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

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Message-ID: <20220928110355.emf2nucmdmpb3vbu@mobilestation>
Date:   Wed, 28 Sep 2022 14:03:55 +0300
From:   Serge Semin <fancer.lancer@...il.com>
To:     Zhuo Chen <chenzhuo.1@...edance.com>
Cc:     sathyanarayanan.kuppuswamy@...ux.intel.com, bhelgaas@...gle.com,
        ruscur@...sell.cc, oohall@...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, linuxppc-dev@...ts.ozlabs.org,
        linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        ntb@...ts.linux.dev, linux-scsi@...r.kernel.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.

Why do you think there isn't? Justify in more details.

-Sergey

> 
> Signed-off-by: Zhuo Chen <chenzhuo.1@...edance.com>
> ---
>  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)
>