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-rw-r--r--drivers/crypto/intel/qat/qat_common/adf_accel_engine.c7
-rw-r--r--drivers/crypto/intel/qat/qat_common/icp_qat_fw_loader_handle.h1
-rw-r--r--drivers/crypto/intel/qat/qat_common/qat_hal.c5
3 files changed, 12 insertions, 1 deletions
diff --git a/drivers/crypto/intel/qat/qat_common/adf_accel_engine.c b/drivers/crypto/intel/qat/qat_common/adf_accel_engine.c
index f9f1018a2823..09d4f547e082 100644
--- a/drivers/crypto/intel/qat/qat_common/adf_accel_engine.c
+++ b/drivers/crypto/intel/qat/qat_common/adf_accel_engine.c
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
/* Copyright(c) 2014 - 2020 Intel Corporation */
+#include <linux/delay.h>
#include <linux/firmware.h>
#include <linux/pci.h>
#include "adf_cfg.h"
@@ -162,8 +163,14 @@ int adf_ae_stop(struct adf_accel_dev *accel_dev)
static int adf_ae_reset(struct adf_accel_dev *accel_dev, int ae)
{
struct adf_fw_loader_data *loader_data = accel_dev->fw_loader;
+ unsigned long reset_delay;
qat_hal_reset(loader_data->fw_loader);
+
+ reset_delay = loader_data->fw_loader->chip_info->reset_delay_us;
+ if (reset_delay)
+ fsleep(reset_delay);
+
if (qat_hal_clr_reset(loader_data->fw_loader))
return -EFAULT;
diff --git a/drivers/crypto/intel/qat/qat_common/icp_qat_fw_loader_handle.h b/drivers/crypto/intel/qat/qat_common/icp_qat_fw_loader_handle.h
index 6887930c7995..e74cafa95f1c 100644
--- a/drivers/crypto/intel/qat/qat_common/icp_qat_fw_loader_handle.h
+++ b/drivers/crypto/intel/qat/qat_common/icp_qat_fw_loader_handle.h
@@ -27,6 +27,7 @@ struct icp_qat_fw_loader_chip_info {
int mmp_sram_size;
bool nn;
bool lm2lm3;
+ u16 reset_delay_us;
u32 lm_size;
u32 icp_rst_csr;
u32 icp_rst_mask;
diff --git a/drivers/crypto/intel/qat/qat_common/qat_hal.c b/drivers/crypto/intel/qat/qat_common/qat_hal.c
index 0f5a2690690a..1c3d1311f1c7 100644
--- a/drivers/crypto/intel/qat/qat_common/qat_hal.c
+++ b/drivers/crypto/intel/qat/qat_common/qat_hal.c
@@ -20,6 +20,7 @@
#define RST_CSR_QAT_LSB 20
#define RST_CSR_AE_LSB 0
#define MC_TIMESTAMP_ENABLE (0x1 << 7)
+#define MIN_RESET_DELAY_US 3
#define IGNORE_W1C_MASK ((~(1 << CE_BREAKPOINT_BITPOS)) & \
(~(1 << CE_CNTL_STORE_PARITY_ERROR_BITPOS)) & \
@@ -713,8 +714,10 @@ static int qat_hal_chip_init(struct icp_qat_fw_loader_handle *handle,
handle->chip_info->wakeup_event_val = 0x80000000;
handle->chip_info->fw_auth = true;
handle->chip_info->css_3k = true;
- if (handle->pci_dev->device == PCI_DEVICE_ID_INTEL_QAT_6XXX)
+ if (handle->pci_dev->device == PCI_DEVICE_ID_INTEL_QAT_6XXX) {
handle->chip_info->dual_sign = true;
+ handle->chip_info->reset_delay_us = MIN_RESET_DELAY_US;
+ }
handle->chip_info->tgroup_share_ustore = true;
handle->chip_info->fcu_ctl_csr = FCU_CONTROL_4XXX;
handle->chip_info->fcu_sts_csr = FCU_STATUS_4XXX;