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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>
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@ -54,31 +54,19 @@ EXPORT_SYMBOL_GPL(adf_gen2_disable_vf2pf_interrupts);
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u32 adf_gen2_get_num_accels(struct adf_hw_device_data *self)
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u32 adf_gen2_get_num_accels(struct adf_hw_device_data *self)
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{
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{
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u32 i, ctr = 0;
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if (!self || !self->accel_mask)
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if (!self || !self->accel_mask)
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return 0;
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return 0;
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for (i = 0; i < self->num_accel; i++)
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return hweight16(self->accel_mask);
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if (self->accel_mask & (1 << i))
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ctr++;
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return ctr;
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}
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}
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EXPORT_SYMBOL_GPL(adf_gen2_get_num_accels);
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EXPORT_SYMBOL_GPL(adf_gen2_get_num_accels);
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u32 adf_gen2_get_num_aes(struct adf_hw_device_data *self)
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u32 adf_gen2_get_num_aes(struct adf_hw_device_data *self)
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{
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{
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u32 i, ctr = 0;
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if (!self || !self->ae_mask)
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if (!self || !self->ae_mask)
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return 0;
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return 0;
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for (i = 0; i < self->num_engines; i++)
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return hweight32(self->ae_mask);
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if (self->ae_mask & (1 << i))
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ctr++;
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return ctr;
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}
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}
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EXPORT_SYMBOL_GPL(adf_gen2_get_num_aes);
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EXPORT_SYMBOL_GPL(adf_gen2_get_num_aes);
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