From: Giovanni Cabiddu Date: Mon, 12 Oct 2020 20:38:29 +0000 (+0100) Subject: crypto: qat - remove writes into WQCFG X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=8b5b80db8b85a78929fb0ad50acea32eeefa7ebd;p=linux.git 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: Giovanni Cabiddu Reviewed-by: Fiona Trahe Reviewed-by: Wojciech Ziemba Reviewed-by: Andy Shevchenko Signed-off-by: Herbert Xu --- diff --git a/drivers/crypto/qat/qat_common/adf_hw_arbiter.c b/drivers/crypto/qat/qat_common/adf_hw_arbiter.c index d4162783f9705..cbb9f0b8ff74b 100644 --- a/drivers/crypto/qat/qat_common/adf_hw_arbiter.c +++ b/drivers/crypto/qat/qat_common/adf_hw_arbiter.c @@ -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);