Re: [PATCH] PCI: use dev_info rather than dev_err for rom validation

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On Mon, Nov 27, 2017 at 12:21:10PM -0500, Alex Deucher wrote:
> On AMD GPUs, we use several mechanisms to fetch the vbios
> rom depending on the platform.  We try to read the rom
> back via the rom BAR and fall back to other methods in
> some cases.  This leads to spurious error messages
> from the pci rom code which are harmless in our case.
> This leads to bugs being files, etc.  Change these to
> dev_info rather than dev_err to avoid that.
> 
> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>

Applied with Christian's reviewed-by to pci/resource for v4.16, thanks!
I also added links to several of the bug reports.

> ---
>  drivers/pci/rom.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/pci/rom.c b/drivers/pci/rom.c
> index b6edb187d160..7ab7c6bb17c6 100644
> --- a/drivers/pci/rom.c
> +++ b/drivers/pci/rom.c
> @@ -92,14 +92,14 @@ size_t pci_get_rom_size(struct pci_dev *pdev, void __iomem *rom, size_t size)
>  		void __iomem *pds;
>  		/* Standard PCI ROMs start out with these bytes 55 AA */
>  		if (readw(image) != 0xAA55) {
> -			dev_err(&pdev->dev, "Invalid PCI ROM header signature: expecting 0xaa55, got %#06x\n",
> +			dev_info(&pdev->dev, "Invalid PCI ROM header signature: expecting 0xaa55, got %#06x\n",
>  				readw(image));
>  			break;
>  		}
>  		/* get the PCI data structure and check its "PCIR" signature */
>  		pds = image + readw(image + 24);
>  		if (readl(pds) != 0x52494350) {
> -			dev_err(&pdev->dev, "Invalid PCI ROM data signature: expecting 0x52494350, got %#010x\n",
> +			dev_info(&pdev->dev, "Invalid PCI ROM data signature: expecting 0x52494350, got %#010x\n",
>  				readl(pds));
>  			break;
>  		}
> -- 
> 2.13.6
> 
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