Re: [PATCH 4/9] i40e: Remove redundant pci_enable_pcie_error_reporting()

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On 1/18/2023 3:46 PM, Bjorn Helgaas wrote:
From: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>

pci_enable_pcie_error_reporting() enables the device to send ERR_*
Messages.  Since f26e58bf6f54 ("PCI/AER: Enable error reporting when AER is
native"), the PCI core does this for all devices during enumeration.

Remove the redundant pci_enable_pcie_error_reporting() call from the
driver.  Also remove the corresponding pci_disable_pcie_error_reporting()
from the driver .remove() path.

Note that this doesn't control interrupt generation by the Root Port; that
is controlled by the AER Root Error Command register, which is managed by
the AER service driver.

Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
Cc: Jesse Brandeburg <jesse.brandeburg@xxxxxxxxx>
Cc: Tony Nguyen <anthony.l.nguyen@xxxxxxxxx>
Cc: intel-wired-lan@xxxxxxxxxxxxxxxx
Cc: netdev@xxxxxxxxxxxxxxx
---
  drivers/net/ethernet/intel/i40e/i40e_main.c | 4 ----
  1 file changed, 4 deletions(-)

Reviewed-by: Tony Nguyen <anthony.l.nguyen@xxxxxxxxx>

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 53d0083e35da..43693f902c27 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -15589,7 +15589,6 @@ static int i40e_init_recovery_mode(struct i40e_pf *pf, struct i40e_hw *hw)
  	timer_shutdown_sync(&pf->service_timer);
  	i40e_shutdown_adminq(hw);
  	iounmap(hw->hw_addr);
-	pci_disable_pcie_error_reporting(pf->pdev);
  	pci_release_mem_regions(pf->pdev);
  	pci_disable_device(pf->pdev);
  	kfree(pf);
@@ -15660,7 +15659,6 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
  		goto err_pci_reg;
  	}
- pci_enable_pcie_error_reporting(pdev);
  	pci_set_master(pdev);
/* Now that we have a PCI connection, we need to do the
@@ -16218,7 +16216,6 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
  err_ioremap:
  	kfree(pf);
  err_pf_alloc:
-	pci_disable_pcie_error_reporting(pdev);
  	pci_release_mem_regions(pdev);
  err_pci_reg:
  err_dma:
@@ -16366,7 +16363,6 @@ static void i40e_remove(struct pci_dev *pdev)
  	kfree(pf);
  	pci_release_mem_regions(pdev);
- pci_disable_pcie_error_reporting(pdev);
  	pci_disable_device(pdev);
  }



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