Linux-mediatek Archive on lore.kernel.org
 help / color / Atom feed
From: Matthias Brugger <matthias.bgg@gmail.com>
To: Hans Verkuil <hverkuil@xs4all.nl>,
	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, enric.balletbo@collabora.com
Cc: devicetree@vger.kernel.org, drinkcat@chromium.org,
	Minghsiu Tsai <minghsiu.tsai@mediatek.com>,
	frank-w@public-files.de, sean.wang@mediatek.com,
	linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
	Houlong Wei <houlong.wei@mediatek.com>,
	wens@csie.org, Matthias Brugger <mbrugger@suse.com>,
	linux-mediatek@lists.infradead.org, rdunlap@infradead.org,
	hsinyi@chromium.org, Andrew-CT Chen <andrew-ct.chen@mediatek.com>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-media@vger.kernel.org
Subject: Re: [PATCH v7 06/13] media: mtk-mdp: Check return value of of_clk_get
Date: Mon, 24 Feb 2020 22:47:31 +0100
Message-ID: <1c75d9ef-555a-7a07-b17a-c985605a16bc@gmail.com> (raw)
In-Reply-To: <9d39ba53-482e-ba8f-2699-c34540a3dfd0@xs4all.nl>



On 24/02/2020 18:36, Hans Verkuil wrote:
> Hi Matthias,
> 
> On 2/13/20 9:19 PM, 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>
> 
> This patch is independent from the remainder of this series, right?
> It looks good to me, so is it OK if I merge this in the media subsystem?
> 

Yes it is independent. Please merge it to the media subsystem.

Thanks,
Matthias

> Regards,
> 
> 	Hans
> 
>>
>> ---
>>
>> Changes in v7:
>> - fix check of return value of of_clk_get
>> - fix identation
>>
>> Changes in v6: None
>> Changes in v5: None
>> Changes in v4: None
>> Changes in v3: None
>> Changes in v2: None
>>
>>  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 0c4788af78dd..58abfbdfb82d 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])) {
>> +			if (PTR_ERR(comp->clk[i]) != -EPROBE_DEFER)
>> +				dev_err(dev, "Failed to get clock\n");
>> +
>> +			return PTR_ERR(comp->clk[i]);
>> +		}
>>  
>>  		/* Only RDMA needs two clocks */
>>  		if (comp->type != MTK_MDP_RDMA)
>>
> 

_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek

  reply index

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-13 20:19 [PATCH v7 00/13] arm/arm64: mediatek: Fix mmsys device probing matthias.bgg
2020-02-13 20:19 ` [PATCH v7 01/13] dt-bindings: arm: move mmsys description to display matthias.bgg
2020-02-14  6:42   ` CK Hu
2020-02-14 10:01     ` Matthias Brugger
2020-02-14 12:19       ` Enric Balletbo i Serra
2020-02-14 16:22         ` CK Hu
2020-02-13 20:19 ` [PATCH v7 02/13] dt-bindings: display: mediatek: Add mmsys binding description matthias.bgg
2020-02-18 20:31   ` Rob Herring
2020-02-13 20:19 ` [PATCH v7 03/13] dt-bindings: mediatek: Add compatible for mt7623 matthias.bgg
2020-02-13 20:19 ` [PATCH v7 04/13] drm/mediatek: Use regmap for register access matthias.bgg
2020-02-13 20:19 ` [PATCH v7 05/13] drm: mediatek: Omit warning on probe defers matthias.bgg
2020-02-13 20:19 ` [PATCH v7 06/13] media: mtk-mdp: Check return value of of_clk_get matthias.bgg
2020-02-24 17:36   ` Hans Verkuil
2020-02-24 21:47     ` Matthias Brugger [this message]
2020-02-13 20:19 ` [PATCH v7 07/13] clk: mediatek: mt2701: switch mmsys to platform device probing matthias.bgg
2020-02-13 20:19 ` [PATCH v7 08/13] clk: mediatek: mt2712e: switch " matthias.bgg
2020-02-13 20:19 ` [PATCH v7 09/13] clk: mediatek: mt6779: switch mmsys " matthias.bgg
2020-02-13 20:19 ` [PATCH v7 10/13] clk: mediatek: mt6797: switch " matthias.bgg
2020-02-13 20:19 ` [PATCH v7 11/13] clk: mediatek: mt8183: switch mmsys " matthias.bgg
2020-02-14  1:52   ` CK Hu
2020-02-13 20:19 ` [PATCH v7 12/13] clk: mediatek: mt8173: " matthias.bgg
2020-02-13 20:19 ` [PATCH v7 13/13] drm/mediatek: Add support for mmsys through a pdev matthias.bgg

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1c75d9ef-555a-7a07-b17a-c985605a16bc@gmail.com \
    --to=matthias.bgg@gmail.com \
    --cc=airlied@linux.ie \
    --cc=andrew-ct.chen@mediatek.com \
    --cc=ck.hu@mediatek.com \
    --cc=devicetree@vger.kernel.org \
    --cc=dri-devel@lists.freedesktop.org \
    --cc=drinkcat@chromium.org \
    --cc=enric.balletbo@collabora.com \
    --cc=frank-w@public-files.de \
    --cc=houlong.wei@mediatek.com \
    --cc=hsinyi@chromium.org \
    --cc=hverkuil@xs4all.nl \
    --cc=laurent.pinchart@ideasonboard.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-clk@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-media@vger.kernel.org \
    --cc=linux-mediatek@lists.infradead.org \
    --cc=mark.rutland@arm.com \
    --cc=matthias.bgg@kernel.org \
    --cc=mbrugger@suse.com \
    --cc=mchehab@kernel.org \
    --cc=minghsiu.tsai@mediatek.com \
    --cc=mturquette@baylibre.com \
    --cc=p.zabel@pengutronix.de \
    --cc=rdunlap@infradead.org \
    --cc=robh+dt@kernel.org \
    --cc=sboyd@kernel.org \
    --cc=sean.wang@mediatek.com \
    --cc=ulrich.hecht+renesas@gmail.com \
    --cc=wens@csie.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

Linux-mediatek Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/linux-mediatek/0 linux-mediatek/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 linux-mediatek linux-mediatek/ https://lore.kernel.org/linux-mediatek \
		linux-mediatek@lists.infradead.org
	public-inbox-index linux-mediatek

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.infradead.lists.linux-mediatek


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git