linux-kernel - Re: [PATCH -next] drm/panfrost: depend on !GENERIC_ATOMIC64 when using COMPILE

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Message-ID: <CAL_JsqJiXvzMrMvLg=bRtms8vk77mQ6jNdpDJzspx3A701gJqw@mail.gmail.com>
Date:   Thu, 18 Apr 2019 09:34:38 -0500
From:   Rob Herring <robh@...nel.org>
To:     Steven Price <steven.price@....com>
Cc:     Daniel Vetter <daniel@...ll.ch>, David Airlie <airlied@...ux.ie>,
        Tomeu Vizoso <tomeu.vizoso@...labora.com>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        kbuild test robot <lkp@...el.com>
Subject: Re: [PATCH -next] drm/panfrost: depend on !GENERIC_ATOMIC64 when
 using COMPILE_TEST

On Wed, Apr 17, 2019 at 10:29 AM Steven Price <steven.price@....com> wrote:
>
> Since panfrost has a 'select' on IOMMU_IO_PGTABLE_LPAE we must depend on
> the same set of flags. Otherwise IOMMU_IO_PGTABLE_LPAE will be forced on
> even though it cannot build (no support for cmpxchg64).
>
> This fixes the following warning from kconfig:
>
> WARNING: unmet direct dependencies detected for IOMMU_IO_PGTABLE_LPAE
>   Depends on [n]: IOMMU_SUPPORT [=y] && (ARM || ARM64 || COMPILE_TEST [=y] && !GENERIC_ATOMIC64 [=y])
>   Selected by [y]:
>   - DRM_PANFROST [=y] && HAS_IOMEM [=y] && DRM [=y] && (ARM || ARM64 || COMPILE_TEST [=y]) && MMU [=y]
>
> Reported-by: kbuild test robot <lkp@...el.com>
> Signed-off-by: Steven Price <steven.price@....com>
> ---
>  drivers/gpu/drm/panfrost/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Humm, I thought I had fixed this. Anyways, applied.

Rob