linux-kernel - Re: [PATCH] iommu/amd: Fix typo in macro parameter name

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Message-ID: <4c196053-7c58-a2dd-4398-b1d03582b54f@amd.com>
Date:   Thu, 24 Nov 2022 10:21:53 +0530
From:   Vasant Hegde <vasant.hegde@....com>
To:     Michael Forney <mforney@...rney.org>,
        Joerg Roedel <joro@...tes.org>, iommu@...ts.linux.dev
Cc:     Suravee Suthikulpanit <suravee.suthikulpanit@....com>,
        Will Deacon <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iommu/amd: Fix typo in macro parameter name

HI Michael,

On 11/23/2022 3:48 AM, Michael Forney wrote:
> IVRS_GET_SBDF_ID is only called with fn as the fourth parameter,
> so this had no effect, but fixing the name will avoid bugs if that
> ever changes.>
> Signed-off-by: Michael Forney <mforney@...rney.org>

Thanks for finding and fixing this issue.

Reviewed-by: Vasant Hegde <vasant.hegde@....com>

-Vasant

> ---
>  drivers/iommu/amd/init.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c
> index 1a2d425bf568..099ca3ed7d73 100644
> --- a/drivers/iommu/amd/init.c
> +++ b/drivers/iommu/amd/init.c
> @@ -85,7 +85,7 @@
>  
>  #define LOOP_TIMEOUT	2000000
>  
> -#define IVRS_GET_SBDF_ID(seg, bus, dev, fd)	(((seg & 0xffff) << 16) | ((bus & 0xff) << 8) \
> +#define IVRS_GET_SBDF_ID(seg, bus, dev, fn)	(((seg & 0xffff) << 16) | ((bus & 0xff) << 8) \
>  						 | ((dev & 0x1f) << 3) | (fn & 0x7))
>  
>  /*