Subject: Re: fsl_pamu: erratum a007907 should be applied on all versions of E6500 chips.

From: Scott Wood <[email-masked]>
Date: Tue, 22 Nov 2016 01:41:26 -0600

On Thu, Oct 27, 2016 at 12:50:44AM +0800, jun wrote:
> Signed-off-by: jun <[email-masked]>
> ---
>  drivers/iommu/fsl_pamu.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/iommu/fsl_pamu.c b/drivers/iommu/fsl_pamu.c
> index db3a1cd..a8fe503 100644
> --- a/drivers/iommu/fsl_pamu.c
> +++ b/drivers/iommu/fsl_pamu.c
> @@ -668,7 +668,7 @@ static bool has_erratum_a007907(void)
>  {
>  	u32 pvr = mfspr(SPRN_PVR);
>  
> -	if (PVR_VER(pvr) == PVR_VER_E6500 && PVR_REV(pvr) <= 0x20)
> +	if (PVR_VER(pvr) == PVR_VER_E6500)
>  		return true;
>  
>  	return false;

This needs to be sent to the IOMMU maintainer and list.

-Scott