip/irq-aspeed-vic.c

102

irq += ffs(stat) - 1;

drivers/irqchip/irq-bcm2835.c

217

return MAKE_HWIRQ(bank, ffs(stat) - 1);

drivers/irqchip/irq-bcm2835.c

222

return MAKE_HWIRQ(bank, shortcuts[ffs(stat >> SHORTCUT_SHIFT) - 1]);

drivers/irqchip/irq-bcm2835.c

232

return MAKE_HWIRQ(0, ffs(stat & BANK0_HWIRQ_MASK) - 1);

drivers/irqchip/irq-bcm2836.c

147

u32 hwirq = ffs(stat) - 1;

drivers/irqchip/irq-bcm2836.c

166

int hwirq = ffs(mbox_val) - 1;

drivers/irqchip/irq-brcmstb-l2.c

84

irq = ffs(status) - 1;

drivers/irqchip/irq-digicolor.c

44

hwirq = ffs(status) - 1;

drivers/irqchip/irq-digicolor.c

48

hwirq = ffs(status) - 1 + 32;

drivers/irqchip/irq-dw-apb-ictl.c

43

u32 hwirq = ffs(stat) - 1;

drivers/irqchip/irq-dw-apb-ictl.c

64

u32 hwirq = ffs(stat) - 1;

drivers/irqchip/irq-ftintc010.c

135

irq = ffs(status) - 1;

drivers/irqchip/irq-loongarch-cpu.c

79

while ((hwirq = ffs(estat))) {

drivers/irqchip/irq-or1k-pic.c

104

hwirq = ffs(mfspr(SPR_PICSR) >> first);

drivers/irqchip/irq-sa11x0.c

147

ffs(mask) - 1);

drivers/irqchip/irq-starfive-jh8100-intc.c

104

hwirq = ffs(value) - 1;

drivers/irqchip/irq-versatile-fpga.c

119

irq = ffs(status) - 1;

drivers/irqchip/irq-versatile-fpga.c

97

unsigned int irq = ffs(status) - 1;

drivers/irqchip/irq-vic.c

213

irq = ffs(stat) - 1;

drivers/irqchip/irq-vic.c

230

hwirq = ffs(stat) - 1;

drivers/macintosh/adb-iop.c

256

autopoll_addr = autopoll_devs ? (ffs(autopoll_devs) - 1) : 0;

drivers/macintosh/via-macii.c

204

poll_addr = ffs(higher_devs ? higher_devs : autopoll_devs) - 1;

drivers/macintosh/via-pmu.c

1379

idx = ffs(ints) - 1;

drivers/md/bcache/bset.c

396

j >>= ffs(j);

drivers/md/bcache/bset.c

451

shift = ffs(j);

drivers/md/bcache/bset.c

600

: tree_to_prev_bkey(t, j >> ffs(j));

drivers/md/dm-vdo/indexer/delta-index.c

1331

key_bits += ffs(data);

drivers/media/i2c/imx274.c

1564

reg_val = ffs(dgain);

drivers/media/i2c/mt9p031.c

435

xbin = 1 << (ffs(xskip) - 1);

drivers/media/i2c/mt9p031.c

436

ybin = 1 << (ffs(yskip) - 1);

drivers/media/i2c/ov01a10.c

963

ov01a10->link_freq_index = ffs(link_freq_bitmap) - 1;

drivers/media/i2c/ov02c10.c

844

ov02c10->link_freq_index = ffs(link_freq_bitmap) - 1;

drivers/media/i2c/ov02e10.c

786

ov02e10->link_freq_index = ffs(link_freq_bitmap) - 1;

drivers/media/platform/allegro-dvt/allegro-core.c

1699

ffs(channel->bitrate_peak) - 6;

drivers/media/platform/allegro-dvt/allegro-core.c

1704

cpb_size_scale = ffs(cpb_size) - 4;

drivers/media/platform/allegro-dvt/allegro-core.c

1906

hrd->bit_rate_scale = ffs(channel->bitrate_peak) - 6;

drivers/media/platform/allegro-dvt/allegro-core.c

1911

hrd->cpb_size_scale = ffs(cpb_size) - 4;

drivers/media/platform/arm/mali-c55/mali-c55-core.c

592

curr_config >>= ffs(MALI_C55_REG_PING_PONG_READ_MASK) - 1;

drivers/media/platform/mediatek/mdp/mtk_mdp_m2m.c

161

walign = ffs(align_w) - 1;

drivers/media/platform/mediatek/mdp/mtk_mdp_m2m.c

162

halign = ffs(align_h) - 1;

drivers/media/platform/samsung/exynos-gsc/gsc-core.c

417

mod_x = ffs(variant->pix_align->org_w) - 1;

drivers/media/platform/samsung/exynos-gsc/gsc-core.c

419

mod_y = ffs(variant->pix_align->org_h) - 1;

drivers/media/platform/samsung/exynos-gsc/gsc-core.c

421

mod_y = ffs(variant->pix_align->org_h) - 2;

drivers/media/platform/samsung/exynos-gsc/gsc-core.c

555

mod_x = ffs(variant->pix_align->target_w) - 1;

drivers/media/platform/samsung/exynos-gsc/gsc-core.c

557

mod_y = ffs(variant->pix_align->target_h) - 1;

drivers/media/platform/samsung/exynos4-is/fimc-capture.c

221

unsigned int plane = ffs(f->fmt->mdataplanes) - 1;

drivers/media/platform/samsung/exynos4-is/fimc-capture.c

625

ffs(var->min_out_pixsize) - 1,

drivers/media/platform/samsung/exynos4-is/fimc-capture.c

658

u32 tmp_min_h = ffs(sink->width) - 3;

drivers/media/platform/samsung/exynos4-is/fimc-capture.c

659

u32 tmp_min_v = ffs(sink->height) - 1;

drivers/media/platform/samsung/exynos4-is/fimc-capture.c

695

v4l_bound_align_image(&r->width, min_w, max_w, ffs(min_sz) - 1,

drivers/media/platform/samsung/exynos4-is/fimc-lite.c

560

ffs(dd->out_width_align) - 1,

drivers/media/platform/samsung/exynos4-is/fimc-lite.c

712

ffs(dd->out_width_align) - 1,

drivers/media/platform/samsung/exynos4-is/fimc-m2m.c

285

mod_x = ffs(variant->min_inp_pixsize) - 1;

drivers/media/platform/samsung/exynos4-is/fimc-m2m.c

288

mod_x = ffs(variant->min_out_pixsize) - 1;

drivers/media/platform/samsung/exynos4-is/fimc-m2m.c

298

mod_y = ffs(variant->min_vsize_align) - 1;

drivers/media/platform/samsung/exynos4-is/fimc-m2m.c

458

halign = ffs(fimc->variant->min_vsize_align) - 1;

drivers/media/platform/samsung/exynos4-is/fimc-m2m.c

464

ffs(min_size) - 1,

drivers/media/platform/samsung/s3c-camif/camif-capture.c

1263

ffs(pix_lim->out_width_align) - 1,

drivers/media/platform/samsung/s3c-camif/camif-capture.c

1269

ffs(pix_lim->out_width_align) - 1,

drivers/media/platform/samsung/s3c-camif/camif-capture.c

1397

ffs(pix_lim->win_hor_offset_align) - 1,

drivers/media/platform/samsung/s3c-camif/camif-capture.c

1401

ffs(pix_lim->win_hor_offset_align),

drivers/media/platform/samsung/s3c-camif/camif-capture.c

733

sc_hrmax = min(SCALER_MAX_RATIO, 1 << (ffs(crop->width) - 3));

drivers/media/platform/samsung/s3c-camif/camif-capture.c

734

sc_vrmax = min(SCALER_MAX_RATIO, 1 << (ffs(crop->height) - 1));

drivers/media/platform/samsung/s3c-camif/camif-capture.c

742

ffs(pix_lim->out_width_align) - 1,

drivers/media/platform/st/sti/bdisp/bdisp-v4l2.c

772

ffs(format->w_align) - 1,

drivers/media/platform/st/sti/bdisp/bdisp-v4l2.c

775

ffs(format->h_align) - 1,

drivers/media/rc/ttusbir.c

135

b = ffs(v) - 1;

drivers/media/usb/uvc/uvc_ctrl.c

1573

v4l2_ctrl->minimum = ffs(mapping->menu_mask) - 1;

drivers/media/usb/uvc/uvc_ctrl.c

2552

if (value < (ffs(mapping->menu_mask) - 1) ||

drivers/memory/brcmstb_dpfe.c

458

return -ffs(DCPU_RET_ERR_TIMEDOUT);

drivers/memory/brcmstb_dpfe.c

487

ret = -ffs(resp);

drivers/memory/brcmstb_dpfe.c

510

ret = -ffs(resp);

drivers/memory/of_memory.c

349

info.density = ffs(info.density) - 7;

drivers/memory/stm32_omm.c

114

read_amcr = read_amcr >> (ffs(syscon_args[1]) - 1);

drivers/misc/lis3lv02d/lis3lv02d.c

218

shift = ffs(lis3->odr_mask) - 1;

drivers/misc/lis3lv02d/lis3lv02d.c

253

shift = ffs(lis3->odr_mask) - 1;

drivers/mmc/core/core.c

1141

bit = ffs(ocr) - 1;

drivers/mmc/core/core.c

1476

card->erase_shift = ffs(card->erase_size) - 1;

drivers/mmc/core/core.c

1497

card->erase_shift = ffs(card->ssr.au) - 1;

drivers/mmc/host/dw_mmc-k3.c

337

i = ffs(sample_flag) - 1;

drivers/mmc/host/dw_mmc-k3.c

346

len = ffs(~v) - 1;

drivers/mmc/host/dw_mmc-k3.c

353

interval = ffs(v >> len) - 1;

drivers/mmc/host/mmci.h

472

return (ffs(host->data->blksz) - 1) << 4;

drivers/mmc/host/mmci_stm32_sdmmc.c

419

thr = ffs(min_t(unsigned int, host->data->blksz,

drivers/mmc/host/moxart-mmc.c

373

blksz_bits = ffs(data->blksz) - 1;

drivers/mmc/host/mtk-sd.c

734

tv |= ((val) << (ffs((unsigned int)field) - 1));

drivers/mmc/host/mtk-sd.c

742

*val = ((tv & field) >> (ffs((unsigned int)field) - 1));

drivers/mmc/host/renesas_sdhi_core.c

228

host->mmc->actual_clock /= (1 << (ffs(clock) + 1));

drivers/mmc/host/sh_mmcif.c

1052

host->mmc->f_max = f_max >> ffs(host->clkdiv_map);

drivers/mmc/host/sunplus-mmc.c

615

f = ffs(candidate_dly) - 1;

drivers/mtd/devices/pmc551.c

660

msize = (1 << (ffs(msize) - 1)) << 20;

drivers/mtd/devices/pmc551.c

669

asize = (1 << (ffs(asize) - 1)) << 20;

drivers/mtd/devices/pmc551.c

753

ffs(priv->asize >> 20) - 1);

drivers/mtd/devices/pmc551.c

758

| (ffs(priv->asize >> 20) - 1) << 4);

drivers/mtd/mtd_blkdevs.c

493

tr->blkshift = ffs(tr->blksize) - 1;

drivers/mtd/mtdcore.c

765

mtd->erasesize_shift = ffs(mtd->erasesize) - 1;

drivers/mtd/mtdcore.c

770

mtd->writesize_shift = ffs(mtd->writesize) - 1;

drivers/mtd/nand/onenand/onenand_base.c

3761

this->erase_shift = ffs(mtd->erasesize) - 1;

drivers/mtd/nand/onenand/onenand_base.c

3762

this->page_shift = ffs(mtd->writesize) - 1;

drivers/mtd/nand/raw/bcm47xxnflash/ops_bcm4706.c

432

tbits = ffs(chipsize); /* find first bit set */

drivers/mtd/nand/raw/brcmnand/brcmnand.c

2780

block_size = ffs(cfg->block_size) - ffs(BRCMNAND_MIN_BLOCKSIZE);

drivers/mtd/nand/raw/brcmnand/brcmnand.c

2804

page_size = ffs(cfg->page_size) - ffs(BRCMNAND_MIN_PAGESIZE);

drivers/mtd/nand/raw/loongson-nand-controller.c

557

op.buf[0] = val << ffs(host->data->status_field);

drivers/mtd/nand/raw/mxc_nand.c

1121

config1 |= NFC_V2_CONFIG1_PPB(ffs(pages_per_block) - 6);

drivers/mtd/nand/raw/mxc_nand.c

1194

ffs(mtd->erasesize / mtd->writesize) - 6,

drivers/mtd/nand/raw/nand_base.c

5273

chip->page_shift = ffs(mtd->writesize) - 1;

drivers/mtd/nand/raw/nand_base.c

5279

ffs(mtd->erasesize) - 1;

drivers/mtd/nand/raw/nand_base.c

5281

chip->chip_shift = ffs((unsigned)targetsize) - 1;

drivers/mtd/nand/raw/nand_base.c

5283

chip->chip_shift = ffs((unsigned)(targetsize >> 32));

drivers/mtd/nand/raw/nandsim.c

2360

chip->chip_shift = ffs(nsmtd->erasesize) + overridesize - 1;

drivers/mtd/nand/raw/nandsim.c

661

ns->geom.secshift = ffs(ns->geom.secsz) - 1;

drivers/mtd/nand/raw/nandsim.c

753

printk("bits in OOB size: %u\n", ffs(ns->geom.oobsz) - 1);

drivers/mtd/spi-nor/core.c

2486

erase->size_shift = ffs(erase->size) - 1;

drivers/mux/mmio.c

132

field.lsb = ffs(mask) - 1;

drivers/net/can/c_can/c_can_main.c

733

while ((idx = ffs(pend))) {

drivers/net/can/c_can/c_can_main.c

822

while ((obj = ffs(pend)) && quota > 0) {

drivers/net/can/mscan/mscan.c

194

buf_id = ffs(i) - 1;

drivers/net/ethernet/amazon/ena/ena_com.c

2658

rss->hash_func = ffs(get_resp.u.flow_hash_func.selected_func);

drivers/net/ethernet/chelsio/cxgb3/sge.c

3311

unsigned int ctrl, ups = ffs(pci_resource_len(adap->pdev, 2) >> 12);

drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c

1041

app->priority = ffs(prio) - 1;

drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c

1174

ffs(pcmd.u.dcb.app_priority.user_prio_map) - 1;

drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c

376

app.priority = ffs(fwap->user_prio_map) - 1;

drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c

6325

port = ffs(pmask) - 1;

drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c

3044

port_id = ffs(pmask) - 1;

drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c

374

adapter->fcoe.up = ffs(up) - 1;

drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c

679

ffs(app_mask) - 1 : IXGBE_FCOE_DEFTC;

drivers/net/ethernet/intel/ixgbe/ixgbe_main.c

8071

adapter->default_up = (up > 1) ? (ffs(up) - 1) : 0;

drivers/net/ethernet/mediatek/mtk_ppe.c

178

hash <<= (ffs(eth->soc->hash_offset) - 1);

drivers/net/ethernet/mellanox/mlx4/en_rx.c

258

ring->log_stride = ffs(ring->stride) - 1;

drivers/net/ethernet/mellanox/mlx4/en_rx.c

349

ring->log_stride = ffs(ring->stride) - 1;

drivers/net/ethernet/mellanox/mlx4/fw.c

1543

lg = ffs(mlx4_icm_addr(&iter) | mlx4_icm_size(&iter)) - 1;

drivers/net/ethernet/microchip/sparx5/sparx5_main_regs.h

71

#define spx5_field_get(_mask, _reg) (((_reg) & (_mask)) >> (ffs(_mask) - 1))

drivers/net/ethernet/microchip/sparx5/sparx5_main_regs.h

72

#define spx5_field_prep(_mask, _val) (((_val) << (ffs(_mask) - 1)) & (_mask))

drivers/net/ethernet/qlogic/qed/qed_dcbx.c

2295

app->priority = ffs(prio) - 1;

drivers/net/ethernet/qlogic/qed/qed_dcbx.c

272

priority = ffs(priority_map) - 1;

drivers/net/ethernet/qlogic/qed/qed_dcbx.c

506

entry->prio = ffs(pri_map) - 1;

drivers/net/ethernet/realtek/r8169_main.c

5634

region = ffs(pci_select_bars(pdev, IORESOURCE_MEM)) - 1;

drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c

153

reg_val |= mask & (val << (ffs(mask) - 1));

drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c

275

val <<= ffs(dwmac->mode_mask) - ffs(SYSCFG_MP1_ETH_MASK);

drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c

444

addr = ffs(priv->plat->mdio_bus_data->pcs_mask) - 1;

drivers/net/ethernet/sunplus/spl2sw_int.c

162

i = ffs(FIELD_GET(TXD_VLAN, cmd)) - 1;

drivers/net/phy/mscc/mscc_main.c

550

u16 rgmii_rx_delay_pos = ffs(rgmii_rx_delay_mask) - 1;

drivers/net/phy/mscc/mscc_main.c

551

u16 rgmii_tx_delay_pos = ffs(rgmii_tx_delay_mask) - 1;

drivers/net/phy/nxp-c45-tja11xx-macsec.c

1702

secy_id = MACSEC_REG_SIZE - ffs(reg);

drivers/net/wireless/ath/ath10k/mac.c

6091

basic_rate_idx = ffs(vif->bss_conf.basic_rates) - 1;

drivers/net/wireless/ath/ath10k/mac.c

6308

rateidx = ffs(vif->bss_conf.basic_rates) - 1;

drivers/net/wireless/ath/ath10k/mac.c

6961

rate_idx = ffs(mask->control[band].legacy) - 1;

drivers/net/wireless/ath/ath10k/mac.c

6987

(ffs(mask->control[band].ht_mcs[i]) - 1);

drivers/net/wireless/ath/ath10k/mac.c

6999

(ffs(mask->control[band].vht_mcs[i]) - 1);

drivers/net/wireless/ath/ath11k/hal_rx.c

906

ffs(FIELD_GET(HAL_RX_PPDU_END_USER_STATS_INFO7_TID_BITMAP,

drivers/net/wireless/ath/ath11k/mac.c

3269

basic_rate_idx = ffs(vif->bss_conf.basic_rates) - 1;

drivers/net/wireless/ath/ath11k/mac.c

3727

rateidx = ffs(vif->bss_conf.basic_rates) - 1;

drivers/net/wireless/ath/ath11k/mac.c

4731

vht_rate = ffs(mask->control[band].vht_mcs[i]) - 1;

drivers/net/wireless/ath/ath11k/mac.c

4781

he_rate = ffs(mask->control[band].he_mcs[i]) - 1;

drivers/net/wireless/ath/ath11k/mac.c

4830

ht_rate = ffs(mask->control[band].ht_mcs[i]) - 1;

drivers/net/wireless/ath/ath11k/mac.c

8778

rate_idx = ffs(mask->control[band].legacy) - 1;

drivers/net/wireless/ath/ath12k/mac.c

12596

rate_idx = ffs(mask->control[band].legacy) - 1;

drivers/net/wireless/ath/ath12k/mac.c

6291

vht_rate = ffs(mask->control[band].vht_mcs[i]) - 1;

drivers/net/wireless/ath/ath12k/mac.c

6340

he_rate = ffs(mask->control[band].he_mcs[i]) - 1;

drivers/net/wireless/ath/ath12k/mac.c

6394

eht_rate = ffs(mask->control[band].eht_mcs[i]) - 1;

drivers/net/wireless/ath/ath12k/mac.c

7590

link_id = ffs(useful_links) - 1;

drivers/net/wireless/ath/ath12k/mac.c

7622

link_id = ffs(sta->valid_links) - 1;

drivers/net/wireless/ath/ath12k/wifi7/dp_mon.c

1588

ppdu_info->tid = ffs(tid_bitmap) - 1;

drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_lcn.c

5096

msb1 = ffs(power) - 1;

drivers/net/wireless/intel/iwlwifi/fw/dbg.c

1530

fifo_idx = ffs(fid1) - 1;

drivers/net/wireless/intel/iwlwifi/fw/dbg.c

1540

fifo_idx = ffs(fid2) - 1;

drivers/net/wireless/intel/iwlwifi/fw/dbg.c

1778

return (val & mask) >> (ffs(mask) - 1);

drivers/net/wireless/intel/iwlwifi/mld/agg.c

169

sta_id = ffs(ba_data->sta_mask) - 1;

drivers/net/wireless/intel/iwlwifi/mld/agg.c

350

sta_id = ffs(ba_data->sta_mask) - 1;

drivers/net/wireless/intel/iwlwifi/mld/agg.c

67

sta_id = ffs(ba_data->sta_mask) - 1;

drivers/net/wireless/intel/iwlwifi/mld/ap.c

53

u32 rate = ffs(legacy) - 1;

drivers/net/wireless/intel/iwlwifi/mld/tests/utils.c

379

u8 other_link_id = ffs(valid_links & ~BIT(assoc_link->id)) - 1;

drivers/net/wireless/intel/iwlwifi/mld/tx.c

595

link_id = ffs(info->control.vif->active_links) - 1;

drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c

950

u32 rate = ffs(legacy) - 1;

drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c

665

sta_id = ffs(ba_data->sta_mask) - 1;

drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c

712

sta_id = ffs(ba_data->sta_mask) - 1;

drivers/net/wireless/intel/iwlwifi/mvm/sta.c

281

sta_id = ffs(ba_data->sta_mask) - 1; /* don't care which one */

drivers/net/wireless/intel/iwlwifi/mvm/utils.c

208

return BIT(ffs(mask) - 1);

drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/tx-gen2.c

1071

cmd.old.sta_id = ffs(sta_mask) - 1;

drivers/net/wireless/marvell/mwl8k.c

3771

if (mwl8k_vif->macid + 1 == ffs(priv->sta_macids_supported))

drivers/net/wireless/marvell/mwl8k.c

3779

if (mwl8k_vif->macid + 1 == ffs(priv->ap_macids_supported))

drivers/net/wireless/marvell/mwl8k.c

4928

macid = ffs(macids_supported & ~priv->macids_used);

drivers/net/wireless/marvell/mwl8k.c

5131

idx = ffs(vif->bss_conf.basic_rates);

drivers/net/wireless/marvell/mwl8k.c

5206

idx = ffs(vif->bss_conf.basic_rates);

drivers/net/wireless/mediatek/mt76/mt7615/mac.c

491

int first_chain = ffs(phy2->mt76->chainmask) - 1;

drivers/net/wireless/mediatek/mt76/mt7615/main.c

1001

tx_ant = BIT(ffs(tx_ant) - 1) - 1;

drivers/net/wireless/mediatek/mt76/mt7615/main.c

130

return ffs(~mask & GENMASK(end, start));

drivers/net/wireless/mediatek/mt76/mt7615/main.c

997

if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)

drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c

286

rateidx = ffs(mask->control[band]._mcs[i]) - 1; \

drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c

313

rateidx = ffs(conf->basic_rates) - 1;

drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c

327

rateidx = ffs(mask->control[band].legacy) - 1;

drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c

336

rateidx = ffs(conf->basic_rates) - 1;

drivers/net/wireless/mediatek/mt76/mt7915/mac.c

2319

flowid = ffs(~msta->twt.flowid_mask) - 1;

drivers/net/wireless/mediatek/mt76/mt7915/mac.c

2324

table_id = ffs(~dev->twt.table_mask) - 1;

drivers/net/wireless/mediatek/mt76/mt7915/main.c

1128

if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)

drivers/net/wireless/mediatek/mt76/mt7915/main.c

139

return ffs(~mask & GENMASK(end, start));

drivers/net/wireless/mediatek/mt76/mt7915/mcu.c

1473

phy.mcs = ffs(mask->control[band]._mcs[i]) - 1; \

drivers/net/wireless/mediatek/mt76/mt7915/mcu.c

1487

phy.mcs = ffs(mask->control[band].legacy) - 1;

drivers/net/wireless/mediatek/mt76/mt7921/main.c

1101

if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)

drivers/net/wireless/mediatek/mt76/mt7925/main.c

1449

if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)

drivers/net/wireless/mediatek/mt76/mt7925/main.c

1453

tx_ant = BIT(ffs(tx_ant) - 1) - 1;

drivers/net/wireless/mediatek/mt76/mt7996/init.c

781

ffs(MT7996_RRO_WINDOW_MAX_LEN) - 6;

drivers/net/wireless/mediatek/mt76/mt7996/mac.c

3242

flowid = ffs(~msta_link->twt.flowid_mask) - 1;

drivers/net/wireless/mediatek/mt76/mt7996/mac.c

3247

table_id = ffs(~dev->twt.table_mask) - 1;

drivers/net/wireless/mediatek/mt76/mt7996/mcu.c

2075

phy.mcs = ffs(mask.control[band]._mcs[i]) - 1; \

drivers/net/wireless/mediatek/mt76/mt7996/mcu.c

2109

phy.mcs = ffs(mask.control[band].legacy) - 1;

drivers/net/wireless/mediatek/mt76/mt7996/mmio.c

496

wed->wlan.txfree_tbit = ffs(MT_INT_RX_TXFREE_EXT) - 1;

drivers/net/wireless/mediatek/mt76/mt7996/mmio.c

501

wed->wlan.txfree_tbit = ffs(MT_INT_RX_TXFREE_BAND1_EXT) - 1;

drivers/net/wireless/mediatek/mt76/mt7996/mmio.c

510

wed->wlan.txfree_tbit = ffs(MT_INT_RX_DONE_WA_TRI) - 1;

drivers/net/wireless/mediatek/mt76/mt7996/mmio.c

519

wed->wlan.tx_tbit[0] = ffs(MT_INT_TX_DONE_BAND2) - 1;

drivers/net/wireless/mediatek/mt76/mt7996/mmio.c

557

wed->wlan.rx_tbit[0] = ffs(MT_INT_RX_DONE_BAND0) - 1;

drivers/net/wireless/mediatek/mt76/mt7996/mmio.c

558

wed->wlan.rro_rx_tbit[0] = ffs(MT_INT_RX_DONE_RRO_BAND0) - 1;

drivers/net/wireless/mediatek/mt76/mt7996/mmio.c

560

wed->wlan.rx_tbit[1] = ffs(MT_INT_RX_DONE_BAND2) - 1;

drivers/net/wireless/mediatek/mt76/mt7996/mmio.c

561

wed->wlan.rro_rx_tbit[1] = ffs(MT_INT_RX_DONE_RRO_BAND2) - 1;

drivers/net/wireless/mediatek/mt76/mt7996/mmio.c

563

wed->wlan.rx_tbit[1] = ffs(MT_INT_RX_DONE_BAND1) - 1;

drivers/net/wireless/mediatek/mt76/mt7996/mmio.c

564

wed->wlan.rro_rx_tbit[1] = ffs(MT_INT_RX_DONE_RRO_BAND1) - 1;

drivers/net/wireless/mediatek/mt76/mt7996/mmio.c

567

wed->wlan.rx_pg_tbit[0] = ffs(MT_INT_RX_DONE_MSDU_PG_BAND0) - 1;

drivers/net/wireless/mediatek/mt76/mt7996/mmio.c

568

wed->wlan.rx_pg_tbit[1] = ffs(MT_INT_RX_DONE_MSDU_PG_BAND1) - 1;

drivers/net/wireless/mediatek/mt76/mt7996/mmio.c

569

wed->wlan.rx_pg_tbit[2] = ffs(MT_INT_RX_DONE_MSDU_PG_BAND2) - 1;

drivers/net/wireless/mediatek/mt76/mt7996/mmio.c

571

wed->wlan.tx_tbit[0] = ffs(MT_INT_TX_DONE_BAND0) - 1;

drivers/net/wireless/mediatek/mt76/mt7996/mmio.c

572

wed->wlan.tx_tbit[1] = ffs(MT_INT_TX_DONE_BAND1) - 1;

drivers/net/wireless/mediatek/mt76/mt7996/mmio.c

578

wed->wlan.txfree_tbit = ffs(MT_INT_RX_TXFREE_MAIN) - 1;

drivers/net/wireless/mediatek/mt76/mt7996/mmio.c

583

wed->wlan.txfree_tbit = ffs(MT_INT_RX_DONE_WA_MAIN) - 1;

drivers/net/wireless/mediatek/mt76/mt7996/mmio.c

586

wed->wlan.txfree_tbit = ffs(MT_INT_RX_DONE_WA_MAIN) - 1;

drivers/net/wireless/mediatek/mt76/util.c

50

idx = ffs(~mask[i]);

drivers/net/wireless/mediatek/mt7601u/main.c

192

idx = ffs(~dev->wcid_mask[i]);

drivers/net/wireless/realtek/rtl818x/rtl8180/dev.c

780

resp_min = ffs(resp_mask) - 1;

drivers/net/wireless/realtek/rtw88/coex.c

3671

int ffs, fls;

drivers/net/wireless/realtek/rtw88/coex.c

3696

ffs = __ffs(reg->mask);

drivers/net/wireless/realtek/rtw88/coex.c

3699

if (ffs == 0 && fls == max_fls)

drivers/net/wireless/realtek/rtw88/coex.c

3702

else if (ffs == fls)

drivers/net/wireless/realtek/rtw88/coex.c

3704

sep, rf_prefix, reg->addr, ffs);

drivers/net/wireless/realtek/rtw88/coex.c

3707

sep, rf_prefix, reg->addr, fls, ffs);

drivers/net/wireless/rsi/rsi_91x_mac80211.c

1249

int rate_index = ffs(bm) - 1;

drivers/net/wireless/silabs/wfx/key.c

19

idx = ffs(~wdev->key_map) - 1;

drivers/net/wireless/st/cw1200/txrx.c

1229

idx = ffs(~priv->key_map) - 1;

drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.c

900

qno = ffs(que_mask) - 1;

drivers/net/wwan/t7xx/t7xx_pcie_mac.c

259

u32 val = ffs(irq_count) * 2 - 1;

drivers/ntb/hw/epf/ntb_hw_epf.c

476

u32 interrupt_num = ffs(db_bits) + 1;

drivers/ntb/ntb_transport.c

2040

free_queue = ffs(nt->qp_bitmap_free);

drivers/of/device.c

301

addr, ffs(mask) - 1, node, dev_name(dev));

drivers/pci/controller/dwc/pci-imx6.c

301

val = mode << (ffs(mask) - 1);

drivers/pci/controller/pcie-mediatek-gen3.c

332

addr_align = BIT(ffs(cpu_addr) - 1);

drivers/pci/controller/pcie-rockchip-host.c

522

hwirq = ffs(reg) - 1;

drivers/pci/endpoint/functions/pci-epf-vntb.c

1370

u32 interrupt_num = ffs(db_bits) + 1;

drivers/pci/pci.c

5749

v = ffs(mmrbc) - 10;

drivers/pci/pci.c

5824

firstbit = ffs(rq);

drivers/pci/pci.c

5877

v = ffs(mps) - 8;

drivers/pinctrl/mvebu/pinctrl-armada-37xx.c

688

u32 hwirq = ffs(status) - 1;

drivers/pinctrl/pinctrl-gemini.c

2395

val >>= (ffs(conf->mask) - 1);

drivers/pinctrl/pinctrl-gemini.c

2429

arg <<= (ffs(conf->mask) - 1);

drivers/pinctrl/pinctrl-gemini.c

2494

val <<= (ffs(grp->driving_mask) - 1);

drivers/pinctrl/pinctrl-rk805.c

464

mux <<= ffs(pci->pin_cfg[offset].fun_msk) - 1;

drivers/pinctrl/pinctrl-single.c

586

shift = ffs(func->conf[i].mask) - 1;

drivers/pinctrl/pinctrl-single.c

887

shift = ffs(value[1]) - 1;

drivers/pinctrl/qcom/pinctrl-spmi-gpio.c

961

pad->dtest_buffer = ffs(val);

drivers/platform/chrome/cros_ec_typec.c

664

port->state.mode = TYPEC_MODAL_STATE(ffs(pd_ctrl->dp_mode));

drivers/platform/cznic/turris-omnia-mcu-gpio.c

1116

irq_idx = omnia_int_to_gpio_idx[ffs(spec) - 1];

drivers/platform/x86/dell/dell-laptop.c

1320

state->mode_bit = ffs(buffer.output[1] & 0xFFFF);

drivers/platform/x86/dell/dell-laptop.c

1473

ffs(kbd_info.modes & ~BIT(KBD_MODE_BIT_OFF));

drivers/platform/x86/dell/dell-laptop.c

2017

return ffs(num) - 1;

drivers/platform/x86/dell/dell-laptop.c

2050

ret = kbd_set_token_bit(ffs(num) - 1);

drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c

1632

cdie_range = fls(cdie_mask) - ffs(cdie_mask) + 1;

drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c

442

return id - ffs(sst_inst->cdie_mask[i]) + 1;

drivers/platform/x86/intel/speed_select_if/isst_tpmi_core.c

518

cdie_range = fls(sst_inst->cdie_mask[i]) - ffs(sst_inst->cdie_mask[i]) + 1;

drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c

405

cdie_range = fls(plat_info->cdie_mask) - ffs(plat_info->cdie_mask) + 1;

drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c

534

cluster_info->cdie_id = domain_id + ffs(plat_info->cdie_mask) - 1;

drivers/platform/x86/lenovo/think-lmi.c

1774

ffs(tlmi_priv.pwdcfg.ext.hdd_master_password) - 1;

drivers/platform/x86/lenovo/think-lmi.c

1777

ffs(tlmi_priv.pwdcfg.ext.hdd_user_password) - 1;

drivers/platform/x86/lenovo/think-lmi.c

1784

ffs(tlmi_priv.pwdcfg.ext.nvme_master_password) - 1;

drivers/platform/x86/lenovo/think-lmi.c

1787

ffs(tlmi_priv.pwdcfg.ext.nvme_user_password) - 1;

drivers/pwm/pwm-sti.c

430

devicenum = ffs(cpt_int_stat) - 1;

drivers/regulator/ab8500.c

545

voltage_shift = ffs(info->voltage_mask) - 1;

drivers/regulator/ab8500.c

577

voltage_shift = ffs(info->voltage_mask) - 1;

drivers/regulator/as3722-regulator.c

554

val = ext_pwr_ctrl << (ffs(as3722_reg_lookup[id].sleep_ctrl_mask) - 1);

drivers/regulator/axp20x-regulator.c

1430

workmode <<= ffs(mask) - 1;

drivers/regulator/bd9571mwv-regulator.c

91

val >>= ffs(rdev->desc->vsel_mask) - 1;

drivers/regulator/da9062-regulator.c

258

sel <<= ffs(rdev->desc->vsel_mask) - 1;

drivers/regulator/da9063-regulator.c

372

sel <<= ffs(rdev->desc->vsel_mask) - 1;

drivers/regulator/helpers.c

112

rval >>= ffs(rdev->desc->vsel_range_mask) - 1;

drivers/regulator/helpers.c

152

val >>= ffs(rdev->desc->vsel_mask) - 1;

drivers/regulator/helpers.c

222

sel <<= ffs(rdev->desc->vsel_mask) - 1;

drivers/regulator/helpers.c

226

range <<= ffs(rdev->desc->vsel_range_mask) - 1;

drivers/regulator/helpers.c

265

val >>= ffs(rdev->desc->vsel_mask) - 1;

drivers/regulator/helpers.c

285

sel <<= ffs(rdev->desc->vsel_mask) - 1;

drivers/regulator/helpers.c

853

sel <<= ffs(rdev->desc->csel_mask) - 1;

drivers/regulator/helpers.c

879

val >>= ffs(rdev->desc->csel_mask) - 1;

drivers/regulator/helpers.c

998

sel <<= ffs(rdev->desc->ramp_mask) - 1;

drivers/regulator/max8998.c

413

sel <<= ffs(rdev->desc->csel_mask) - 1;

drivers/regulator/max8998.c

431

val >>= ffs(rdev->desc->csel_mask) - 1;

drivers/regulator/mp886x.c

103

sel <<= ffs(rdev->desc->vsel_mask) - 1;

drivers/regulator/mp886x.c

134

val >>= ffs(rdev->desc->vsel_mask) - 1;

drivers/regulator/mp886x.c

207

val >>= ffs(rdev->desc->vsel_mask) - 1;

drivers/regulator/mt6323-regulator.c

194

val <<= ffs(info->modeset_mask) - 1;

drivers/regulator/mt6323-regulator.c

220

val >>= ffs(info->modeset_mask) - 1;

drivers/regulator/mt6331-regulator.c

237

val <<= ffs(info->modeset_mask) - 1;

drivers/regulator/mt6331-regulator.c

254

val >>= ffs(info->modeset_mask) - 1;

drivers/regulator/mt6332-regulator.c

221

val <<= ffs(info->modeset_mask) - 1;

drivers/regulator/mt6332-regulator.c

238

val >>= ffs(info->modeset_mask) - 1;

drivers/regulator/mt6357-regulator.c

142

regval >>= ffs(info->da_vsel_mask) - 1;

drivers/regulator/mt6358-regulator.c

384

ret = (regval & info->da_vsel_mask) >> (ffs(info->da_vsel_mask) - 1);

drivers/regulator/mt6358-regulator.c

424

val <<= ffs(info->modeset_mask) - 1;

drivers/regulator/mt6358-regulator.c

442

switch ((regval & info->modeset_mask) >> (ffs(info->modeset_mask) - 1)) {

drivers/regulator/mt6359-regulator.c

281

regval >>= ffs(info->modeset_mask) - 1;

drivers/regulator/mt6359-regulator.c

310

val <<= ffs(info->modeset_mask) - 1;

drivers/regulator/mt6359-regulator.c

319

val <<= ffs(info->modeset_mask) - 1;

drivers/regulator/mt6359-regulator.c

326

val <<= ffs(info->lp_mode_mask) - 1;

drivers/regulator/mt6359-regulator.c

336

val <<= ffs(info->lp_mode_mask) - 1;

drivers/regulator/mt6359-regulator.c

361

sel <<= ffs(info->desc.vsel_mask) - 1;

drivers/regulator/mt6359-regulator.c

421

val >>= ffs(info->desc.vsel_mask) - 1;

drivers/regulator/mt6360-regulator.c

225

int shift = ffs(rdesc->mode_mask) - 1;

drivers/regulator/mt6360-regulator.c

256

int shift = ffs(rdesc->mode_mask) - 1;

drivers/regulator/mt6363-regulator.c

525

sel <<= ffs(rdesc->vsel_mask) - 1;

drivers/regulator/mt6363-regulator.c

529

range <<= ffs(rdesc->vsel_range_mask) - 1;

drivers/regulator/mt6380-regulator.c

200

val <<= ffs(info->modeset_mask) - 1;

drivers/regulator/mt6380-regulator.c

218

val >>= ffs(info->modeset_mask) - 1;

drivers/regulator/mt6397-regulator.c

179

val <<= ffs(info->modeset_mask) - 1;

drivers/regulator/mt6397-regulator.c

206

regval >>= ffs(info->modeset_mask) - 1;

drivers/regulator/pca9450-regulator.c

136

val >>= ffs(rdev->desc->vsel_mask) - 1;

drivers/regulator/pca9450-regulator.c

145

sel <<= ffs(rdev->desc->vsel_mask) - 1;

drivers/regulator/pca9450-regulator.c

245

i <<= ffs(desc->vsel_mask) - 1;

drivers/regulator/pf9453-regulator.c

362

sel <<= ffs(rdev->desc->vsel_mask) - 1;

drivers/regulator/pf9453-regulator.c

435

sel <<= ffs(rdev->desc->ramp_mask) - 1;

drivers/regulator/pf9453-regulator.c

529

i <<= ffs(desc->vsel_mask) - 1;

drivers/regulator/rk808-regulator.c

359

regval = ramp_value << (ffs(rdev->desc->ramp_mask) - 1);

drivers/regulator/rk808-regulator.c

429

val >>= ffs(rdev->desc->vsel_mask) - 1;

drivers/regulator/rk808-regulator.c

446

old_sel >>= ffs(mask) - 1;

drivers/regulator/rk808-regulator.c

456

val = old_sel << (ffs(mask) - 1);

drivers/regulator/rk808-regulator.c

469

sel <<= ffs(mask) - 1;

drivers/regulator/rk808-regulator.c

509

sel <<= ffs(rdev->desc->vsel_mask) - 1;

drivers/regulator/rohm-regulator.c

48

i <<= ffs(desc->vsel_mask) - 1;

drivers/regulator/rt4803.c

119

vsel <<= ffs(RT4803_VSEL_MASK) - 1;

drivers/regulator/rt4803.c

54

modeval <<= ffs(RT4803_MODE_MASK) - 1;

drivers/regulator/rt4803.c

69

modeval >>= ffs(RT4803_MODE_MASK) - 1;

drivers/regulator/rt5190a-regulator.c

178

fields >>= ffs(event_tbl[i].bitmask) - 1;

drivers/regulator/rtmv20-regulator.c

124

sel <<= ffs(rdev->desc->csel_mask) - 1;

drivers/regulator/rtmv20-regulator.c

140

val >>= ffs(rdev->desc->csel_mask) - 1;

drivers/regulator/rtmv20-regulator.c

242

int shift = ffs(props[i].mask) - 1;

drivers/regulator/rtq2134-regulator.c

121

sel <<= ffs(desc->suspend_vsel_mask) - 1;

drivers/regulator/rtq2134-regulator.c

160

val <<= ffs(desc->suspend_mode_mask) - 1;

drivers/regulator/rtq2134-regulator.c

90

val <<= ffs(desc->mode_mask) - 1;

drivers/regulator/rtq2208-regulator.c

124

shift = ffs(rdesc->mode_mask) - 1;

drivers/regulator/rtq2208-regulator.c

210

shift = ffs(rdesc->suspend_mode_mask) - 1;

drivers/regulator/s2mps11.c

526

s2mpg10_desc->pctrlsel_val <<= (ffs(s2mpg10_desc->pctrlsel_mask) - 1);

drivers/regulator/s2mps11.c

529

s2mpg10_desc->desc.enable_val <<= (ffs(desc->enable_mask) - 1);

drivers/regulator/s2mps11.c

620

ramp_sel >>= ffs(ramp_mask) - 1;

drivers/rtc/rtc-max77686.c

302

tm->tm_wday = ffs(data[RTC_WEEKDAY] & mask) - 1;

drivers/rtc/rtc-rx6110.c

143

tm->tm_wday = ffs(data[RTC_WDAY] & 0x7f);

drivers/rtc/rtc-rx8010.c

132

dt->tm_wday = ffs(date[RX8010_WDAY - RX8010_SEC] & 0x7f);

drivers/rtc/rtc-rx8111.c

211

tm->tm_wday = ffs(buf[3]) - 1;

drivers/rtc/rtc-s5m.c

200

tm->tm_wday = ffs(data[RTC_WEEKDAY] & 0x7f);

drivers/s390/block/dasd_eckd.c

6421

pos = 8 - ffs(cuir->ned_map);

drivers/s390/block/dasd_eckd.c

6433

pos = 8 - ffs(cuir->ned_map);

drivers/s390/block/dasd_eckd.c

6443

pos = ffs(bitmask) - 1;

drivers/s390/block/dasd_eckd.c

6465

pos = 8 - ffs(paths);

drivers/scsi/NCR5380.c

2136

int target = ffs(target_mask) - 1;

drivers/scsi/aic7xxx/aic79xx_core.c

10558

our_id = ffs(targid_mask);

drivers/scsi/aic7xxx/aic7xxx_core.c

7719

our_id = ffs(targid_mask);

drivers/scsi/aic7xxx/aicasm/aicasm_gram.y

480

enum_increment = 0x01 << (ffs($3.value) - 1);

drivers/scsi/aic7xxx/aicasm/aicasm_gram.y

502

enum_increment = 0x01 << (ffs($3.value) - 1);

drivers/scsi/aic94xx/aic94xx_scb.c

316

sas_phy->sas_prim = ffs(cont);

drivers/scsi/arm/fas216.c

973

target = ffs(target) - 1;

drivers/scsi/cxgbi/cxgb4i/cxgb4i.c

1732

return (ffs(pri_mask) - 1);

drivers/scsi/cxgbi/cxgb4i/cxgb4i.c

2404

priority = ffs(iscsi_app->app.priority) - 1;

drivers/scsi/esp_scsi.c

1167

target = ffs(bits) - 1;

drivers/scsi/fcoe/fcoe.c

1786

prio = ffs(entry->app.priority) - 1;

drivers/scsi/fcoe/fcoe.c

2137

fcoe_prio = ffs(up) ? ffs(up) - 1 : 0;

drivers/scsi/fcoe/fcoe.c

2138

ctlr_prio = ffs(fup) ? ffs(fup) - 1 : fcoe_prio;

drivers/scsi/hisi_sas/hisi_sas_v1_hw.c

1072

error = ffs(dma_tx_err_type)

drivers/scsi/hisi_sas/hisi_sas_v1_hw.c

1076

error = ffs(dma_rx_err_type)

drivers/scsi/hisi_sas/hisi_sas_v1_hw.c

1080

error = ffs(trans_tx_fail_type)

drivers/scsi/hisi_sas/hisi_sas_v1_hw.c

1084

error = ffs(trans_rx_fail_type)

drivers/scsi/hisi_sas/hisi_sas_v2_hw.c

3140

int ncq_tag_count = ffs(act_tmp);

drivers/scsi/hisi_sas/hisi_sas_v2_hw.c

3164

ncq_tag_count = ffs(act_tmp);

drivers/scsi/mpi3mr/mpi3mr_transport.c

1409

mr_sas_port->lowest_phy = ffs(mr_sas_port->phy_mask) - 1;

drivers/scsi/mpi3mr/mpi3mr_transport.c

616

mr_sas_port->lowest_phy = ffs(mr_sas_port->phy_mask) - 1;

drivers/scsi/mpi3mr/mpi3mr_transport.c

647

mr_sas_port->lowest_phy = ffs(mr_sas_port->phy_mask) - 1;

drivers/scsi/sim710.c

184

scsi_id = ffs(val) - 1;

drivers/soc/fsl/qe/qe_ports_ic.c

76

return irq_find_mapping(data->host, 32 - ffs(event));

drivers/soc/mediatek/mtk-dvfsrc.c

295

return ffs(current_level) - 1;

drivers/soc/mediatek/mtk-dvfsrc.c

306

u32 level = ffs(val);

drivers/spi/spi-atcspi200.c

200

width_code = ffs(op->data.buswidth) - 1;

drivers/spi/spi-atmel.c

1244

as->native_cs_for_gpio = ffs(as->native_cs_free);

drivers/spi/spi-stm32-ospi.c

470

u8 cs = spi->chip_select[ffs(spi->cs_index_mask) - 1];

drivers/spi/spi-stm32-ospi.c

669

struct gpio_desc *cs_gpiod = spi->cs_gpiod[ffs(spi->cs_index_mask) - 1];

drivers/spi/spi-stm32-ospi.c

752

u8 cs = spi->chip_select[ffs(spi->cs_index_mask) - 1];

drivers/spi/spi.c

3329

ctlr->unused_native_cs = ffs(~native_cs_mask) - 1;

drivers/spmi/spmi-pmic-arb.c

683

id = ffs(status) - 1;

drivers/spmi/spmi-pmic-arb.c

726

id = ffs(status) - 1;

drivers/target/iscsi/cxgbit/cxgbit_cm.c

862

return (ffs(pri_mask) - 1);

drivers/target/iscsi/cxgbit/cxgbit_main.c

612

priority = ffs(iscsi_app->app.priority) - 1;

drivers/thermal/tegra/soctherm.c

198

#define REG_GET_MASK(r, m) (((r) & (m)) >> (ffs(m) - 1))

drivers/thermal/tegra/soctherm.c

201

(((v) & (m >> (ffs(m) - 1))) << (ffs(m) - 1)))

drivers/tty/serial/dz.c

208

(ffs(DZ_FERR) - ffs(DZ_BREAK));

drivers/tty/serial/sh-sci-common.h

176

#define min_sr(_port) ffs((_port)->sampling_rate_mask)

drivers/usb/dwc3/gadget.c

4450

intf_id = ffs(dwc->wakeup_pending_funcs) - 1;

drivers/usb/fotg210/fotg210-hcd.c

3761

uframe = ffs(hc32_to_cpup(fotg210, &hw->hw_info2) & QH_SMASK);

drivers/usb/gadget/function/f_fs.c

1010

if (WARN_ON(epfile->ffs->state != FFS_ACTIVE))

drivers/usb/gadget/function/f_fs.c

1049

gadget = epfile->ffs->gadget;

drivers/usb/gadget/function/f_fs.c

1051

spin_lock_irq(&epfile->ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

1066

spin_unlock_irq(&epfile->ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

1080

spin_lock_irq(&epfile->ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

1127

spin_unlock_irq(&epfile->ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

1130

spin_lock_irq(&epfile->ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

1142

spin_unlock_irq(&epfile->ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

1171

io_data->ffs = epfile->ffs;

drivers/usb/gadget/function/f_fs.c

1192

spin_unlock_irq(&epfile->ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

1204

struct ffs_data *ffs = inode->i_sb->s_fs_info;

drivers/usb/gadget/function/f_fs.c

1207

spin_lock_irq(&ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

1208

if (!ffs->opened) {

drivers/usb/gadget/function/f_fs.c

1209

spin_unlock_irq(&ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

1218

if (unlikely(ffs->state != FFS_ACTIVE || !epfile)) {

drivers/usb/gadget/function/f_fs.c

1219

spin_unlock_irq(&ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

1222

ffs->opened++;

drivers/usb/gadget/function/f_fs.c

1223

spin_unlock_irq(&ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

1357

struct ffs_data *ffs = epfile->ffs;

drivers/usb/gadget/function/f_fs.c

1364

spin_lock_irq(&ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

1367

spin_unlock_irq(&ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

1376

ffs_data_closed(epfile->ffs);

drivers/usb/gadget/function/f_fs.c

139

struct ffs_data *ffs;

drivers/usb/gadget/function/f_fs.c

1410

queue_work(priv->ffs->io_completion_wq, &dma_fence->work);

drivers/usb/gadget/function/f_fs.c

1459

struct device *dev = epfile->ffs->gadget->dev.parent;

drivers/usb/gadget/function/f_fs.c

1485

struct usb_gadget *gadget = epfile->ffs->gadget;

drivers/usb/gadget/function/f_fs.c

1530

priv->ffs = epfile->ffs;

drivers/usb/gadget/function/f_fs.c

1555

struct ffs_data *ffs = epfile->ffs;

drivers/usb/gadget/function/f_fs.c

1556

struct device *dev = ffs->gadget->dev.parent;

drivers/usb/gadget/function/f_fs.c

1571

spin_lock_irq(&ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

1574

spin_unlock_irq(&ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

159

struct ffs_data *ffs;

drivers/usb/gadget/function/f_fs.c

1663

spin_lock_irq(&epfile->ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

1714

spin_unlock_irq(&epfile->ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

1720

spin_unlock_irq(&epfile->ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

1739

if (WARN_ON(epfile->ffs->state != FFS_ACTIVE))

drivers/usb/gadget/function/f_fs.c

1779

spin_lock_irq(&epfile->ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

1783

spin_unlock_irq(&epfile->ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

1806

switch (epfile->ffs->gadget->speed) {

drivers/usb/gadget/function/f_fs.c

1821

spin_unlock_irq(&epfile->ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

1830

spin_unlock_irq(&epfile->ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

1886

struct ffs_data *ffs = sb->s_fs_info;

drivers/usb/gadget/function/f_fs.c

1890

inode = ffs_sb_make_inode(sb, data, fops, NULL, &ffs->file_perms);

drivers/usb/gadget/function/f_fs.c

1923

struct ffs_data *ffs = data->ffs_data;

drivers/usb/gadget/function/f_fs.c

1925

ffs->sb = sb;

drivers/usb/gadget/function/f_fs.c

1927

sb->s_fs_info = ffs;

drivers/usb/gadget/function/f_fs.c

1945

return ffs_sb_create_file(sb, "ep0", ffs, &ffs_ep0_operations);

drivers/usb/gadget/function/f_fs.c

2019

struct ffs_data *ffs;

drivers/usb/gadget/function/f_fs.c

2025

ffs = ffs_data_new(fc->source);

drivers/usb/gadget/function/f_fs.c

2026

if (!ffs)

drivers/usb/gadget/function/f_fs.c

2028

ffs->file_perms = ctx->perms;

drivers/usb/gadget/function/f_fs.c

2029

ffs->no_disconnect = ctx->no_disconnect;

drivers/usb/gadget/function/f_fs.c

2031

ffs->dev_name = kstrdup(fc->source, GFP_KERNEL);

drivers/usb/gadget/function/f_fs.c

2032

if (!ffs->dev_name) {

drivers/usb/gadget/function/f_fs.c

2033

ffs_data_put(ffs);

drivers/usb/gadget/function/f_fs.c

2037

ret = ffs_acquire_dev(ffs->dev_name, ffs);

drivers/usb/gadget/function/f_fs.c

2039

ffs_data_put(ffs);

drivers/usb/gadget/function/f_fs.c

2043

ctx->ffs_data = ffs;

drivers/usb/gadget/function/f_fs.c

2090

struct ffs_data *ffs = sb->s_fs_info;

drivers/usb/gadget/function/f_fs.c

2091

ffs->state = FFS_CLOSING;

drivers/usb/gadget/function/f_fs.c

2092

ffs_data_reset(ffs);

drivers/usb/gadget/function/f_fs.c

2095

cancel_work_sync(&ffs->reset_work);

drivers/usb/gadget/function/f_fs.c

2096

ffs_data_put(ffs);

drivers/usb/gadget/function/f_fs.c

2134

static void ffs_data_clear(struct ffs_data *ffs);

drivers/usb/gadget/function/f_fs.c

2136

static void ffs_data_get(struct ffs_data *ffs)

drivers/usb/gadget/function/f_fs.c

2138

refcount_inc(&ffs->ref);

drivers/usb/gadget/function/f_fs.c

2141

static void ffs_data_put(struct ffs_data *ffs)

drivers/usb/gadget/function/f_fs.c

2143

if (refcount_dec_and_test(&ffs->ref)) {

drivers/usb/gadget/function/f_fs.c

2145

ffs_data_clear(ffs);

drivers/usb/gadget/function/f_fs.c

2146

ffs_release_dev(ffs->private_data);

drivers/usb/gadget/function/f_fs.c

2147

BUG_ON(waitqueue_active(&ffs->ev.waitq) ||

drivers/usb/gadget/function/f_fs.c

2148

swait_active(&ffs->ep0req_completion.wait) ||

drivers/usb/gadget/function/f_fs.c

2149

waitqueue_active(&ffs->wait));

drivers/usb/gadget/function/f_fs.c

2150

destroy_workqueue(ffs->io_completion_wq);

drivers/usb/gadget/function/f_fs.c

2151

kfree(ffs->dev_name);

drivers/usb/gadget/function/f_fs.c

2152

kfree(ffs);

drivers/usb/gadget/function/f_fs.c

2156

static void ffs_data_closed(struct ffs_data *ffs)

drivers/usb/gadget/function/f_fs.c

2158

spin_lock_irq(&ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

2159

if (--ffs->opened) { // not the last opener?

drivers/usb/gadget/function/f_fs.c

2160

spin_unlock_irq(&ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

2163

if (ffs->no_disconnect) {

drivers/usb/gadget/function/f_fs.c

2166

ffs->state = FFS_DEACTIVATED;

drivers/usb/gadget/function/f_fs.c

2167

epfiles = ffs->epfiles;

drivers/usb/gadget/function/f_fs.c

2168

ffs->epfiles = NULL;

drivers/usb/gadget/function/f_fs.c

2169

spin_unlock_irq(&ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

2172

ffs_epfiles_destroy(ffs->sb, epfiles,

drivers/usb/gadget/function/f_fs.c

2173

ffs->eps_count);

drivers/usb/gadget/function/f_fs.c

2175

if (ffs->setup_state == FFS_SETUP_PENDING)

drivers/usb/gadget/function/f_fs.c

2176

__ffs_ep0_stall(ffs);

drivers/usb/gadget/function/f_fs.c

2178

ffs->state = FFS_CLOSING;

drivers/usb/gadget/function/f_fs.c

2179

spin_unlock_irq(&ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

2180

ffs_data_reset(ffs);

drivers/usb/gadget/function/f_fs.c

2186

struct ffs_data *ffs = kzalloc_obj(*ffs);

drivers/usb/gadget/function/f_fs.c

2187

if (!ffs)

drivers/usb/gadget/function/f_fs.c

2190

ffs->io_completion_wq = alloc_ordered_workqueue("%s", 0, dev_name);

drivers/usb/gadget/function/f_fs.c

2191

if (!ffs->io_completion_wq) {

drivers/usb/gadget/function/f_fs.c

2192

kfree(ffs);

drivers/usb/gadget/function/f_fs.c

2196

refcount_set(&ffs->ref, 1);

drivers/usb/gadget/function/f_fs.c

2197

ffs->opened = 0;

drivers/usb/gadget/function/f_fs.c

2198

ffs->state = FFS_READ_DESCRIPTORS;

drivers/usb/gadget/function/f_fs.c

2199

mutex_init(&ffs->mutex);

drivers/usb/gadget/function/f_fs.c

2200

spin_lock_init(&ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

2201

init_waitqueue_head(&ffs->ev.waitq);

drivers/usb/gadget/function/f_fs.c

2202

init_waitqueue_head(&ffs->wait);

drivers/usb/gadget/function/f_fs.c

2203

init_completion(&ffs->ep0req_completion);

drivers/usb/gadget/function/f_fs.c

2206

ffs->ev.can_stall = 1;

drivers/usb/gadget/function/f_fs.c

2208

return ffs;

drivers/usb/gadget/function/f_fs.c

2211

static void ffs_data_clear(struct ffs_data *ffs)

drivers/usb/gadget/function/f_fs.c

2216

ffs_closed(ffs);

drivers/usb/gadget/function/f_fs.c

2218

BUG_ON(ffs->gadget);

drivers/usb/gadget/function/f_fs.c

2220

spin_lock_irqsave(&ffs->eps_lock, flags);

drivers/usb/gadget/function/f_fs.c

2221

epfiles = ffs->epfiles;

drivers/usb/gadget/function/f_fs.c

2222

ffs->epfiles = NULL;

drivers/usb/gadget/function/f_fs.c

2223

spin_unlock_irqrestore(&ffs->eps_lock, flags);

drivers/usb/gadget/function/f_fs.c

2231

ffs_epfiles_destroy(ffs->sb, epfiles, ffs->eps_count);

drivers/usb/gadget/function/f_fs.c

2232

ffs->epfiles = NULL;

drivers/usb/gadget/function/f_fs.c

2235

if (ffs->ffs_eventfd) {

drivers/usb/gadget/function/f_fs.c

2236

eventfd_ctx_put(ffs->ffs_eventfd);

drivers/usb/gadget/function/f_fs.c

2237

ffs->ffs_eventfd = NULL;

drivers/usb/gadget/function/f_fs.c

2240

kfree(ffs->raw_descs_data);

drivers/usb/gadget/function/f_fs.c

2241

kfree(ffs->raw_strings);

drivers/usb/gadget/function/f_fs.c

2242

kfree(ffs->stringtabs);

drivers/usb/gadget/function/f_fs.c

2245

static void ffs_data_reset(struct ffs_data *ffs)

drivers/usb/gadget/function/f_fs.c

2247

ffs_data_clear(ffs);

drivers/usb/gadget/function/f_fs.c

2249

spin_lock_irq(&ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

2250

ffs->raw_descs_data = NULL;

drivers/usb/gadget/function/f_fs.c

2251

ffs->raw_descs = NULL;

drivers/usb/gadget/function/f_fs.c

2252

ffs->raw_strings = NULL;

drivers/usb/gadget/function/f_fs.c

2253

ffs->stringtabs = NULL;

drivers/usb/gadget/function/f_fs.c

2255

ffs->raw_descs_length = 0;

drivers/usb/gadget/function/f_fs.c

2256

ffs->fs_descs_count = 0;

drivers/usb/gadget/function/f_fs.c

2257

ffs->hs_descs_count = 0;

drivers/usb/gadget/function/f_fs.c

2258

ffs->ss_descs_count = 0;

drivers/usb/gadget/function/f_fs.c

2260

ffs->strings_count = 0;

drivers/usb/gadget/function/f_fs.c

2261

ffs->interfaces_count = 0;

drivers/usb/gadget/function/f_fs.c

2262

ffs->eps_count = 0;

drivers/usb/gadget/function/f_fs.c

2264

ffs->ev.count = 0;

drivers/usb/gadget/function/f_fs.c

2266

ffs->state = FFS_READ_DESCRIPTORS;

drivers/usb/gadget/function/f_fs.c

2267

ffs->setup_state = FFS_NO_SETUP;

drivers/usb/gadget/function/f_fs.c

2268

ffs->flags = 0;

drivers/usb/gadget/function/f_fs.c

2270

ffs->ms_os_descs_ext_prop_count = 0;

drivers/usb/gadget/function/f_fs.c

2271

ffs->ms_os_descs_ext_prop_name_len = 0;

drivers/usb/gadget/function/f_fs.c

2272

ffs->ms_os_descs_ext_prop_data_len = 0;

drivers/usb/gadget/function/f_fs.c

2273

spin_unlock_irq(&ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

2277

static int functionfs_bind(struct ffs_data *ffs, struct usb_composite_dev *cdev)

drivers/usb/gadget/function/f_fs.c

2282

if ((ffs->state != FFS_ACTIVE

drivers/usb/gadget/function/f_fs.c

2283

|| test_and_set_bit(FFS_FL_BOUND, &ffs->flags)))

drivers/usb/gadget/function/f_fs.c

2286

first_id = usb_string_ids_n(cdev, ffs->strings_count);

drivers/usb/gadget/function/f_fs.c

2290

ffs->ep0req = usb_ep_alloc_request(cdev->gadget->ep0, GFP_KERNEL);

drivers/usb/gadget/function/f_fs.c

2291

if (!ffs->ep0req)

drivers/usb/gadget/function/f_fs.c

2293

ffs->ep0req->complete = ffs_ep0_complete;

drivers/usb/gadget/function/f_fs.c

2294

ffs->ep0req->context = ffs;

drivers/usb/gadget/function/f_fs.c

2296

lang = ffs->stringtabs;

drivers/usb/gadget/function/f_fs.c

2306

ffs->gadget = cdev->gadget;

drivers/usb/gadget/function/f_fs.c

2307

ffs_data_get(ffs);

drivers/usb/gadget/function/f_fs.c

2311

static void functionfs_unbind(struct ffs_data *ffs)

drivers/usb/gadget/function/f_fs.c

2313

if (!WARN_ON(!ffs->gadget)) {

drivers/usb/gadget/function/f_fs.c

2315

usb_ep_dequeue(ffs->gadget->ep0, ffs->ep0req);

drivers/usb/gadget/function/f_fs.c

2316

mutex_lock(&ffs->mutex);

drivers/usb/gadget/function/f_fs.c

2317

usb_ep_free_request(ffs->gadget->ep0, ffs->ep0req);

drivers/usb/gadget/function/f_fs.c

2318

ffs->ep0req = NULL;

drivers/usb/gadget/function/f_fs.c

2319

ffs->gadget = NULL;

drivers/usb/gadget/function/f_fs.c

2320

clear_bit(FFS_FL_BOUND, &ffs->flags);

drivers/usb/gadget/function/f_fs.c

2321

mutex_unlock(&ffs->mutex);

drivers/usb/gadget/function/f_fs.c

2322

ffs_data_put(ffs);

drivers/usb/gadget/function/f_fs.c

2326

static int ffs_epfiles_create(struct ffs_data *ffs)

drivers/usb/gadget/function/f_fs.c

2332

count = ffs->eps_count;

drivers/usb/gadget/function/f_fs.c

2339

epfile->ffs = ffs;

drivers/usb/gadget/function/f_fs.c

2343

if (ffs->user_flags & FUNCTIONFS_VIRTUAL_ADDR)

drivers/usb/gadget/function/f_fs.c

2344

sprintf(epfile->name, "ep%02x", ffs->eps_addrmap[i]);

drivers/usb/gadget/function/f_fs.c

2347

err = ffs_sb_create_file(ffs->sb, epfile->name,

drivers/usb/gadget/function/f_fs.c

2350

ffs_epfiles_destroy(ffs->sb, epfiles, i - 1);

drivers/usb/gadget/function/f_fs.c

2355

ffs->epfiles = epfiles;

drivers/usb/gadget/function/f_fs.c

2385

spin_lock_irqsave(&func->ffs->eps_lock, flags);

drivers/usb/gadget/function/f_fs.c

2386

count = func->ffs->eps_count;

drivers/usb/gadget/function/f_fs.c

2387

epfile = func->ffs->epfiles;

drivers/usb/gadget/function/f_fs.c

2401

spin_unlock_irqrestore(&func->ffs->eps_lock, flags);

drivers/usb/gadget/function/f_fs.c

2406

struct ffs_data *ffs;

drivers/usb/gadget/function/f_fs.c

2413

spin_lock_irqsave(&func->ffs->eps_lock, flags);

drivers/usb/gadget/function/f_fs.c

2414

ffs = func->ffs;

drivers/usb/gadget/function/f_fs.c

2416

epfile = ffs->epfiles;

drivers/usb/gadget/function/f_fs.c

2417

count = ffs->eps_count;

drivers/usb/gadget/function/f_fs.c

2446

wake_up_interruptible(&ffs->wait);

drivers/usb/gadget/function/f_fs.c

2448

spin_unlock_irqrestore(&func->ffs->eps_lock, flags);

drivers/usb/gadget/function/f_fs.c

258

struct ffs_data *ffs;

drivers/usb/gadget/function/f_fs.c

265

struct ffs_data *ffs;

drivers/usb/gadget/function/f_fs.c

2690

if (*valuep > helper->ffs->strings_count)

drivers/usb/gadget/function/f_fs.c

2691

helper->ffs->strings_count = *valuep;

drivers/usb/gadget/function/f_fs.c

270

static int __must_check ffs_epfiles_create(struct ffs_data *ffs);

drivers/usb/gadget/function/f_fs.c

2700

if (!helper->ffs->eps_count && !helper->ffs->interfaces_count)

drivers/usb/gadget/function/f_fs.c

2701

helper->ffs->eps_addrmap[helper->eps_count] =

drivers/usb/gadget/function/f_fs.c

2703

else if (helper->ffs->eps_addrmap[helper->eps_count] !=

drivers/usb/gadget/function/f_fs.c

2835

struct ffs_data *ffs = priv;

drivers/usb/gadget/function/f_fs.c

2844

d->bFirstInterfaceNumber >= ffs->interfaces_count)

drivers/usb/gadget/function/f_fs.c

2868

if (len < sizeof(*d) || h->interface >= ffs->interfaces_count)

drivers/usb/gadget/function/f_fs.c

287

static int ffs_ready(struct ffs_data *ffs);

drivers/usb/gadget/function/f_fs.c

288

static void ffs_closed(struct ffs_data *ffs);

drivers/usb/gadget/function/f_fs.c

2892

++ffs->ms_os_descs_ext_prop_count;

drivers/usb/gadget/function/f_fs.c

2894

ffs->ms_os_descs_ext_prop_name_len += pnl * 2;

drivers/usb/gadget/function/f_fs.c

2895

ffs->ms_os_descs_ext_prop_data_len += pdl;

drivers/usb/gadget/function/f_fs.c

2905

static int __ffs_data_got_descs(struct ffs_data *ffs,

drivers/usb/gadget/function/f_fs.c

2924

ffs->user_flags = flags;

drivers/usb/gadget/function/f_fs.c

2946

ffs->ffs_eventfd =

drivers/usb/gadget/function/f_fs.c

2948

if (IS_ERR(ffs->ffs_eventfd)) {

drivers/usb/gadget/function/f_fs.c

2949

ret = PTR_ERR(ffs->ffs_eventfd);

drivers/usb/gadget/function/f_fs.c

2950

ffs->ffs_eventfd = NULL;

drivers/usb/gadget/function/f_fs.c

2980

helper.ffs = ffs;

drivers/usb/gadget/function/f_fs.c

2990

if (!ffs->eps_count && !ffs->interfaces_count) {

drivers/usb/gadget/function/f_fs.c

2991

ffs->eps_count = helper.eps_count;

drivers/usb/gadget/function/f_fs.c

2992

ffs->interfaces_count = helper.interfaces_count;

drivers/usb/gadget/function/f_fs.c

2994

if (ffs->eps_count != helper.eps_count) {

drivers/usb/gadget/function/f_fs.c

2998

if (ffs->interfaces_count != helper.interfaces_count) {

drivers/usb/gadget/function/f_fs.c

3008

__ffs_data_do_os_desc, ffs);

drivers/usb/gadget/function/f_fs.c

302

struct ffs_data *ffs = req->context;

drivers/usb/gadget/function/f_fs.c

3020

ffs->raw_descs_data = _data;

drivers/usb/gadget/function/f_fs.c

3021

ffs->raw_descs = raw_descs;

drivers/usb/gadget/function/f_fs.c

3022

ffs->raw_descs_length = data - raw_descs;

drivers/usb/gadget/function/f_fs.c

3023

ffs->fs_descs_count = counts[0];

drivers/usb/gadget/function/f_fs.c

3024

ffs->hs_descs_count = counts[1];

drivers/usb/gadget/function/f_fs.c

3025

ffs->ss_descs_count = counts[2];

drivers/usb/gadget/function/f_fs.c

3026

ffs->ms_os_descs_count = os_descs_count;

drivers/usb/gadget/function/f_fs.c

3035

static int __ffs_data_got_strings(struct ffs_data *ffs,

drivers/usb/gadget/function/f_fs.c

304

complete(&ffs->ep0req_completion);

drivers/usb/gadget/function/f_fs.c

3055

needed_count = ffs->strings_count;

drivers/usb/gadget/function/f_fs.c

307

static int __ffs_ep0_queue_wait(struct ffs_data *ffs, char *data, size_t len)

drivers/usb/gadget/function/f_fs.c

308

__releases(&ffs->ev.waitq.lock)

drivers/usb/gadget/function/f_fs.c

310

struct usb_request *req = ffs->ep0req;

drivers/usb/gadget/function/f_fs.c

314

spin_unlock_irq(&ffs->ev.waitq.lock);

drivers/usb/gadget/function/f_fs.c

3155

ffs->stringtabs = stringtabs;

drivers/usb/gadget/function/f_fs.c

3156

ffs->raw_strings = _data;

drivers/usb/gadget/function/f_fs.c

3170

static void __ffs_event_add(struct ffs_data *ffs,

drivers/usb/gadget/function/f_fs.c

318

req->zero = len < le16_to_cpu(ffs->ev.setup.wLength);

drivers/usb/gadget/function/f_fs.c

3184

if (ffs->setup_state == FFS_SETUP_PENDING)

drivers/usb/gadget/function/f_fs.c

3185

ffs->setup_state = FFS_SETUP_CANCELLED;

drivers/usb/gadget/function/f_fs.c

320

spin_unlock_irq(&ffs->ev.waitq.lock);

drivers/usb/gadget/function/f_fs.c

3220

u8 *ev = ffs->ev.types, *out = ev;

drivers/usb/gadget/function/f_fs.c

3221

unsigned n = ffs->ev.count;

drivers/usb/gadget/function/f_fs.c

3227

ffs->ev.count = out - ffs->ev.types;

drivers/usb/gadget/function/f_fs.c

3231

ffs->ev.types[ffs->ev.count++] = type;

drivers/usb/gadget/function/f_fs.c

3232

wake_up_locked(&ffs->ev.waitq);

drivers/usb/gadget/function/f_fs.c

3233

if (ffs->ffs_eventfd)

drivers/usb/gadget/function/f_fs.c

3234

eventfd_signal(ffs->ffs_eventfd);

drivers/usb/gadget/function/f_fs.c

3237

static void ffs_event_add(struct ffs_data *ffs,

drivers/usb/gadget/function/f_fs.c

3241

spin_lock_irqsave(&ffs->ev.waitq.lock, flags);

drivers/usb/gadget/function/f_fs.c

3242

__ffs_event_add(ffs, type);

drivers/usb/gadget/function/f_fs.c

3243

spin_unlock_irqrestore(&ffs->ev.waitq.lock, flags);

drivers/usb/gadget/function/f_fs.c

3248

static int ffs_ep_addr2idx(struct ffs_data *ffs, u8 endpoint_address)

drivers/usb/gadget/function/f_fs.c

3252

for (i = 1; i < ARRAY_SIZE(ffs->eps_addrmap); ++i)

drivers/usb/gadget/function/f_fs.c

3253

if (ffs->eps_addrmap[i] == endpoint_address)

drivers/usb/gadget/function/f_fs.c

3292

idx = ffs_ep_addr2idx(func->ffs, ds->bEndpointAddress) - 1;

drivers/usb/gadget/function/f_fs.c

333

reinit_completion(&ffs->ep0req_completion);

drivers/usb/gadget/function/f_fs.c

3345

if (func->ffs->user_flags & FUNCTIONFS_VIRTUAL_ADDR)

drivers/usb/gadget/function/f_fs.c

335

ret = usb_ep_queue(ffs->gadget->ep0, req, GFP_ATOMIC);

drivers/usb/gadget/function/f_fs.c

3385

newValue = func->ffs->stringtabs[0]->strings[*valuep - 1].id;

drivers/usb/gadget/function/f_fs.c

339

ret = wait_for_completion_interruptible(&ffs->ep0req_completion);

drivers/usb/gadget/function/f_fs.c

341

usb_ep_dequeue(ffs->gadget->ep0, req);

drivers/usb/gadget/function/f_fs.c

3442

ext_prop = func->ffs->ms_os_descs_ext_prop_avail;

drivers/usb/gadget/function/f_fs.c

3443

func->ffs->ms_os_descs_ext_prop_avail += sizeof(*ext_prop);

drivers/usb/gadget/function/f_fs.c

345

ffs->setup_state = FFS_NO_SETUP;

drivers/usb/gadget/function/f_fs.c

3451

ext_prop_name = func->ffs->ms_os_descs_ext_prop_name_avail;

drivers/usb/gadget/function/f_fs.c

3452

func->ffs->ms_os_descs_ext_prop_name_avail +=

drivers/usb/gadget/function/f_fs.c

3455

ext_prop_data = func->ffs->ms_os_descs_ext_prop_data_avail;

drivers/usb/gadget/function/f_fs.c

3456

func->ffs->ms_os_descs_ext_prop_data_avail +=

drivers/usb/gadget/function/f_fs.c

349

static int __ffs_ep0_stall(struct ffs_data *ffs)

drivers/usb/gadget/function/f_fs.c

351

if (ffs->ev.can_stall) {

drivers/usb/gadget/function/f_fs.c

3516

func->ffs = ffs_data;

drivers/usb/gadget/function/f_fs.c

3528

ret = functionfs_bind(func->ffs, c->cdev);

drivers/usb/gadget/function/f_fs.c

353

usb_ep_set_halt(ffs->gadget->ep0);

drivers/usb/gadget/function/f_fs.c

3533

func->function.strings = func->ffs->stringtabs;

drivers/usb/gadget/function/f_fs.c

354

ffs->setup_state = FFS_NO_SETUP;

drivers/usb/gadget/function/f_fs.c

3542

struct ffs_data *ffs = func->ffs;

drivers/usb/gadget/function/f_fs.c

3544

const int full = !!func->ffs->fs_descs_count;

drivers/usb/gadget/function/f_fs.c

3545

const int high = !!func->ffs->hs_descs_count;

drivers/usb/gadget/function/f_fs.c

3546

const int super = !!func->ffs->ss_descs_count;

drivers/usb/gadget/function/f_fs.c

3553

vla_item_with_sz(d, struct ffs_ep, eps, ffs->eps_count);

drivers/usb/gadget/function/f_fs.c

3555

full ? ffs->fs_descs_count + 1 : 0);

drivers/usb/gadget/function/f_fs.c

3557

high ? ffs->hs_descs_count + 1 : 0);

drivers/usb/gadget/function/f_fs.c

3559

super ? ffs->ss_descs_count + 1 : 0);

drivers/usb/gadget/function/f_fs.c

3560

vla_item_with_sz(d, short, inums, ffs->interfaces_count);

drivers/usb/gadget/function/f_fs.c

3562

c->cdev->use_os_string ? ffs->interfaces_count : 0);

drivers/usb/gadget/function/f_fs.c

3564

c->cdev->use_os_string ? ffs->interfaces_count : 0);

drivers/usb/gadget/function/f_fs.c

3566

c->cdev->use_os_string ? ffs->interfaces_count : 0);

drivers/usb/gadget/function/f_fs.c

3568

ffs->ms_os_descs_ext_prop_count);

drivers/usb/gadget/function/f_fs.c

3570

ffs->ms_os_descs_ext_prop_name_len);

drivers/usb/gadget/function/f_fs.c

3572

ffs->ms_os_descs_ext_prop_data_len);

drivers/usb/gadget/function/f_fs.c

3573

vla_item_with_sz(d, char, raw_descs, ffs->raw_descs_length);

drivers/usb/gadget/function/f_fs.c

3585

ffs->ms_os_descs_ext_prop_avail = vla_ptr(vlabuf, d, ext_prop);

drivers/usb/gadget/function/f_fs.c

3586

ffs->ms_os_descs_ext_prop_name_avail =

drivers/usb/gadget/function/f_fs.c

3588

ffs->ms_os_descs_ext_prop_data_avail =

drivers/usb/gadget/function/f_fs.c

3592

memcpy(vla_ptr(vlabuf, d, raw_descs), ffs->raw_descs,

drivers/usb/gadget/function/f_fs.c

3593

ffs->raw_descs_length);

drivers/usb/gadget/function/f_fs.c

3597

for (i = 0; i < ffs->eps_count; i++)

drivers/usb/gadget/function/f_fs.c

3613

fs_len = ffs_do_descs(ffs->fs_descs_count,

drivers/usb/gadget/function/f_fs.c

3627

hs_len = ffs_do_descs(ffs->hs_descs_count,

drivers/usb/gadget/function/f_fs.c

3642

ss_len = ffs_do_descs(ffs->ss_descs_count,

drivers/usb/gadget/function/f_fs.c

365

struct ffs_data *ffs = file->private_data;

drivers/usb/gadget/function/f_fs.c

3659

ret = ffs_do_descs(ffs->fs_descs_count +

drivers/usb/gadget/function/f_fs.c

3660

(high ? ffs->hs_descs_count : 0) +

drivers/usb/gadget/function/f_fs.c

3661

(super ? ffs->ss_descs_count : 0),

drivers/usb/gadget/function/f_fs.c

3669

for (i = 0; i < ffs->interfaces_count; ++i) {

drivers/usb/gadget/function/f_fs.c

3679

ret = ffs_do_os_descs(ffs->ms_os_descs_count,

drivers/usb/gadget/function/f_fs.c

3689

c->cdev->use_os_string ? ffs->interfaces_count : 0;

drivers/usb/gadget/function/f_fs.c

3692

ffs_event_add(ffs, FUNCTIONFS_BIND);

drivers/usb/gadget/function/f_fs.c

370

if (ffs_setup_state_clear_cancelled(ffs) == FFS_SETUP_CANCELLED)

drivers/usb/gadget/function/f_fs.c

3712

functionfs_unbind(func->ffs);

drivers/usb/gadget/function/f_fs.c

3722

struct ffs_data *ffs = container_of(work,

drivers/usb/gadget/function/f_fs.c

3724

ffs_data_reset(ffs);

drivers/usb/gadget/function/f_fs.c

374

ret = ffs_mutex_lock(&ffs->mutex, file->f_flags & O_NONBLOCK);

drivers/usb/gadget/function/f_fs.c

3740

struct ffs_data *ffs = func->ffs;

drivers/usb/gadget/function/f_fs.c

3751

if (ffs->func)

drivers/usb/gadget/function/f_fs.c

3752

ffs_func_eps_disable(ffs->func);

drivers/usb/gadget/function/f_fs.c

3754

spin_lock_irqsave(&ffs->eps_lock, flags);

drivers/usb/gadget/function/f_fs.c

3755

if (ffs->state == FFS_DEACTIVATED) {

drivers/usb/gadget/function/f_fs.c

3756

ffs->state = FFS_CLOSING;

drivers/usb/gadget/function/f_fs.c

3757

spin_unlock_irqrestore(&ffs->eps_lock, flags);

drivers/usb/gadget/function/f_fs.c

3758

INIT_WORK(&ffs->reset_work, ffs_reset_work);

drivers/usb/gadget/function/f_fs.c

3759

schedule_work(&ffs->reset_work);

drivers/usb/gadget/function/f_fs.c

3762

spin_unlock_irqrestore(&ffs->eps_lock, flags);

drivers/usb/gadget/function/f_fs.c

3764

if (ffs->state != FFS_ACTIVE)

drivers/usb/gadget/function/f_fs.c

3767

ffs->func = func;

drivers/usb/gadget/function/f_fs.c

3770

ffs_event_add(ffs, FUNCTIONFS_ENABLE);

drivers/usb/gadget/function/f_fs.c

3779

struct ffs_data *ffs = func->ffs;

drivers/usb/gadget/function/f_fs.c

3782

if (ffs->func)

drivers/usb/gadget/function/f_fs.c

3783

ffs_func_eps_disable(ffs->func);

drivers/usb/gadget/function/f_fs.c

3785

spin_lock_irqsave(&ffs->eps_lock, flags);

drivers/usb/gadget/function/f_fs.c

3786

if (ffs->state == FFS_DEACTIVATED) {

drivers/usb/gadget/function/f_fs.c

3787

ffs->state = FFS_CLOSING;

drivers/usb/gadget/function/f_fs.c

3788

spin_unlock_irqrestore(&ffs->eps_lock, flags);

drivers/usb/gadget/function/f_fs.c

3789

INIT_WORK(&ffs->reset_work, ffs_reset_work);

drivers/usb/gadget/function/f_fs.c

379

switch (ffs->state) {

drivers/usb/gadget/function/f_fs.c

3790

schedule_work(&ffs->reset_work);

drivers/usb/gadget/function/f_fs.c

3793

spin_unlock_irqrestore(&ffs->eps_lock, flags);

drivers/usb/gadget/function/f_fs.c

3795

if (ffs->state == FFS_ACTIVE) {

drivers/usb/gadget/function/f_fs.c

3796

ffs->func = NULL;

drivers/usb/gadget/function/f_fs.c

3797

ffs_event_add(ffs, FUNCTIONFS_DISABLE);

drivers/usb/gadget/function/f_fs.c

3805

struct ffs_data *ffs = func->ffs;

drivers/usb/gadget/function/f_fs.c

3825

if (ffs->state != FFS_ACTIVE)

drivers/usb/gadget/function/f_fs.c

3839

if (func->ffs->user_flags & FUNCTIONFS_VIRTUAL_ADDR)

drivers/usb/gadget/function/f_fs.c

3840

ret = func->ffs->eps_addrmap[ret];

drivers/usb/gadget/function/f_fs.c

3844

if (func->ffs->user_flags & FUNCTIONFS_ALL_CTRL_RECIP)

drivers/usb/gadget/function/f_fs.c

3850

spin_lock_irqsave(&ffs->ev.waitq.lock, flags);

drivers/usb/gadget/function/f_fs.c

3851

ffs->ev.setup = *creq;

drivers/usb/gadget/function/f_fs.c

3852

ffs->ev.setup.wIndex = cpu_to_le16(ret);

drivers/usb/gadget/function/f_fs.c

3853

__ffs_event_add(ffs, FUNCTIONFS_SETUP);

drivers/usb/gadget/function/f_fs.c

3854

spin_unlock_irqrestore(&ffs->ev.waitq.lock, flags);

drivers/usb/gadget/function/f_fs.c

3856

return ffs->ev.setup.wLength == 0 ? USB_GADGET_DELAYED_STATUS : 0;

drivers/usb/gadget/function/f_fs.c

3865

if (config0 && !(func->ffs->user_flags & FUNCTIONFS_CONFIG0_SETUP))

drivers/usb/gadget/function/f_fs.c

3876

return (bool) (func->ffs->user_flags &

drivers/usb/gadget/function/f_fs.c

3883

ffs_event_add(ffs_func_from_usb(f)->ffs, FUNCTIONFS_SUSPEND);

drivers/usb/gadget/function/f_fs.c

3888

ffs_event_add(ffs_func_from_usb(f)->ffs, FUNCTIONFS_RESUME);

drivers/usb/gadget/function/f_fs.c

3903

unsigned count = func->ffs->interfaces_count;

drivers/usb/gadget/function/f_fs.c

395

if (ffs->state == FFS_READ_DESCRIPTORS) {

drivers/usb/gadget/function/f_fs.c

397

ret = __ffs_data_got_descs(ffs, data, len);

drivers/usb/gadget/function/f_fs.c

401

ffs->state = FFS_READ_STRINGS;

drivers/usb/gadget/function/f_fs.c

405

ret = __ffs_data_got_strings(ffs, data, len);

drivers/usb/gadget/function/f_fs.c

4064

struct ffs_data *ffs = func->ffs;

drivers/usb/gadget/function/f_fs.c

4068

unsigned count = ffs->eps_count;

drivers/usb/gadget/function/f_fs.c

4071

if (ffs->func == func) {

drivers/usb/gadget/function/f_fs.c

4073

ffs->func = NULL;

drivers/usb/gadget/function/f_fs.c

4077

drain_workqueue(ffs->io_completion_wq);

drivers/usb/gadget/function/f_fs.c

4079

ffs_event_add(ffs, FUNCTIONFS_UNBIND);

drivers/usb/gadget/function/f_fs.c

4081

functionfs_unbind(ffs);

drivers/usb/gadget/function/f_fs.c

4084

spin_lock_irqsave(&func->ffs->eps_lock, flags);

drivers/usb/gadget/function/f_fs.c

409

ret = ffs_epfiles_create(ffs);

drivers/usb/gadget/function/f_fs.c

4091

spin_unlock_irqrestore(&func->ffs->eps_lock, flags);

drivers/usb/gadget/function/f_fs.c

411

ffs->state = FFS_CLOSING;

drivers/usb/gadget/function/f_fs.c

415

ffs->state = FFS_ACTIVE;

drivers/usb/gadget/function/f_fs.c

416

mutex_unlock(&ffs->mutex);

drivers/usb/gadget/function/f_fs.c

418

ret = ffs_ready(ffs);

drivers/usb/gadget/function/f_fs.c

420

ffs->state = FFS_CLOSING;

drivers/usb/gadget/function/f_fs.c

4249

static int ffs_ready(struct ffs_data *ffs)

drivers/usb/gadget/function/f_fs.c

4256

ffs_obj = ffs->private_data;

drivers/usb/gadget/function/f_fs.c

4269

ret = ffs_obj->ffs_ready_callback(ffs);

drivers/usb/gadget/function/f_fs.c

4274

set_bit(FFS_FL_CALL_CLOSED_CALLBACK, &ffs->flags);

drivers/usb/gadget/function/f_fs.c

4280

static void ffs_closed(struct ffs_data *ffs)

drivers/usb/gadget/function/f_fs.c

4288

ffs_obj = ffs->private_data;

drivers/usb/gadget/function/f_fs.c

4294

if (test_and_clear_bit(FFS_FL_CALL_CLOSED_CALLBACK, &ffs->flags) &&

drivers/usb/gadget/function/f_fs.c

4296

ffs_obj->ffs_closed_callback(ffs);

drivers/usb/gadget/function/f_fs.c

4310

if (test_bit(FFS_FL_BOUND, &ffs->flags))

drivers/usb/gadget/function/f_fs.c

434

spin_lock_irq(&ffs->ev.waitq.lock);

drivers/usb/gadget/function/f_fs.c

4343

DECLARE_USB_FUNCTION_INIT(ffs, ffs_alloc_inst, ffs_alloc);

drivers/usb/gadget/function/f_fs.c

435

switch (ffs_setup_state_clear_cancelled(ffs)) {

drivers/usb/gadget/function/f_fs.c

449

if (!(ffs->ev.setup.bRequestType & USB_DIR_IN)) {

drivers/usb/gadget/function/f_fs.c

450

spin_unlock_irq(&ffs->ev.waitq.lock);

drivers/usb/gadget/function/f_fs.c

451

ret = __ffs_ep0_stall(ffs);

drivers/usb/gadget/function/f_fs.c

456

len = min_t(size_t, len, le16_to_cpu(ffs->ev.setup.wLength));

drivers/usb/gadget/function/f_fs.c

458

spin_unlock_irq(&ffs->ev.waitq.lock);

drivers/usb/gadget/function/f_fs.c

466

spin_lock_irq(&ffs->ev.waitq.lock);

drivers/usb/gadget/function/f_fs.c

480

if (ffs_setup_state_clear_cancelled(ffs) ==

drivers/usb/gadget/function/f_fs.c

484

spin_unlock_irq(&ffs->ev.waitq.lock);

drivers/usb/gadget/function/f_fs.c

487

ret = __ffs_ep0_queue_wait(ffs, data, len);

drivers/usb/gadget/function/f_fs.c

497

mutex_unlock(&ffs->mutex);

drivers/usb/gadget/function/f_fs.c

502

static ssize_t __ffs_ep0_read_events(struct ffs_data *ffs, char __user *buf,

drivers/usb/gadget/function/f_fs.c

504

__releases(&ffs->ev.waitq.lock)

drivers/usb/gadget/function/f_fs.c

511

struct usb_functionfs_event events[ARRAY_SIZE(ffs->ev.types)];

drivers/usb/gadget/function/f_fs.c

518

events[i].type = ffs->ev.types[i];

drivers/usb/gadget/function/f_fs.c

520

events[i].u.setup = ffs->ev.setup;

drivers/usb/gadget/function/f_fs.c

521

ffs->setup_state = FFS_SETUP_PENDING;

drivers/usb/gadget/function/f_fs.c

525

ffs->ev.count -= n;

drivers/usb/gadget/function/f_fs.c

526

if (ffs->ev.count)

drivers/usb/gadget/function/f_fs.c

527

memmove(ffs->ev.types, ffs->ev.types + n,

drivers/usb/gadget/function/f_fs.c

528

ffs->ev.count * sizeof *ffs->ev.types);

drivers/usb/gadget/function/f_fs.c

530

spin_unlock_irq(&ffs->ev.waitq.lock);

drivers/usb/gadget/function/f_fs.c

531

mutex_unlock(&ffs->mutex);

drivers/usb/gadget/function/f_fs.c

539

struct ffs_data *ffs = file->private_data;

drivers/usb/gadget/function/f_fs.c

545

if (ffs_setup_state_clear_cancelled(ffs) == FFS_SETUP_CANCELLED)

drivers/usb/gadget/function/f_fs.c

549

ret = ffs_mutex_lock(&ffs->mutex, file->f_flags & O_NONBLOCK);

drivers/usb/gadget/function/f_fs.c

55

static void ffs_data_get(struct ffs_data *ffs);

drivers/usb/gadget/function/f_fs.c

554

if (ffs->state != FFS_ACTIVE) {

drivers/usb/gadget/function/f_fs.c

56

static void ffs_data_put(struct ffs_data *ffs);

drivers/usb/gadget/function/f_fs.c

563

spin_lock_irq(&ffs->ev.waitq.lock);

drivers/usb/gadget/function/f_fs.c

565

switch (ffs_setup_state_clear_cancelled(ffs)) {

drivers/usb/gadget/function/f_fs.c

577

if ((file->f_flags & O_NONBLOCK) && !ffs->ev.count) {

drivers/usb/gadget/function/f_fs.c

582

if (wait_event_interruptible_exclusive_locked_irq(ffs->ev.waitq,

drivers/usb/gadget/function/f_fs.c

583

ffs->ev.count)) {

drivers/usb/gadget/function/f_fs.c

589

return __ffs_ep0_read_events(ffs, buf,

drivers/usb/gadget/function/f_fs.c

590

min_t(size_t, n, ffs->ev.count));

drivers/usb/gadget/function/f_fs.c

593

if (ffs->ev.setup.bRequestType & USB_DIR_IN) {

drivers/usb/gadget/function/f_fs.c

594

spin_unlock_irq(&ffs->ev.waitq.lock);

drivers/usb/gadget/function/f_fs.c

595

ret = __ffs_ep0_stall(ffs);

drivers/usb/gadget/function/f_fs.c

599

len = min_t(size_t, len, le16_to_cpu(ffs->ev.setup.wLength));

drivers/usb/gadget/function/f_fs.c

601

spin_unlock_irq(&ffs->ev.waitq.lock);

drivers/usb/gadget/function/f_fs.c

611

spin_lock_irq(&ffs->ev.waitq.lock);

drivers/usb/gadget/function/f_fs.c

614

if (ffs_setup_state_clear_cancelled(ffs) ==

drivers/usb/gadget/function/f_fs.c

62

static void ffs_data_closed(struct ffs_data *ffs);

drivers/usb/gadget/function/f_fs.c

621

ret = __ffs_ep0_queue_wait(ffs, data, len);

drivers/usb/gadget/function/f_fs.c

631

spin_unlock_irq(&ffs->ev.waitq.lock);

drivers/usb/gadget/function/f_fs.c

633

mutex_unlock(&ffs->mutex);

drivers/usb/gadget/function/f_fs.c

639

static void ffs_data_reset(struct ffs_data *ffs);

drivers/usb/gadget/function/f_fs.c

643

struct ffs_data *ffs = inode->i_sb->s_fs_info;

drivers/usb/gadget/function/f_fs.c

645

spin_lock_irq(&ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

646

if (ffs->state == FFS_CLOSING) {

drivers/usb/gadget/function/f_fs.c

647

spin_unlock_irq(&ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

650

if (!ffs->opened++ && ffs->state == FFS_DEACTIVATED) {

drivers/usb/gadget/function/f_fs.c

651

ffs->state = FFS_CLOSING;

drivers/usb/gadget/function/f_fs.c

652

spin_unlock_irq(&ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

653

ffs_data_reset(ffs);

drivers/usb/gadget/function/f_fs.c

655

spin_unlock_irq(&ffs->eps_lock);

drivers/usb/gadget/function/f_fs.c

657

file->private_data = ffs;

drivers/usb/gadget/function/f_fs.c

66

__ffs_data_got_descs(struct ffs_data *ffs, char *data, size_t len);

drivers/usb/gadget/function/f_fs.c

664

struct ffs_data *ffs = file->private_data;

drivers/usb/gadget/function/f_fs.c

666

ffs_data_closed(ffs);

drivers/usb/gadget/function/f_fs.c

673

struct ffs_data *ffs = file->private_data;

drivers/usb/gadget/function/f_fs.c

674

struct usb_gadget *gadget = ffs->gadget;

drivers/usb/gadget/function/f_fs.c

678

struct ffs_function *func = ffs->func;

drivers/usb/gadget/function/f_fs.c

68

__ffs_data_got_strings(struct ffs_data *ffs, char *data, size_t len);

drivers/usb/gadget/function/f_fs.c

691

struct ffs_data *ffs = file->private_data;

drivers/usb/gadget/function/f_fs.c

695

poll_wait(file, &ffs->ev.waitq, wait);

drivers/usb/gadget/function/f_fs.c

697

ret = ffs_mutex_lock(&ffs->mutex, file->f_flags & O_NONBLOCK);

drivers/usb/gadget/function/f_fs.c

701

switch (ffs->state) {

drivers/usb/gadget/function/f_fs.c

708

switch (ffs->setup_state) {

drivers/usb/gadget/function/f_fs.c

710

if (ffs->ev.count)

drivers/usb/gadget/function/f_fs.c

727

mutex_unlock(&ffs->mutex);

drivers/usb/gadget/function/f_fs.c

78

struct ffs_data *ffs;

drivers/usb/gadget/function/f_fs.c

874

if (io_data->ffs->ffs_eventfd && !kiocb_has_eventfd)

drivers/usb/gadget/function/f_fs.c

875

eventfd_signal(io_data->ffs->ffs_eventfd);

drivers/usb/gadget/function/f_fs.c

889

struct ffs_data *ffs = io_data->ffs;

drivers/usb/gadget/function/f_fs.c

894

queue_work(ffs->io_completion_wq, &io_data->work);

drivers/usb/gadget/function/f_fs.c

96

ffs_setup_state_clear_cancelled(struct ffs_data *ffs)

drivers/usb/gadget/function/f_fs.c

99

cmpxchg(&ffs->setup_state, FFS_SETUP_CANCELLED, FFS_NO_SETUP);

drivers/usb/gadget/function/f_fs.c

992

epfile->ffs->wait, (ep = epfile->ep));

drivers/usb/gadget/function/u_fs.h

48

int (*ffs_ready_callback)(struct ffs_data *ffs);

drivers/usb/gadget/function/u_fs.h

49

void (*ffs_closed_callback)(struct ffs_data *ffs);

drivers/usb/gadget/legacy/g_ffs.c

141

static int functionfs_ready_callback(struct ffs_data *ffs);

drivers/usb/gadget/legacy/g_ffs.c

142

static void functionfs_closed_callback(struct ffs_data *ffs);

drivers/usb/gadget/legacy/g_ffs.c

272

static int functionfs_ready_callback(struct ffs_data *ffs)

drivers/usb/gadget/legacy/g_ffs.c

296

static void functionfs_closed_callback(struct ffs_data *ffs)

drivers/usb/host/oxu210hp-hcd.c

2537

uframe = ffs(le32_to_cpup(&qh->hw_info2) & QH_SMASK);

drivers/usb/musb/musb_core.c

1391

size = ffs(max_t(u16, maxpacket, 8)) - 1;

drivers/usb/typec/ucsi/ucsi_huawei_gaokun.c

35

#define GET_IDX(updt) (ffs(updt) - 1)

drivers/video/fbdev/omap2/omapfb/dss/dispc-compat.c

79

seq_printf(s, "%-20s %10d\n", #x, stats.irqs[ffs(DISPC_IRQ_##x)-1])

drivers/video/fbdev/omap2/omapfb/dss/dsi.c

1561

seq_printf(s, "%-20s %10d\n", #x, stats->dsi_irqs[ffs(DSI_IRQ_##x)-1])

drivers/video/fbdev/omap2/omapfb/dss/dsi.c

1585

stats->vc_irqs[0][ffs(DSI_VC_IRQ_##x)-1], \

drivers/video/fbdev/omap2/omapfb/dss/dsi.c

1586

stats->vc_irqs[1][ffs(DSI_VC_IRQ_##x)-1], \

drivers/video/fbdev/omap2/omapfb/dss/dsi.c

1587

stats->vc_irqs[2][ffs(DSI_VC_IRQ_##x)-1], \

drivers/video/fbdev/omap2/omapfb/dss/dsi.c

1588

stats->vc_irqs[3][ffs(DSI_VC_IRQ_##x)-1]);

drivers/video/fbdev/omap2/omapfb/dss/dsi.c

1604

stats->cio_irqs[ffs(DSI_CIO_IRQ_##x)-1]);

drivers/video/fbdev/omap2/omapfb/vrfb.c

119

for (i = ffs(map); i; i = ffs(map)) {

drivers/virt/vboxguest/vboxguest_core.c

517

u32 bit = ffs(changed) - 1;

drivers/watchdog/bd9576_wdt.c

188

slowng <<= ffs(BD957X_WDG_NG_RATIO_MASK) - 1;

fs/affs/bitmap.c

206

bit = ffs(tmp & mask) - 1;

fs/ceph/caps.c

1009

const int PIN_SHIFT = ffs(CEPH_FILE_MODE_PIN);

fs/ceph/caps.c

1010

const int RD_SHIFT = ffs(CEPH_FILE_MODE_RD);

fs/ceph/caps.c

1011

const int WR_SHIFT = ffs(CEPH_FILE_MODE_WR);

fs/ceph/caps.c

1012

const int LAZY_SHIFT = ffs(CEPH_FILE_MODE_LAZY);

fs/ceph/ioctl.c

254

ci->i_nr_by_mode[ffs(CEPH_FILE_MODE_LAZY)]++;

fs/ext4/mballoc.c

823

max = ffs(first | border) - 1;

fs/f2fs/data.c

165

struct f2fs_folio_state *ffs = folio->private;

fs/f2fs/data.c

167

spin_lock_irqsave(&ffs->state_lock, flags);

fs/f2fs/data.c

168

ffs->read_pages_pending -= nr_pages;

fs/f2fs/data.c

169

finished = !ffs->read_pages_pending;

fs/f2fs/data.c

170

spin_unlock_irqrestore(&ffs->state_lock, flags);

fs/f2fs/data.c

2431

struct f2fs_folio_state *ffs = folio->private;

fs/f2fs/data.c

2433

if (ffs)

fs/f2fs/data.c

2434

return ffs;

fs/f2fs/data.c

2436

ffs = f2fs_kmem_cache_alloc(ffs_entry_slab,

fs/f2fs/data.c

2439

spin_lock_init(&ffs->state_lock);

fs/f2fs/data.c

2440

folio_attach_private(folio, ffs);

fs/f2fs/data.c

2441

return ffs;

fs/f2fs/data.c

2446

struct f2fs_folio_state *ffs;

fs/f2fs/data.c

2453

ffs = folio_detach_private(folio);

fs/f2fs/data.c

2454

if (!ffs)

fs/f2fs/data.c

2457

WARN_ON_ONCE(ffs->read_pages_pending != 0);

fs/f2fs/data.c

2458

kmem_cache_free(ffs_entry_slab, ffs);

fs/f2fs/data.c

2472

struct f2fs_folio_state *ffs;

fs/f2fs/data.c

2493

ffs = NULL;

fs/f2fs/data.c

2545

ffs = ffs_find_or_alloc(folio);

fs/f2fs/data.c

2548

spin_lock_irq(&ffs->state_lock);

fs/f2fs/data.c

2549

ffs->read_pages_pending++;

fs/f2fs/data.c

2550

spin_unlock_irq(&ffs->state_lock);

fs/fat/inode.c

1655

sbi->cluster_bits = ffs(sbi->cluster_size) - 1;

fs/fat/inode.c

1720

sbi->dir_per_block_bits = ffs(sbi->dir_per_block) - 1;

fs/gfs2/ops_fstype.c

172

if (sb->sb_bsize_shift != ffs(sb->sb_bsize) - 1) {

fs/hfs/btree.c

152

tree->node_size_shift = ffs(size) - 1;

fs/hfsplus/btree.c

237

tree->node_size_shift = ffs(size) - 1;

fs/nfsd/nfs4callback.c

1286

idx = ffs(ses->se_cb_slot_avail) - 1;

fs/ocfs2/cluster/heartbeat.c

1554

*ret_bits = ffs(bytes) - 1;

fs/orangefs/orangefs-utils.c

320

inode->i_blkbits = ffs(new_op->downcall.resp.getattr.

fs/squashfs/xz_wrapper.c

61

n = ffs(opts->dict_size) - 1;

fs/ubifs/debug.c

2579

unsigned int from, to, ffs = chance(1, 2);

fs/ubifs/debug.c

2587

ffs ? "0xFFs" : "random data");

fs/ubifs/debug.c

2589

if (ffs)

fs/xfs/libxfs/xfs_bit.c

105

return result + ffs(tmp) - 1;

fs/xfs/libxfs/xfs_bit.h

44

return ffs(v) - 1;

fs/xfs/libxfs/xfs_bit.h

54

n = ffs(w);

fs/xfs/libxfs/xfs_bit.h

58

n = ffs(w);

fs/xfs/xfs_super.c

1445

parsing_mp->m_allocsize_log = ffs(size) - 1;

fs/xfs/xfs_super.c

1865

sb->s_blocksize_bits = ffs(sb->s_blocksize) - 1;

include/linux/count_zeros.h

48

return ffs(x);

include/linux/dma/ti-cppi5.h

982

desc_hdr->pkt_info1 |= ((ffs(tr_size >> 4) - 1) <<

kernel/softirq.c

610

while ((softirq_bit = ffs(pending))) {

kernel/trace/trace_syscalls.c

553

int idx = ffs(mask) - 1;

kernel/trace/trace_syscalls.c

726

int idx = ffs(mask) - 1;

lib/tests/ffs_kunit.c

135

KUNIT_EXPECT_EQ(test, ffs(input), 0);

lib/tests/ffs_kunit.c

141

ffs_result = ffs(input);

lib/tests/ffs_kunit.c

215

validate_ffs_result(test, tc->input, ffs(tc->input),

lib/tests/ffs_kunit.c

518

CREATE_WRAPPER(ffs)

mm/readahead.c

693

align = 1UL << min(ra->order, ffs(max_pages) - 1);

mm/slab_common.c

709

align = max(align, 1U << (ffs(size) - 1));

net/core/gro.c

317

while ((i = ffs(bitmask)) != 0) {

net/dsa/tag_xrs700x.c

31

source_port = ffs((int)trailer[0]) - 1;

net/ethtool/tsconfig.c

359

if (ffs(req_tx_type) != fls(req_tx_type)) {

net/ethtool/tsconfig.c

364

hwtst_config.tx_type = ffs(req_tx_type) - 1;

net/ethtool/tsconfig.c

380

if (ffs(req_rx_filter) != fls(req_rx_filter)) {

net/ethtool/tsconfig.c

385

hwtst_config.rx_filter = ffs(req_rx_filter) - 1;

net/mac80211/airtime.c

832

rateidx = basic_rates ? ffs(basic_rates) - 1 : 0;

net/mac80211/debugfs_sta.c

708

u8 idx = ((cap[i] & msk) >> (ffs(msk) - 1)) + off; \

net/mac80211/mlme.c

4129

.link_id = ffs(sdata->vif.active_links) - 1,

net/mac80211/mlme.c

7028

BIT(ffs(new_valid_links &

net/mac80211/rate.c

660

s8 baserate = basic_rates ? ffs(basic_rates) - 1 : 0;

net/mac80211/rx.c

4358

link_id = ffs(sta->sta.valid_links) - 1;

net/mac80211/tdls.c

1560

int link_id = sta->sta.valid_links ? ffs(sta->sta.valid_links) - 1 : 0;

net/mac80211/tdls.c

1707

int link_id = sta->sta.valid_links ? ffs(sta->sta.valid_links) - 1 : 0;

net/mac80211/tx.c

6277

link = ffs(sdata->vif.active_links) - 1;

net/mac80211/util.c

1996

link_id = ffs(active_links) - 1;

net/netlink/af_netlink.c

1098

WRITE_ONCE(nlk->dst_group, ffs(nladdr->nl_groups));

net/netlink/af_netlink.c

1843

dst_group = ffs(addr->nl_groups);

net/sched/cls_flow.c

319

key = ffs(keymask) - 1;

net/sched/cls_u32.c

1129

n->fshift = s->hmask ? ffs(ntohl(s->hmask)) - 1 : 0;

net/xdp/xsk_buff_pool.c

81

pool->chunk_shift = ffs(umem->chunk_size) - 1;

sound/soc/amd/acp/acp-sdw-legacy-mach.c

210

ret = get_acp63_cpu_pin_id(ffs(soc_end->link_mask - 1),

sound/soc/amd/acp/acp-sdw-legacy-mach.c

218

ret = get_acp70_cpu_pin_id(ffs(soc_end->link_mask - 1),

sound/soc/amd/acp/acp-sdw-legacy-mach.c

230

ffs(soc_end->link_mask) - 1,

sound/soc/amd/acp/acp-sdw-legacy-mach.c

236

ffs(soc_end->link_mask) - 1,

sound/soc/amd/acp/acp-sdw-legacy-mach.c

258

int link_num = ffs(soc_end->link_mask) - 1;

sound/soc/amd/acp/acp-sdw-sof-mach.c

126

ret = get_acp63_cpu_pin_id(ffs(sof_end->link_mask - 1),

sound/soc/amd/acp/acp-sdw-sof-mach.c

134

ret = get_acp70_cpu_pin_id(ffs(sof_end->link_mask - 1),

sound/soc/amd/acp/acp-sdw-sof-mach.c

146

ffs(sof_end->link_mask) - 1,

sound/soc/amd/acp/acp-sdw-sof-mach.c

152

ffs(sof_end->link_mask) - 1,

sound/soc/amd/acp/acp-sdw-sof-mach.c

174

int link_num = ffs(sof_end->link_mask) - 1;

sound/soc/bcm/bcm2835-i2s.c

323

*ch1_pos = bcm2835_i2s_convert_slot((ffs(mask) - 1), odd_offset)

sound/soc/codecs/ab8500-codec.c

2288

slot = ffs(tx_mask);

sound/soc/codecs/ab8500-codec.c

2295

slot = ffs(tx_mask);

sound/soc/codecs/ab8500-codec.c

2329

slot = ffs(rx_mask);

sound/soc/codecs/ab8500-codec.c

2335

slot = ffs(rx_mask);

sound/soc/codecs/arizona-jack.c

908

if (lvl && ffs(lvl) - 1 < info->num_micd_ranges) {

sound/soc/codecs/arizona-jack.c

909

key = ffs(lvl) - 1;

sound/soc/codecs/arizona.c

1980

slot = ffs(mask) - 1;

sound/soc/codecs/cs35l33.c

559

slot = ffs(rx_mask) - 1;

sound/soc/codecs/cs35l33.c

570

slot = ffs(tx_mask) - 1;

sound/soc/codecs/cs35l33.c

627

slot = ffs(tx_mask) - 1;

sound/soc/codecs/cs35l34.c

280

slot = ffs(rx_mask) - 1;

sound/soc/codecs/cs35l34.c

288

slot = ffs(tx_mask) - 1;

sound/soc/codecs/cs35l34.c

330

slot = ffs(tx_mask) - 1;

sound/soc/codecs/cs4234.c

537

slot_offset = ffs(tx_mask) - 1;

sound/soc/codecs/cs48l32.c

2317

slot = ffs(mask) - 1;

sound/soc/codecs/da7219.c

1449

slot_offset = ffs(tx_mask) - 1;

sound/soc/codecs/madera.c

3306

slot = ffs(mask) - 1;

sound/soc/codecs/max98090.c

1744

max98090->tdm_lslot = ffs(rx_mask) - 1;

sound/soc/codecs/rt9123.c

219

if (!rx_mask || hweight_long(rx_mask) > 1 || ffs(rx_mask) > slots) {

sound/soc/codecs/rt9123.c

225

rx_loc = (ffs(rx_mask) - 1) * slot_width / 8;

sound/soc/codecs/rtq9124.c

202

for (i = 0; tx_mask; i++, tx_mask ^= BIT(ffs(tx_mask) - 1)) {

sound/soc/codecs/rtq9124.c

203

byte_loc = (ffs(tx_mask) - 1) * slot_width / 8;

sound/soc/codecs/rtq9124.c

208

byte_loc = (ffs(rx_mask) - 1) * slot_width / 8;

sound/soc/codecs/rtq9128.c

579

start_loc = (ffs(mask) - 1) * slot_width / 8;

sound/soc/codecs/rtq9128.c

580

mask &= ~BIT(ffs(mask) - 1);

sound/soc/codecs/rtq9128.c

590

start_loc = (ffs(mask) - 1) * slot_width / 8;

sound/soc/codecs/rtq9128.c

591

mask &= ~BIT(ffs(mask) - 1);

sound/soc/codecs/wcd939x.c

1035

rate = wcd939x_get_clk_rate(ffs(mode) - 1);

sound/soc/dwc/dwc-i2s.c

456

dev->l_reg = RSLOT_TSLOT(ffs(rx_mask) - 1);

sound/soc/intel/boards/sof_sdw.c

938

ffs(sof_end->link_mask) - 1,

sound/soc/intel/boards/sof_sdw.c

943

ffs(sof_end->link_mask) - 1);

sound/soc/intel/boards/sof_sdw.c

968

int link_num = ffs(sof_end->link_mask) - 1;

sound/soc/sdw_utils/soc_sdw_utils.c

1594

ffs(adr_link->mask) - 1, adr_dev->adr,

sound/soc/soc-component.c

41

return (ffs(mask) - 1);

sound/soc/soc-dapm.c

4026

fmt = ffs(config->formats) - 1;

sound/soc/tegra/tegra210_ahub.c

37

bit_pos = ffs(reg_val) +

sound/usb/qcom/qc_audio_offload.c

279

binterval = ffs(bus_intval_mult);

tools/perf/util/evsel.c

3777

bit = val ? ffs(val) : 0;

tools/sched_ext/scx_sdt.bpf.c

386

return (i * 64) + ffs(freeslots);

tools/testing/selftests/iommu/iommufd.c

916

EXPECT_EQ(0, iovas[i] % (1UL << (ffs(length) - 1)));

tools/testing/selftests/iommu/iommufd.c

929

EXPECT_EQ(0, iovas[i] % (1UL << (ffs(length) - 1)));

tools/testing/selftests/iommu/iommufd.c

958

EXPECT_EQ(0, iovas[i] % (1UL << (ffs(length) - 1)));

tools/testing/selftests/mm/hmm-tests.c

140

self->page_shift = ffs(self->page_size) - 1;

tools/testing/selftests/mm/hmm-tests.c

151

self->page_shift = ffs(self->page_size) - 1;

tools/testing/selftests/mm/split_huge_page_test.c

779

pageshift = ffs(pagesize) - 1;