From 264f590f2beb80d29dc33d5b60f93d2787f429b8 Mon Sep 17 00:00:00 2001
From: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Date: Mon, 12 Oct 2020 21:38:39 +0100
Subject: [PATCH] crypto: qat - remove hardcoded bank irq clear flag mask
Git-commit: 264f590f2beb80d29dc33d5b60f93d2787f429b8
References: jsc#SLE-14454
Patch-mainline: v5.11-rc1
Replace hardcoded value of the bank interrupt clear flag mask with a
value calculated on the fly which is based on the number of rings
present in a bank. This is to support devices that have a number of
rings per bank different than 16.
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Wojciech Ziemba <wojciech.ziemba@intel.com>
Reviewed-by: Fiona Trahe <fiona.trahe@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Oliver Neukum <oneukum@suse.com>
---
drivers/crypto/qat/qat_common/adf_transport.c | 4 ++--
drivers/crypto/qat/qat_common/adf_transport_access_macros.h | 1 -
2 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/crypto/qat/qat_common/adf_transport.c b/drivers/crypto/qat/qat_common/adf_transport.c
index dd8f94fcb9a8..5a7030acdc33 100644
--- a/drivers/crypto/qat/qat_common/adf_transport.c
+++ b/drivers/crypto/qat/qat_common/adf_transport.c
@@ -374,6 +374,7 @@ static int adf_init_bank(struct adf_accel_dev *accel_dev,
struct adf_hw_device_data *hw_data = accel_dev->hw_device;
u8 num_rings_per_bank = hw_data->num_rings_per_bank;
struct adf_hw_csr_ops *csr_ops = &hw_data->csr_ops;
+ u32 irq_mask = BIT(num_rings_per_bank) - 1;
struct adf_etr_ring_data *ring;
struct adf_etr_ring_data *tx_ring;
u32 i, coalesc_enabled = 0;
@@ -431,8 +432,7 @@ static int adf_init_bank(struct adf_accel_dev *accel_dev,
goto err;
}
- csr_ops->write_csr_int_flag(csr_addr, bank_num,
- ADF_BANK_INT_FLAG_CLEAR_MASK);
+ csr_ops->write_csr_int_flag(csr_addr, bank_num, irq_mask);
csr_ops->write_csr_int_srcsel(csr_addr, bank_num);
return 0;
diff --git a/drivers/crypto/qat/qat_common/adf_transport_access_macros.h b/drivers/crypto/qat/qat_common/adf_transport_access_macros.h
index 12b1605a740e..3b6b0267bbec 100644
--- a/drivers/crypto/qat/qat_common/adf_transport_access_macros.h
+++ b/drivers/crypto/qat/qat_common/adf_transport_access_macros.h
@@ -4,7 +4,6 @@
#define ADF_TRANSPORT_ACCESS_MACROS_H
#include "adf_accel_devices.h"
-#define ADF_BANK_INT_FLAG_CLEAR_MASK 0xFFFF
#define ADF_RING_CONFIG_NEAR_FULL_WM 0x0A
#define ADF_RING_CONFIG_NEAR_EMPTY_WM 0x05
#define ADF_COALESCING_MIN_TIME 0x1FF
--
2.26.2