Commit c3878a78 authored by Giovanni Cabiddu's avatar Giovanni Cabiddu Committed by Herbert Xu
Browse files

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: default avatarGiovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: default avatarMarco Chiappero <marco.chiappero@intel.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent b79c7532

drivers/crypto/qat/qat_common/adf_gen2_hw_data.c

+2 −14
Original line number Original line Diff line number Diff line
@@ -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 adf_gen2_get_num_accels(struct adf_hw_device_data *self)

{

{

	u32 i, ctr = 0;



	if (!self || !self->accel_mask)

	if (!self || !self->accel_mask)

		return 0;

		return 0;





	for (i = 0; i < self->num_accel; i++)

	return hweight16(self->accel_mask);

		if (self->accel_mask & (1 << i))

			ctr++;



	return ctr;

}

}

EXPORT_SYMBOL_GPL(adf_gen2_get_num_accels);

EXPORT_SYMBOL_GPL(adf_gen2_get_num_accels);





u32 adf_gen2_get_num_aes(struct adf_hw_device_data *self)

u32 adf_gen2_get_num_aes(struct adf_hw_device_data *self)

{

{

	u32 i, ctr = 0;



	if (!self || !self->ae_mask)

	if (!self || !self->ae_mask)

		return 0;

		return 0;





	for (i = 0; i < self->num_engines; i++)

	return hweight32(self->ae_mask);

		if (self->ae_mask & (1 << i))

			ctr++;



	return ctr;

}

}

EXPORT_SYMBOL_GPL(adf_gen2_get_num_aes);

EXPORT_SYMBOL_GPL(adf_gen2_get_num_aes);