diff options
| author | Giovanni Cabiddu <giovanni.cabiddu@intel.com> | 2021-09-28 14:44:34 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2021-10-08 15:02:42 +0300 |
| commit | c3878a786be09d3f7df17936c922be430cdd4e8e (patch) | |
| tree | 1d9f0488df16d65aff890eede6791fe1151db8b0 /drivers | |
| parent | b79c7532dc337c87365fda62914eaeb0e038160d (diff) | |
| download | linux-c3878a786be09d3f7df17936c922be430cdd4e8e.tar.xz | |
crypto: qat - use hweight for bit counting
Replace homegrown bit counting logic in adf_gen2_get_num_accels() and
adf_gen2_get_num_aes() with the functions hweight16() and hweight32(),
respectively.
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Marco Chiappero <marco.chiappero@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/crypto/qat/qat_common/adf_gen2_hw_data.c | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/drivers/crypto/qat/qat_common/adf_gen2_hw_data.c b/drivers/crypto/qat/qat_common/adf_gen2_hw_data.c index 1deeeaed9a8c..262bdc05dab4 100644 --- a/drivers/crypto/qat/qat_common/adf_gen2_hw_data.c +++ b/drivers/crypto/qat/qat_common/adf_gen2_hw_data.c @@ -54,31 +54,19 @@ EXPORT_SYMBOL_GPL(adf_gen2_disable_vf2pf_interrupts); u32 adf_gen2_get_num_accels(struct adf_hw_device_data *self) { - u32 i, ctr = 0; - if (!self || !self->accel_mask) return 0; - for (i = 0; i < self->num_accel; i++) - if (self->accel_mask & (1 << i)) - ctr++; - - return ctr; + return hweight16(self->accel_mask); } EXPORT_SYMBOL_GPL(adf_gen2_get_num_accels); u32 adf_gen2_get_num_aes(struct adf_hw_device_data *self) { - u32 i, ctr = 0; - if (!self || !self->ae_mask) return 0; - for (i = 0; i < self->num_engines; i++) - if (self->ae_mask & (1 << i)) - ctr++; - - return ctr; + return hweight32(self->ae_mask); } EXPORT_SYMBOL_GPL(adf_gen2_get_num_aes); |