linux-kernel - Re: [PATCHv2] iommu/arm-smmu: Make remove callback message more informative

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Message-ID: <CAD=FV=W=d=KrTwgMOO-ukFc7ZhkE92qGYumUEDrtjmhQOpdWbg@mail.gmail.com>
Date:   Thu, 23 Apr 2020 07:35:32 -0700
From:   Doug Anderson <dianders@...omium.org>
To:     Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
Cc:     Will Deacon <will@...nel.org>, Robin Murphy <robin.murphy@....com>,
        Joerg Roedel <joro@...tes.org>,
        "list@....net:IOMMU DRIVERS <iommu@...ts.linux-foundation.org>, Joerg
        Roedel <joro@...tes.org>," <iommu@...ts.linux-foundation.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>
Subject: Re: [PATCHv2] iommu/arm-smmu: Make remove callback message more informative

Hi,

On Thu, Apr 23, 2020 at 2:55 AM Sai Prakash Ranjan
<saiprakash.ranjan@...eaurora.org> wrote:
>
> Currently on reboot/shutdown, the following messages are
> displayed on the console as error messages before the
> system reboots/shutdown as part of remove callback.
>
> On SC7180:
>
>   arm-smmu 15000000.iommu: removing device with active domains!
>   arm-smmu 5040000.iommu: removing device with active domains!
>
> Make this error message more informative and less scary.
>
> Reported-by: Douglas Anderson <dianders@...omium.org>
> Suggested-by: Robin Murphy <robin.murphy@....com>
> Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
> ---
>  drivers/iommu/arm-smmu.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Douglas Anderson <dianders@...omium.org>