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From: Enric Balletbo i Serra <enric.balletbo@collabora.com>
To: matthias.bgg@kernel.org, robh+dt@kernel.org,
	mark.rutland@arm.com, ck.hu@mediatek.com, p.zabel@pengutronix.de,
	airlied@linux.ie, mturquette@baylibre.com, sboyd@kernel.org,
	ulrich.hecht+renesas@gmail.com,
	laurent.pinchart@ideasonboard.com
Cc: sean.wang@mediatek.com, sean.wang@kernel.org,
	rdunlap@infradead.org, wens@csie.org, hsinyi@chromium.org,
	frank-w@public-files.de, drinkcat@chromium.org,
	linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org, linux-clk@vger.kernel.org,
	devicetree@vger.kernel.org, mbrugger@suse.com
Subject: Re: [resend PATCH v6 05/12] media: mtk-mdp: Check return value of of_clk_get
Date: Mon, 9 Dec 2019 10:50:02 +0100
Message-ID: <8d0b7ac3-abb5-2a05-32a6-648830632a74@collabora.com> (raw)
In-Reply-To: <20191207224740.24536-6-matthias.bgg@kernel.org>

Hi Matthias,

On 7/12/19 23:47, matthias.bgg@kernel.org wrote:
> From: Matthias Brugger <mbrugger@suse.com>
> 
> Check the return value of of_clk_get and print an error
> message if not EPROBE_DEFER.
> 
> Signed-off-by: Matthias Brugger <mbrugger@suse.com>
> ---
>  drivers/media/platform/mtk-mdp/mtk_mdp_comp.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c
> index 9afe8161a8c0..4e2fc1337b80 100644
> --- a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c
> +++ b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c
> @@ -110,6 +110,12 @@ int mtk_mdp_comp_init(struct device *dev, struct device_node *node,
>  
>  	for (i = 0; i < ARRAY_SIZE(comp->clk); i++) {
>  		comp->clk[i] = of_clk_get(node, i);
> +		if (IS_ERR(comp->clk[i])i) {

Oops                                    ^

> +			if (PTR_ERR(comp->clk[i] != -EPROBE_DEFER)

and missing closing )

> +					dev_err(dev, "Failed to get clock\n");

Like the previous patch I think that the clk core will print a message if the
clock is not found and you can just this redundand dev_err.

> +
> +			return PTR_ERR(comp->clk[i]);
> +		}
>  
>  		/* Only RDMA needs two clocks */
>  		if (comp->type != MTK_MDP_RDMA)
> 

  reply index

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-07 22:47 [resend PATCH v6 00/12] arm/arm64: mediatek: Fix mmsys device probing matthias.bgg
2019-12-07 22:47 ` [resend PATCH v6 01/12] dt-bindings: display: mediatek: Add mmsys binding description matthias.bgg
2019-12-09  5:12   ` CK Hu
2019-12-09  8:48     ` Enric Balletbo i Serra
2020-02-13 18:17     ` Matthias Brugger
2019-12-18 16:39   ` Rob Herring
2019-12-07 22:47 ` [resend PATCH v6 02/12] dt-bindings: mediatek: Add compatible for mt7623 matthias.bgg
2019-12-09  8:51   ` Enric Balletbo i Serra
2019-12-18 17:02   ` Rob Herring
2019-12-07 22:47 ` [resend PATCH v6 03/12] drm/mediatek: Use regmap for register access matthias.bgg
2019-12-09  5:16   ` CK Hu
2019-12-07 22:47 ` [resend PATCH v6 04/12] drm: mediatek: Omit warning on probe defers matthias.bgg
2019-12-09  5:19   ` CK Hu
2019-12-09  9:39   ` Enric Balletbo i Serra
2020-02-13 18:58     ` Matthias Brugger
2019-12-07 22:47 ` [resend PATCH v6 05/12] media: mtk-mdp: Check return value of of_clk_get matthias.bgg
2019-12-09  9:50   ` Enric Balletbo i Serra [this message]
2019-12-07 22:47 ` [resend PATCH v6 06/12] clk: mediatek: mt2701: switch mmsys to platform device probing matthias.bgg
2019-12-09  9:58   ` Enric Balletbo i Serra
2020-02-13 19:11     ` Matthias Brugger
2019-12-07 22:47 ` [resend PATCH v6 07/12] clk: mediatek: mt2712e: switch " matthias.bgg
2019-12-09  9:59   ` Enric Balletbo i Serra
2019-12-07 22:47 ` [resend PATCH v6 08/12] clk: mediatek: mt6779: switch mmsys " matthias.bgg
2019-12-09 10:01   ` Enric Balletbo i Serra
2019-12-07 22:47 ` [resend PATCH v6 09/12] clk: mediatek: mt6797: switch " matthias.bgg
2019-12-07 22:47 ` [resend PATCH v6 10/12] clk: mediatek: mt8183: switch mmsys " matthias.bgg
2019-12-09  8:51   ` CK Hu
2020-02-13 19:35     ` Matthias Brugger
2019-12-07 22:47 ` [resend PATCH v6 11/12] clk: mediatek: mt8173: " matthias.bgg
2019-12-07 22:47 ` [resend PATCH v6 12/12] drm/mediatek: Add support for mmsys through a pdev matthias.bgg
2019-12-09  5:34   ` CK Hu
2020-02-13 19:46     ` Matthias Brugger
2019-12-09 10:15   ` Enric Balletbo i Serra
2020-02-13  2:57 ` [resend PATCH v6 00/12] arm/arm64: mediatek: Fix mmsys device probing CK Hu

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