linux-kernel - Re: [PATCH v3 3/9] NTB: Remove pci_aer_clear_nonfatal

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Message-ID: <20230315213159.GA1788435@bhelgaas>
Date:   Wed, 15 Mar 2023 16:31:59 -0500
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Zhuo Chen <chenzhuo.1@...edance.com>
Cc:     sathyanarayanan.kuppuswamy@...ux.intel.com, bhelgaas@...gle.com,
        ruscur@...sell.cc, oohall@...il.com, fancer.lancer@...il.com,
        jdmason@...zu.us, dave.jiang@...el.com, allenbh@...il.com,
        james.smart@...adcom.com, dick.kennedy@...adcom.com,
        jejb@...ux.ibm.com, martin.petersen@...cle.com,
        linux-scsi@...r.kernel.org, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org, ntb@...ts.linux.dev,
        linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH v3 3/9] NTB: Remove pci_aer_clear_nonfatal_status() call

On Wed, Sep 28, 2022 at 06:59:40PM +0800, Zhuo Chen wrote:
> There is no need to clear error status during init code, so remove it.
> 
> Signed-off-by: Zhuo Chen <chenzhuo.1@...edance.com>

Can you send this to the NTB folks?  It doesn't depend on anything, so
no real reason to merge via the PCI tree.

To help reviewers, ideally the commit log would mention where the PCI
core clears the non-fatal errors so the driver doesn't have to.

> ---
>  drivers/ntb/hw/idt/ntb_hw_idt.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/ntb/hw/idt/ntb_hw_idt.c b/drivers/ntb/hw/idt/ntb_hw_idt.c
> index 0ed6f809ff2e..fed03217289d 100644
> --- a/drivers/ntb/hw/idt/ntb_hw_idt.c
> +++ b/drivers/ntb/hw/idt/ntb_hw_idt.c
> @@ -2657,8 +2657,6 @@ static int idt_init_pci(struct idt_ntb_dev *ndev)
>  	ret = pci_enable_pcie_error_reporting(pdev);
>  	if (ret != 0)
>  		dev_warn(&pdev->dev, "PCIe AER capability disabled\n");
> -	else /* Cleanup nonfatal error status before getting to init */
> -		pci_aer_clear_nonfatal_status(pdev);
>  
>  	/* First enable the PCI device */
>  	ret = pcim_enable_device(pdev);
> -- 
> 2.30.1 (Apple Git-130)
>