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References: <20190517184659.18828-1-peron.clem@gmail.com> <20190517184659.18828-2-peron.clem@gmail.com>
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From:   Rob Herring <robh+dt@kernel.org>
Date:   Fri, 17 May 2019 15:07:32 -0500
Message-ID: <CAL_JsqKPazGn+g1zS4NMwvQZ_6GcAm0tgcOTqyQA0dz0+2dp3g@mail.gmail.com>
Subject: Re: [PATCH v5 1/6] drm: panfrost: add optional bus_clock
To:     =?UTF-8?B?Q2zDqW1lbnQgUMOpcm9u?= <peron.clem@gmail.com>
Cc:     David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
        Mark Rutland <mark.rutland@arm.com>,
        Maxime Ripard <maxime.ripard@bootlin.com>,
        Chen-Yu Tsai <wens@csie.org>,
        Tomeu Vizoso <tomeu.vizoso@collabora.com>,
        Will Deacon <will.deacon@arm.com>,
        Robin Murphy <robin.murphy@arm.com>,
        Joerg Roedel <joro@8bytes.org>,
        Neil Armstrong <narmstrong@baylibre.com>,
        Steven Price <steven.price@arm.com>,
        dri-devel <dri-devel@lists.freedesktop.org>,
        devicetree@vger.kernel.org,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@lists.infradead.org>,
        Linux IOMMU <iommu@lists.linux-foundation.org>
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On Fri, May 17, 2019 at 1:47 PM Cl=C3=A9ment P=C3=A9ron <peron.clem@gmail.c=
om> wrote:
>
> Allwinner H6 has an ARM Mali-T720 MP2 which required a bus_clock.
>
> Add an optional bus_clock at the init of the panfrost driver.
>
> Signed-off-by: Cl=C3=A9ment P=C3=A9ron <peron.clem@gmail.com>
> ---
>  drivers/gpu/drm/panfrost/panfrost_device.c | 25 +++++++++++++++++++++-
>  drivers/gpu/drm/panfrost/panfrost_device.h |  1 +
>  2 files changed, 25 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/panfrost/panfrost_device.c b/drivers/gpu/drm=
/panfrost/panfrost_device.c
> index 3b2bced1b015..8da6e612d384 100644
> --- a/drivers/gpu/drm/panfrost/panfrost_device.c
> +++ b/drivers/gpu/drm/panfrost/panfrost_device.c
> @@ -44,7 +44,8 @@ static int panfrost_clk_init(struct panfrost_device *pf=
dev)
>
>         pfdev->clock =3D devm_clk_get(pfdev->dev, NULL);
>         if (IS_ERR(pfdev->clock)) {
> -               dev_err(pfdev->dev, "get clock failed %ld\n", PTR_ERR(pfd=
ev->clock));
> +               dev_err(pfdev->dev, "get clock failed %ld\n",
> +                       PTR_ERR(pfdev->clock));

Please drop this whitespace change.

>                 return PTR_ERR(pfdev->clock);
>         }
>