fls - Linux

arch/arc/include/asm/bitops.h

90

return fls(x) - 1;

arch/arc/include/asm/bitops.h

97

#define ffs(x) ({ unsigned long __t = (x); fls(__t & -__t); })

arch/arc/kernel/mcip.c

281

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

arch/arm/include/asm/word-at-a-time.h

42

ret = fls(mask) >> 3;

arch/arm/kernel/setup.c

646

ls = fls(affinity);

arch/arm/mach-imx/tzic.c

136

irqofs = fls(stat) - 1;

arch/arm/mach-pxa/irq.c

104

handle_IRQ(PXA_IRQ(fls(mask) - 1), regs);

arch/arm/plat-orion/pcie.c

171

size = 1 << fls(size);

arch/arm/probes/uprobes/actions-arm.c

44

freereg = free = fls(free) - 1;

arch/arm/vfp/vfpdouble.c

56

int bits = 31 - fls(vd->significand >> 32);

arch/arm/vfp/vfpdouble.c

58

bits = 63 - fls(vd->significand);

arch/arm/vfp/vfpdouble.c

95

shift = 32 - fls(significand >> 32);

arch/arm/vfp/vfpdouble.c

97

shift = 64 - fls(significand);

arch/arm/vfp/vfpsingle.c

102

shift = 32 - fls(significand);

arch/arm/vfp/vfpsingle.c

56

int bits = 31 - fls(vs->significand);

arch/arm/xen/enlighten.c

488

1 << fls(sizeof(struct vcpu_info) - 1));

arch/arm64/include/asm/kvm_host.h

270

bitmap_gather(&index, &aff, &mask, fls(mask));

arch/arm64/kernel/setup.c

133

ls = fls(affinity);

arch/csky/include/asm/bitops.h

57

return fls(x) - 1;

arch/loongarch/kernel/cpu-probe.c

290

switch (BIT(fls(c->isa_level) - 1)) {

arch/m68k/include/asm/bitops.h

554

return fls(x) - 1;

arch/m68k/mm/mcfmmu.c

173

m68k_virt_to_node_shift = fls(_ramend - 1) - 6;

arch/m68k/mm/motorola.c

472

m68k_virt_to_node_shift = fls(max_addr - min_addr) - 6;

arch/mips/cavium-octeon/octeon-irq.c

2981

do_IRQ(fls(cop0_cause) - 9 + MIPS_CPU_IRQ_BASE);

arch/mips/include/asm/bitops.h

466

return fls(word & -word);

arch/mips/kernel/cpu-probe.c

796

core >>= fls(core_nvpes()) - 1;

arch/mips/kernel/pm-cps.c

582

uasm_i_andi(&p, GPR_V0, GPR_T1, (1 << fls(smp_num_siblings)) - 1);

arch/mips/kernel/traps.c

2339

ebase_pa = memblock_phys_alloc(vec_size, 1 << fls(vec_size));

arch/mips/kernel/traps.c

2342

__func__, vec_size, 1 << fls(vec_size));

arch/mips/loongson2ef/common/mem.c

26

bit = fls(memsize + highmemsize);

arch/mips/pci/pci-lantiq.c

88

bar11mask = (0x0ffffff0 & ~((1 << (fls(mem) - 1)) - 1)) | 8;

arch/mips/rb532/irq.c

224

group = 21 + (fls(ip) - 32);

arch/mips/rb532/irq.c

230

pend = 39 + (fls(pend) - 32);

arch/powerpc/mm/book3s32/mmu.c

106

unsigned int block_shift = (fls(top - base) - 1) & 31;

arch/powerpc/net/bpf_jit_comp32.c

107

int old = 32 - fls(ctx->seen & (nvreg_mask & 0xaaaaaaab));

arch/powerpc/net/bpf_jit_comp32.c

108

int new = 32 - fls(~ctx->seen & (SEEN_VREG_MASK & 0xaaaaaaaa));

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/sysdev/xive/native.c

672

order = fls(max_vcpus) - 1;

arch/riscv/kvm/vcpu_onereg.c

351

if (fls(reg_val) >= RISCV_ISA_EXT_BASE)

arch/sparc/include/asm/bitops_64.h

26

int __attribute_const__ fls(unsigned int word);

arch/x86/events/intel/core.c

4729

if (num > fls(x86_pmu.lbr_counters))

arch/x86/events/intel/core.c

6841

return snprintf(buf, PAGE_SIZE, "%d\n", fls(x86_pmu.lbr_counters));

arch/x86/events/intel/lbr.c

1601

lbr_nr = fls(eax.split.lbr_depth_mask) * 8;

arch/x86/events/perf_event.h

1853

return fls((u32)hybrid(pmu, pebs_events_mask));

drivers/accessibility/speakup/synth.c

229

int nbytes = 8 - fls(c ^ 0xff);

drivers/acpi/pmic/intel_pmic_bxtwc.c

333

count = fls(bsr_num) - 1;

drivers/ata/acard-ahci.c

410

n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));

drivers/ata/ahci.c

2070

n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));

drivers/ata/ahci_brcm.c

224

if (fls(impl) > SATA_TOP_MAX_PHYS)

drivers/ata/libahci_platform.c

735

n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));

drivers/ata/libata-core.c

1025

highbit = fls(xfer_mask) - 1;

drivers/ata/libata-core.c

3414

highbit = fls(pio_mask) - 1;

drivers/ata/libata-core.c

3420

highbit = fls(udma_mask) - 1;

drivers/ata/libata-core.c

3425

highbit = fls(mwdma_mask) - 1;

drivers/ata/libata-core.c

928

int highbit = fls(xfer_mask) - 1;

drivers/ata/libata-sata.c

456

target = fls(limit);

drivers/ata/libata-sata.c

562

bit = fls(mask) - 1;

drivers/ata/libata-sata.c

595

sata_spd_string(fls(mask)));

drivers/ata/libata-transport.c

625

ata_link_linkspeed_attr(hw_sata_spd_limit, fls);

drivers/ata/libata-transport.c

626

ata_link_linkspeed_attr(sata_spd_limit, fls);

drivers/ata/sata_highbank.c

520

n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));

drivers/block/brd.c

382

max_part = 1UL << fls(max_part);

drivers/block/loop.c

2253

part_shift = fls(max_part);

drivers/block/nbd.c

2656

part_shift = fls(max_part);

drivers/bus/brcmstb_gisb.c

477

last = fls(gdev->valid_mask) - 1;

drivers/bus/ti-sysc.c

1069

best_mode = fls(ddata->cfg.sidlemodes) - 1;

drivers/bus/ti-sysc.c

1091

best_mode = fls(ddata->cfg.midlemodes) - 1;

drivers/char/random.c

1193

bits = min(fls(delta >> 1), 11);

drivers/clk/at91/clk-programmable.c

165

shift = fls(div) - 1;

drivers/clk/clk-milbeaut.c

297

u32 write_en = BIT(fls(mux->mask) - 1);

drivers/clk/clk-mux.c

163

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

drivers/clk/qcom/clk-alpha-pll.c

1243

return parent_rate >> fls(ctl);

drivers/clk/qcom/clk-alpha-pll.c

1287

div = 1 << fls(ctl);

drivers/clk/renesas/rzg2l-cpg.c

416

div_hw_data->width = fls(max) - 1;

drivers/clk/st/clkgen-pll.c

737

div->width = fls(pll_data->odf[odf].mask);

drivers/clk/tegra/clk-tegra210.c

1631

u32 i = fls(p);

drivers/clk/ti/clkctrl.c

377

mux->mask = (1 << fls(mux->mask)) - 1;

drivers/clk/ti/divider.c

53

mask = fls(max_val) - 1;

drivers/clk/ti/divider.c

57

divider->mask = (1 << fls(mask)) - 1;

drivers/clk/ti/mux.c

207

mask = (1 << fls(mask)) - 1;

drivers/clk/ti/mux.c

246

mux->mask = (1 << fls(mux->mask)) - 1;

drivers/clk/ti/mux.c

276

mux->mask = (1 << fls(mux->mask)) - 1;

drivers/clk/zynqmp/divider.c

151

width = fls(divider->max_div);

drivers/clocksource/arm_arch_timer.c

750

lsb = fls(evt_stream_div) - 1;

drivers/clocksource/samsung_pwm_timer.c

107

bits = (fls(divisor) - 1) - pwm.variant.div_base;

drivers/clocksource/samsung_pwm_timer.c

381

channel = fls(mask) - 1;

drivers/clocksource/samsung_pwm_timer.c

389

channel = fls(mask) - 1;

drivers/crypto/nx/nx-common-pseries.c

155

int bucket = fls(time);

drivers/dma/at_hdmac.c

312

*maxburst = fls(*maxburst) - 2;

drivers/dma/dma-axi-dmac.c

1037

mask = 32 + fls(mask);

drivers/dma/dw/dw.c

73

return maxburst > 1 ? fls(maxburst) - 2 : 0;

drivers/dma/dw/idma32.c

204

return maxburst > 1 ? fls(maxburst) - 1 : 0;

drivers/dma/imx-sdma.c

956

int channel = fls(stat) - 1;

drivers/dma/mpc512x_dma.c

325

while ((ch = fls(status) - 1) >= 0) {

drivers/dma/tegra186-gpc-dma.c

118

(GENMASK((fls(bs) - 2), 0) << TEGRA_GPCDMA_MMIOSEQ_BURST_SHIFT)

drivers/dma/tegra210-adma.c

648

return fls(burst_size) << ADMA_CH_CONFIG_BURST_SIZE_SHIFT;

drivers/dma/xilinx/xilinx_dma.c

2990

xdev->common.copy_align = (enum dmaengine_alignment)fls(width - 1);

drivers/dma/xilinx/xilinx_dpdma.c

1774

ddev->copy_align = fls(XILINX_DPDMA_ALIGN_BYTES - 1);

drivers/edac/amd64_edac.c

1254

msb = fls(mask) - 1;

drivers/gpio/gpio-bcm-kona.c

296

res = fls(debounce) - 1;

drivers/gpio/gpio-htc-egpio.c

292

ei->bus_shift = fls(pdata->bus_width - 1) - 3;

drivers/gpio/gpio-htc-egpio.c

298

ei->reg_shift = fls(pdata->reg_width - 1);

drivers/gpio/gpio-menz127.c

59

rnd = fls(debounce) - 1;

drivers/gpio/gpio-mxc.c

260

int irqoffset = fls(irq_stat) - 1;

drivers/gpio/gpio-mxs.c

156

int irqoffset = fls(irq_stat) - 1;

drivers/gpio/gpio-pca953x.c

253

return fls((chip->gpio_chip.ngpio - 1) / BANK_SZ);

drivers/gpio/gpio-stp-xway.c

266

chip->gc.ngpio = fls(chip->groups) * 8;

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

593

fls(adev->pm.pcie_mlw_mask)) - 1;

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

596

fls(adev->pm.pcie_gen_mask &

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

1048

dev_info->pcie_gen = fls(pcie_gen_mask);

drivers/gpu/drm/amd/amdgpu/sdma_v7_1.c

1293

for (xcc_id = 0; xcc_id < fls(adev->gfx.xcc_mask); xcc_id++) {

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

774

last_vmid_kfd = fls(gpu_resources->compute_vmid_bitmap)-1;

drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c

921

index = fls(hwmgr->workload_mask);

drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c

926

index = fls(hwmgr->workload_mask);

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

298

index = fls(hwmgr->workload_mask);

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

980

high = mask ? (fls(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/smu7_hwmgr.c

4952

fls(tmp) - 1,

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

4281

data->smc_state_table.gfx_max_level = mask ? (fls(mask) - 1) : 0;

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

4294

data->smc_state_table.mem_max_level = mask ? (fls(mask) - 1) : 0;

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

4308

data->smc_state_table.soc_max_level = mask ? (fls(mask) - 1) : 0;