Commit 8b5b80db authored by Giovanni Cabiddu's avatar Giovanni Cabiddu Committed by Herbert Xu
Browse files

crypto: qat - remove writes into WQCFG 



WQCFG registers contain the correct values after reset in all
generations of QAT. No need to write into them.

Signed-off-by: default avatarGiovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: default avatarFiona Trahe <fiona.trahe@intel.com>
Reviewed-by: default avatarWojciech Ziemba <wojciech.ziemba@intel.com>
Reviewed-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 59ab4d9a

drivers/crypto/qat/qat_common/adf_hw_arbiter.c

+0 −13
Original line number Diff line number Diff line
@@ -11,7 +11,6 @@ 
#define ADF_ARB_REG_SLOT 0x1000

#define ADF_ARB_WTR_OFFSET 0x010

#define ADF_ARB_RO_EN_OFFSET 0x090

#define ADF_ARB_WQCFG_OFFSET 0x100

#define ADF_ARB_WRK_2_SER_MAP_OFFSET 0x180

#define ADF_ARB_RINGSRVARBEN_OFFSET 0x19C
@@ -28,10 +27,6 @@ 
	ADF_ARB_WRK_2_SER_MAP_OFFSET) + \

	(ADF_ARB_REG_SIZE * index), value)



#define WRITE_CSR_ARB_WQCFG(csr_addr, index, value) \

	ADF_CSR_WR(csr_addr, (ADF_ARB_OFFSET + \

	ADF_ARB_WQCFG_OFFSET) + (ADF_ARB_REG_SIZE * index), value)



int adf_init_arb(struct adf_accel_dev *accel_dev)

{

	struct adf_hw_device_data *hw_data = accel_dev->hw_device;
@@ -45,10 +40,6 @@ int adf_init_arb(struct adf_accel_dev *accel_dev) 
	for (arb = 0; arb < ADF_ARB_NUM; arb++)

		WRITE_CSR_ARB_SARCONFIG(csr, arb, arb_cfg);



	/* Setup worker queue registers */

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

		WRITE_CSR_ARB_WQCFG(csr, i, i);



	/* Map worker threads to service arbiters */

	hw_data->get_arb_mapping(accel_dev, &thd_2_arb_cfg);
@@ -84,10 +75,6 @@ void adf_exit_arb(struct adf_accel_dev *accel_dev) 
	for (i = 0; i < ADF_ARB_NUM; i++)

		WRITE_CSR_ARB_SARCONFIG(csr, i, 0);



	/* Shutdown work queue */

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

		WRITE_CSR_ARB_WQCFG(csr, i, 0);



	/* Unmap worker threads to service arbiters */

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

		WRITE_CSR_ARB_WRK_2_SER_MAP(csr, i, 0);