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crypto: qat - use hweight for bit counting

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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>
This commit is contained in:
Giovanni Cabiddu 2021-09-28 12:44:34 +01:00 • committed by Herbert Xu
parent b79c7532dc
commit c3878a786b
1 changed files with 2 additions and 14 deletions
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16
drivers/crypto/qat/qat_common/adf_gen2_hw_data.c
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@ -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);