From: Markus Elfring <Markus.Elfring@web.de>
To: Florian Sylvestre <fsylvestre@baylibre.com>,
Julien Stephan <jstephan@baylibre.com>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Paul Elder <paul.elder@ideasonboard.com>,
Phi-bang Nguyen <pnguyen@baylibre.com>,
linux-media@vger.kernel.org, devicetree@vger.kernel.org,
linux-mediatek@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
Andy Hsieh <andy.hsieh@mediatek.com>,
Angelo Gioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
Conor Dooley <conor+dt@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Rob Herring <robh@kernel.org>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v5 4/5] media: platform: mediatek: isp_30: add mediatek ISP3.0 camsv
Date: Tue, 30 Jul 2024 09:25:45 +0200 [thread overview]
Message-ID: <6bccc366-7b21-48a7-895e-d6693bac809d@web.de> (raw)
In-Reply-To: <20240704-add-mtk-isp-3-0-support-v5-4-bfccccc5ec21@baylibre.com>
…
> +++ b/drivers/media/platform/mediatek/isp/isp_30/camsv/mtk_camsv30_hw.c
> @@ -0,0 +1,413 @@
…
> +static int mtk_camsv30_runtime_suspend(struct device *dev)
> +{
…
> + if (vb2_is_streaming(vbq)) {
> + mutex_lock(&cam_dev->op_lock);
> + v4l2_subdev_call(&cam_dev->subdev, video, s_stream, 0);
> + mutex_unlock(&cam_dev->op_lock);
> + }
…
Under which circumstances would you become interested to apply a statement
like “guard(mutex)(&cam_dev->op_lock);”?
https://elixir.bootlin.com/linux/v6.10.2/source/include/linux/mutex.h#L196
Regards,
Markus
next prev parent reply other threads:[~2024-07-30 7:26 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-04 13:36 [PATCH v5 0/5] Add Mediatek ISP3.0 Julien Stephan
2024-07-04 13:36 ` [PATCH v5 1/5] dt-bindings: media: add mediatek ISP3.0 sensor interface Julien Stephan
2024-07-04 16:26 ` Conor Dooley
2024-07-05 7:50 ` Julien Stephan
2024-07-05 9:23 ` Conor Dooley
2024-07-05 9:35 ` Julien Stephan
2024-07-04 13:36 ` [PATCH v5 2/5] dt-bindings: media: add mediatek ISP3.0 camsv Julien Stephan
2024-07-04 16:29 ` Conor Dooley
2024-07-04 22:51 ` Laurent Pinchart
2024-07-04 13:36 ` [PATCH v5 3/5] media: platform: mediatek: isp_30: add mediatek ISP3.0 sensor interface Julien Stephan
2024-07-18 2:36 ` CK Hu (胡俊光)
2024-07-18 2:44 ` CK Hu (胡俊光)
2024-07-29 12:46 ` Julien Stephan
2024-07-30 2:11 ` CK Hu (胡俊光)
2024-07-04 13:36 ` [PATCH v5 4/5] media: platform: mediatek: isp_30: add mediatek ISP3.0 camsv Julien Stephan
2024-07-18 2:54 ` CK Hu (胡俊光)
2024-07-29 13:40 ` Julien Stephan
2024-07-29 14:14 ` Laurent Pinchart
2024-07-30 2:39 ` CK Hu (胡俊光)
2024-07-18 2:59 ` CK Hu (胡俊光)
2024-07-18 3:26 ` CK Hu (胡俊光)
2024-07-18 3:32 ` CK Hu (胡俊光)
2024-07-30 7:25 ` Markus Elfring [this message]
2024-07-30 7:46 ` Markus Elfring
2024-07-04 13:36 ` [PATCH v5 5/5] arm64: dts: mediatek: mt8365: Add support for camera Julien Stephan
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