arch/arm/kernel/hw_breakpoint.c

709

lene = __fls(ctrl->len);

arch/arm/kernel/module.c

65

shift = val ? (31 - __fls(val)) & ~1 : 32;

arch/arm/mach-dove/irq.c

50

unsigned int hwirq = 1 + __fls(stat);

arch/arm/mach-dove/irq.c

57

unsigned int hwirq = 33 + __fls(stat);

arch/arm/mach-mv78xx0/irq.c

34

unsigned int hwirq = __fls(stat);

arch/arm/mach-mv78xx0/irq.c

41

unsigned int hwirq = 32 + __fls(stat);

arch/arm/mach-mv78xx0/irq.c

48

unsigned int hwirq = 64 + __fls(stat);

arch/arm/mach-orion5x/irq.c

34

unsigned int hwirq = 1 + __fls(stat);

arch/arm/mm/dma-mapping.c

897

if (__fls(count) < order) {

arch/arm/mm/pmsa-v7.c

151

phys_addr_t p2size = 1 << __fls(asize);

arch/arm/mm/pmsa-v7.c

213

phys_addr_t p2size = (1 << __fls(diff)) - 1;

arch/arm64/include/asm/kvm_host.h

951

BUILD_BUG_ON((sizeof(*_fset) * 8) <= __fls(m)); \

arch/arm64/kernel/hw_breakpoint.c

720

lene = __fls(ctrl->len);

arch/arm64/kvm/mmu.c

1303

phys_addr_t end = (base_gfn + __fls(mask) + 1) << PAGE_SHIFT;

arch/loongarch/kvm/mmu.c

368

gfn_t end = base_gfn + __fls(mask) + 1;

arch/mips/include/asm/bitops.h

398

return __fls(word & -word);

arch/mips/kvm/mmu.c

420

gfn_t end = base_gfn + __fls(mask);

arch/mips/lantiq/irq.c

302

irq = __fls(irq);

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

46

return ~1ul << __fls(mask);

arch/riscv/kvm/mmu.c

109

phys_addr_t end = (base_gfn + __fls(mask) + 1) << PAGE_SHIFT;

arch/riscv/kvm/vcpu_pmu.c

270

if (!ctr_mask || (ctr_base + __fls(ctr_mask) >= kvm_pmu_num_counters(kvpmu)))

arch/s390/boot/printk.c

59

char *p = dst + max(pad, (int)__fls(val | 1) / 4 + 1);

arch/s390/include/asm/word-at-a-time.h

23

return __fls(data);

arch/s390/kvm/interrupt.c

1706

isc = __fls(active_mask) ^ (BITS_PER_LONG - 1);

arch/s390/lib/find.c

35

return result + (__fls(tmp) ^ (BITS_PER_LONG - 1));

arch/s390/lib/find.c

74

return result + (__fls(tmp) ^ (BITS_PER_LONG - 1));

arch/sparc/include/asm/bitops_64.h

27

int __attribute_const__ __fls(unsigned long word);

arch/x86/include/asm/apic.h

529

return __fls(*reg) + vec;

arch/x86/kernel/apic/x2apic_uv_x.c

1390

last = (base + __fls(bits)) & mask;

arch/x86/kernel/cpu/mtrr/cleanup.c

239

align = __fls(range_sizek);

arch/x86/kvm/emulate.c

479

return (__fls(stack_mask(ctxt)) + 1) >> 3;

arch/x86/kvm/lapic.c

691

max_updated_irr = __fls(irr_val ^ prev_irr_val) + vec;

arch/x86/kvm/lapic.c

694

*max_irr = __fls(irr_val) + vec;

arch/x86/kvm/mmu/mmu.c

1440

gfn_t end = slot->base_gfn + gfn_offset + __fls(mask);

drivers/bus/mhi/host/init.c

73

index = __fls(state);

drivers/bus/mhi/host/trace.h

164

pm_state = __fls(pm_state);

drivers/clk/clk-eyeq.c

157

shift = __fls(biggest) - (BITS_PER_BYTE * sizeof(unsigned int)) + 1;

drivers/clk/sunxi/clk-usb.c

162

reset_data->rcdev.nr_resets = __fls(data->reset_mask) + 1;

drivers/crypto/inside-secure/safexcel.c

100

delta = 1 << __fls(addrmid);

drivers/crypto/inside-secure/safexcel.c

234

cs_ht_sz = __fls(asize - cs_rc_max) - 2;

drivers/dma/idma64.c

404

*maxburst = __fls(*maxburst);

drivers/dma/ti/cppi41.c

338

q_num = __fls(val);

drivers/edac/amd64_edac.c

1703

tmp_addr = (addr & GENMASK_ULL(23, 12)) << __fls(intlv_en + 1);

drivers/firmware/efi/libstub/gop.c

200

return __fls(mask) - __ffs(mask) + 1;

drivers/firmware/efi/libstub/gop.c

368

*size = __fls(mask) - *pos + 1;

drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c

801

st->color_depth = __fls(avail_depths);

drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c

182

info->bpc = __fls(kcrtc->master->improc->supported_color_depths);

drivers/gpu/drm/arm/malidp_planes.c

432

u32 largest_pgsize = 1 << __fls(pgsizes);

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

63

GEM_WARN_ON(eu_mask && __fls(eu_mask) >= sseu->max_eus_per_subslice);

drivers/gpu/drm/msm/msm_iommu.c

56

pgsizes = pagetable->pgsize_bitmap & GENMASK(__fls(size), 0);

drivers/gpu/drm/msm/msm_iommu.c

66

pgsize_idx = __fls(pgsizes);

drivers/gpu/drm/ttm/ttm_pool.c

706

return min_t(unsigned int, highest, __fls(alloc->remaining_pages));

drivers/gpu/drm/xe/xe_gt_topology.c

116

xe_assert(xe, !mask || patternbits * (__fls(mask) + 1) <= XE_MAX_L3_BANK_MASK_BITS);

drivers/gpu/drm/xe/xe_pci_sriov.c

94

return pci_iov_vf_bar_set_size(pdev, VF_LMEM_BAR, __fls(sizes));

drivers/hwmon/macsmc-hwmon.c

241

exp = __fls(val);

drivers/hwmon/pmbus/adm1275.c

798

BIT(__fls(avg)) != avg) {

drivers/hwmon/pmbus/adm1275.c

815

BIT(__fls(avg)) != avg) {

drivers/hwmon/tmp401.c

425

rate = 7 - __fls(val * 4 / (125 * 3));

drivers/hwmon/tmp464.c

279

rate = 7 - __fls(interval * 4 / (125 * 3));

drivers/hwmon/w83773g.c

168

rate = 8 - __fls((val * 8 / (625 * 7)));

drivers/i2c/busses/i2c-nomadik.c

1062

mask, speed_mode << __fls(mask));

drivers/i2c/busses/i2c-st.c

570

it = __fls(sta & ien);

drivers/infiniband/core/verbs.c

3166

biter->__pg_bit = __fls(pgsz);

drivers/infiniband/hw/mlx5/qp.c

1953

log_max_size = __fls(supported_size_mask);

drivers/iommu/amd/iommu.c

1793

int size_alignment = __fls(size);

drivers/iommu/dma-iommu.c

899

for (order_mask &= GENMASK(__fls(count), 0);

drivers/iommu/dma-iommu.c

901

unsigned int order = __fls(order_mask);

drivers/iommu/io-pgtable-arm-selftests.c

136

size = 1UL << __fls(cfg->pgsize_bitmap);

drivers/iommu/io-pgtable-arm.c

888

granule = 1UL << __fls(cfg->pgsize_bitmap & ~PAGE_MASK);

drivers/iommu/iommu.c

2529

pgsizes = domain->pgsize_bitmap & GENMASK(__fls(size), 0);

drivers/iommu/iommu.c

2539

pgsize_idx = __fls(pgsizes);

drivers/irqchip/irq-csky-apb-intc.c

140

generic_handle_domain_irq(root_domain, irq_base + __fls(hwirq));

drivers/irqchip/irq-goldfish-pic.c

43

hwirq = __fls(pending);

drivers/irqchip/irq-idt3243x.c

38

hwirq = __fls(pending);

drivers/irqchip/irq-ingenic.c

50

int bit = __fls(pending);

drivers/irqchip/irq-mscc-ocelot.c

113

u32 hwirq = __fls(reg);

drivers/irqchip/irq-orion.c

117

u32 hwirq = __fls(stat);

drivers/irqchip/irq-orion.c

44

u32 hwirq = __fls(stat);

drivers/irqchip/irq-rda-intc.c

55

hwirq = __fls(stat);

drivers/irqchip/irq-riscv-imsic-state.c

599

global->hart_index_bits = __fls(*nr_parent_irqs);

drivers/md/dm-crypt.c

1690

unsigned remaining_order = __fls((remaining_size + PAGE_SIZE - 1) >> PAGE_SHIFT);

drivers/md/dm-flakey.c

457

unsigned remaining_order = __fls((remaining_size + PAGE_SIZE - 1) >> PAGE_SHIFT);

drivers/md/dm-integrity.c

2074

unsigned int log2_max_io_len = __fls(ti->max_io_len);

drivers/md/dm-integrity.c

4187

ic->sb->log2_interleave_sectors = __fls(interleave_sectors);

drivers/md/dm-integrity.c

4864

ic->log2_buffer_sectors = min((int)__fls(buffer_sectors), 31 - SECTOR_SHIFT);

drivers/md/dm-integrity.c

5159

log2_sectors_per_bitmap_bit = __fls(DEFAULT_SECTORS_PER_BITMAP_BIT);

drivers/md/dm-verity-target.c

1581

__fls((1 << v->hash_dev_block_bits) / v->digest_size);

drivers/md/dm-verity-target.c

732

cluster = 1 << __fls(cluster);

drivers/media/i2c/ccs/ccs-core.c

1137

V4L2_CID_LINK_FREQ, __fls(*valid_link_freqs),

drivers/media/i2c/ccs/ccs-core.c

2238

__fls(*valid_link_freqs), ~*valid_link_freqs,

drivers/media/i2c/imx283.c

1323

__fls(imx283->link_freq_bitmap),

drivers/media/i2c/imx334.c

1176

__fls(imx334->link_freq_bitmap),

drivers/media/i2c/imx334.c

836

__fls(imx334->link_freq_bitmap),

drivers/media/i2c/imx335.c

1404

__fls(imx335->link_freq_bitmap),

drivers/media/i2c/imx335.c

943

__fls(imx335->link_freq_bitmap),

drivers/media/i2c/ov08x40.c

2101

__fls(ov08x->link_freq_bitmap),

drivers/media/pci/intel/ipu6/ipu6-dma.c

72

int j, order = __fls(count);

drivers/media/v4l2-core/v4l2-common.c

140

unsigned int wmaxa = __fls(wmax ^ (wmin - 1));

drivers/media/v4l2-core/v4l2-common.c

142

unsigned int hmaxa = __fls(hmax ^ (hmin - 1));

drivers/memory/emif.c

348

emif_bus_width = __fls(emif_bus_width) - 1;

drivers/memory/emif.c

394

timeout = __fls(timeout) - 3;

drivers/memory/emif.c

898

dev_info->density = __fls(density) - 5;

drivers/memory/emif.c

904

dev_info->io_width = __fls(io_width) - 1;

drivers/mmc/host/mmci_stm32_sdmmc.c

532

dlyb->max = __fls(lng);

drivers/net/ethernet/airoha/airoha_eth.c

2355

val = min_t(u32, __fls(val), MAX_TOKEN_SIZE_OFFSET);

drivers/net/ethernet/airoha/airoha_eth.c

2474

val = min_t(u32, __fls(val), MAX_TOKEN_SIZE_OFFSET);

drivers/net/ethernet/freescale/fec_main.c

4927

unsigned dsize_log2 = __fls(dsize);

drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c

3418

shift_count = (8 - __fls(var_len_off_mask));

drivers/net/ethernet/ti/am65-cpsw-nuss.c

2310

tx_chn->dsize_log2 = __fls(hdesc_size_out);

drivers/net/ethernet/ti/am65-cpsw-nuss.c

2420

rx_chn->dsize_log2 = __fls(hdesc_size_out);

drivers/net/ipa/gsi.c

1918

channel_id = __fls(mask);

drivers/net/ipa/gsi.c

1945

channel_id = __fls(mask);

drivers/net/phy/phylink.c

471

matched_caps = GENMASK(__fls(caps), __fls(MAC_10HD));

drivers/net/phy/phylink.c

480

matched_caps = GENMASK(__fls(caps), __fls(MAC_10HD));

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

3683

if (!rx_tid->rx_frag_bitmap || (frag_no > __fls(rx_tid->rx_frag_bitmap)))

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

1201

if ((!rx_tid->rx_frag_bitmap || frag_no > __fls(rx_tid->rx_frag_bitmap)))

drivers/net/wireless/realtek/rtl8xxxu/core.c

4733

rate_idx = __fls(rate_cfg);

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

3697

fls = __fls(reg->mask);

drivers/net/wireless/realtek/rtw88/rtw8822c.c

3494

val_integerd_b = __fls(val) + 1;

drivers/net/wireless/realtek/rtw89/phy.c

568

c = __fls(rate_ctrl);

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

970

regmap_write(pbus_regmap, args[1], GENMASK(31, __fls(size)));

drivers/pci/controller/pcie-mediatek.c

863

regmap_write(pbus_regmap, args[1], GENMASK(31, __fls(size)));

drivers/pci/pcie/bwctrl.c

75

return __fls(supported_speeds);

drivers/pci/pcie/bwctrl.c

95

__fls(PCI_EXP_LNKCAP2_SLS_2_5GB));

drivers/pci/rebar.c

167

return __fls(sizes);

drivers/rapidio/devices/tsi721.h

167

#define TSI721_IDQ_SIZE_VAL(size) (__fls(size) - 4)

drivers/rapidio/devices/tsi721.h

191

#define TSI721_IBWIN_SIZE(size) (__fls(size) - 12)

drivers/rapidio/devices/tsi721.h

236

#define TSI721_OBWIN_SIZE(size) (__fls(size) - 15)

drivers/rapidio/devices/tsi721.h

314

#define TSI721_DMAC_DSSZ_SIZE(size) (__fls(size) - 4)

drivers/reset/reset-rzg2l-usbphy-ctrl.c

176

field.msb = __fls(args[1]);

drivers/soc/ixp4xx/ixp4xx-qmgr.c

151

i = __fls(en_bitmap); /* number of the last "low" queue */

drivers/soc/ixp4xx/ixp4xx-qmgr.c

177

i = __fls(req_bitmap); /* number of the last "high" queue */

drivers/soc/ixp4xx/ixp4xx-qmgr.c

196

i = __fls(req_bitmap); /* number of the last queue */

drivers/staging/media/ipu3/ipu3-dmamap.c

53

for (order_mask &= (2U << __fls(count)) - 1;

drivers/staging/media/ipu3/ipu3-dmamap.c

55

unsigned int order = __fls(order_mask);

drivers/staging/media/ipu7/ipu7-dma.c

72

int j, order = __fls(count);

drivers/usb/host/octeon-hcd.c

1926

channel = __fls(usb->idle_hardware_channels);

drivers/usb/host/octeon-hcd.c

3021

channel = __fls(usbc_haint.u32);

drivers/vfio/vfio_iommu_type1.c

2990

if (__ffs(dirty.flags) != __fls(dirty.flags))

fs/gfs2/glock.c

1311

max_shift = BITS_PER_LONG - 2 - __fls(GL_GLOCK_HOLD_INCR);

include/asm-generic/bitops/fls64.h

31

return __fls(x) + 1;

include/asm-generic/word-at-a-time.h

50

#define zero_bytemask(mask) (~1ul << __fls(mask))

include/linux/find.h

411

return val ? __fls(val) : size;

include/linux/mm.h

4839

#define PP_DMA_INDEX_SHIFT (1 + __fls(PP_SIGNATURE - POISON_POINTER_DELTA))

include/linux/turris-omnia-mcu-interface.h

323

return ((__fls(mask) >> 3) << interleaved) + 1 + offset;

include/net/ipv6.h

764

return i * 32 + 31 - __fls(ntohl(xb));

include/net/ipv6.h

797

return i * 64 + 63 - __fls(be64_to_cpu(xb));

include/sound/pcm_params.h

60

return __fls(mask->bits[i]) + (i << 5);

lib/closure.c

22

flags & CLOSURE_GUARD_MASK, (unsigned) __fls(r)))

lib/closure.c

27

flags & ~CLOSURE_DESTRUCTOR, (unsigned) __fls(flags));

lib/find_bit.c

237

return idx * BITS_PER_LONG + __fls(val);

lib/lz4/lz4defs.h

191

return (BITS_PER_LONG - 1 - __fls(val)) >> 3;

lib/math/int_sqrt.c

27

m = 1UL << (__fls(x) & ~1UL);

lib/tests/ffs_kunit.c

144

fls_0based = __fls(input);

lib/tests/ffs_kunit.c

234

validate_ffs_result(test, tc->input, __fls(tc->input),

lib/tests/ffs_kunit.c

521

CREATE_WRAPPER(__fls)

net/dsa/user.c

2230

new_prio = __fls(mask);

net/dsa/user.c

2316

new_prio = __fls(mask);

net/dsa/user.c

2373

new_prio = mask ? __fls(mask) : 0;

net/ipv4/fib_trie.c

1125

tn = tnode_new(key, __fls(key ^ n->key), 1);

net/sched/sch_qfq.c

1406

mask = ~((1UL << __fls(mask)) - 1);

net/sched/sch_qfq.c

1458

max_cl_shift = __fls(max_classes);

net/sched/sch_qfq.c

246

index = __fls(size_map) + 1; /* basically a log_2 */

security/selinux/ss/ebitmap.c

239

__fls(n2->maps[i]);

sound/core/pcm_native.c

3203

order = __fls(border) - __fls(runtime->buffer_size);

sound/soc/apple/mca.c

388

mask &= ~(1 << __fls(mask));

sound/soc/codecs/pcm186x.c

443

last_slot = __fls(tx_mask);

sound/soc/codecs/rt1011.c

1944

last_bit = __fls(tx_mask);

sound/soc/codecs/tas2552.c

454

if ((lsb + 1) != __fls(tx_mask)) {

sound/soc/codecs/tas6424.c

229

last_slot = __fls(rx_mask);

sound/soc/codecs/tlv320adcx140.c

898

if (tx_mask != GENMASK(__fls(tx_mask), 0)) {

sound/soc/codecs/tlv320aic3x.c

1341

if ((lsb + 1) != __fls(tx_mask)) {

sound/soc/intel/avs/board_selection.c

579

(unsigned long)__fls(mach->mach_params.i2s_link_mask));

sound/soc/intel/catpt/pcm.c

816

return volume ? __fls(volume) : 0;

sound/soc/sof/intel/hda-mlink.c

1024

if (__fls(mask) > h2link->slcount) {

sound/soc/sof/intel/hda-mlink.c

865

hchan = __fls(channel_mask);

tools/include/asm-generic/bitops/fls64.h

31

return __fls(x) + 1;

tools/testing/selftests/powerpc/primitives/load_unaligned_zeropad.c

24

static inline unsigned long __fls(unsigned long x);

tools/testing/selftests/powerpc/primitives/word-at-a-time.h

46

return ~1ul << __fls(mask);

virt/kvm/dirty_ring.c

66

if (!memslot || (offset + __fls(mask)) >= memslot->npages)