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>
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);