[PATCH v4 2/5] powerpc/eeh: Add warning message in eeh_dev_open()

[Benjamin Herrenschmidt]

On Thu, 2014-08-07 at 12:47 +1000, Gavin Shan wrote:
> The patch adds one warning message in eeh_dev_open() in case the
> PCI device can't be marked as passed through.
> 
> Suggested-by: Alexey Kardashevskiy <aik at ozlabs.ru>
> Signed-off-by: Gavin Shan <gwshan at linux.vnet.ibm.com>
> ---

Acked-by: Benjamin Herrenschmidt <benh at kernel.crashing.org>

Alex, are you taking this or should I ?

>  arch/powerpc/kernel/eeh.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c
> index 59a64f8..5d73a49 100644
> --- a/arch/powerpc/kernel/eeh.c
> +++ b/arch/powerpc/kernel/eeh.c
> @@ -1162,8 +1162,11 @@ int eeh_dev_open(struct pci_dev *pdev)
>  
>  	/* No EEH device or PE ? */
>  	edev = pci_dev_to_eeh_dev(pdev);
> -	if (!edev || !edev->pe)
> +	if (!edev || !edev->pe) {
> +		pr_warn_once("%s: PCI device %s not supported\n",
> +			     __func__, pci_name(pdev));
>  		goto out;
> +	}
>  
>  	/* Increase PE's pass through count */
>  	atomic_inc(&edev->pe->pass_dev_cnt);