crypto: qat - drop input parameter from adf_enable_aer()

Remove pointer to struct pci_driver from function adf_enable_aer() as it
is possible to get it directly from pdev->driver.
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Fiona Trahe <fiona.trahe@intel.com>
Reviewed-by: Wojciech Ziemba <wojciech.ziemba@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/qat/qat_c3xxx/adf_drv.c

@@ -198,7 +198,7 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	}
 	pci_set_master(pdev);
 
-	if (adf_enable_aer(accel_dev, &adf_driver)) {
+	if (adf_enable_aer(accel_dev)) {
 		dev_err(&pdev->dev, "Failed to enable aer\n");
 		ret = -EFAULT;
 		goto out_err_free_reg;

drivers/crypto/qat/qat_c62x/adf_drv.c

@@ -198,7 +198,7 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	}
 	pci_set_master(pdev);
 
-	if (adf_enable_aer(accel_dev, &adf_driver)) {
+	if (adf_enable_aer(accel_dev)) {
 		dev_err(&pdev->dev, "Failed to enable aer\n");
 		ret = -EFAULT;
 		goto out_err_free_reg;

drivers/crypto/qat/qat_common/adf_aer.c

@@ -175,7 +175,6 @@ static const struct pci_error_handlers adf_err_handler = {
 /**
  * adf_enable_aer() - Enable Advance Error Reporting for acceleration device
  * @accel_dev:  Pointer to acceleration device.
- * @adf:        PCI device driver owning the given acceleration device.
  *
  * Function enables PCI Advance Error Reporting for the
  * QAT acceleration device accel_dev.
@@ -183,11 +182,12 @@ static const struct pci_error_handlers adf_err_handler = {
  *
  * Return: 0 on success, error code otherwise.
  */
-int adf_enable_aer(struct adf_accel_dev *accel_dev, struct pci_driver *adf)
+int adf_enable_aer(struct adf_accel_dev *accel_dev)
 {
 	struct pci_dev *pdev = accel_to_pci_dev(accel_dev);
+	struct pci_driver *pdrv = pdev->driver;
 
-	adf->err_handler = &adf_err_handler;
+	pdrv->err_handler = &adf_err_handler;
 	pci_enable_pcie_error_reporting(pdev);
 	return 0;
 }

drivers/crypto/qat/qat_common/adf_common_drv.h

@@ -95,7 +95,7 @@ void adf_ae_fw_release(struct adf_accel_dev *accel_dev);
 int adf_ae_start(struct adf_accel_dev *accel_dev);
 int adf_ae_stop(struct adf_accel_dev *accel_dev);
 
-int adf_enable_aer(struct adf_accel_dev *accel_dev, struct pci_driver *adf);
+int adf_enable_aer(struct adf_accel_dev *accel_dev);
 void adf_disable_aer(struct adf_accel_dev *accel_dev);
 void adf_reset_sbr(struct adf_accel_dev *accel_dev);
 void adf_reset_flr(struct adf_accel_dev *accel_dev);

drivers/crypto/qat/qat_dh895xcc/adf_drv.c

@@ -200,7 +200,7 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	}
 	pci_set_master(pdev);
 
-	if (adf_enable_aer(accel_dev, &adf_driver)) {
+	if (adf_enable_aer(accel_dev)) {
 		dev_err(&pdev->dev, "Failed to enable aer\n");
 		ret = -EFAULT;
 		goto out_err_free_reg;