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>,
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 v6 4/5] media: platform: mediatek: isp_30: add mediatek ISP3.0 camsv
Date: Tue, 30 Jul 2024 17:00:17 +0200 [thread overview]
Message-ID: <f88557ca-536f-4ea4-ac13-e20fb296195c@web.de> (raw)
In-Reply-To: <20240729-add-mtk-isp-3-0-support-v6-4-c374c9e0c672@baylibre.com>
…
> +++ b/drivers/media/platform/mediatek/isp/isp_30/camsv/mtk_camsv30_hw.c
> @@ -0,0 +1,413 @@
…
> +static int mtk_camsv30_runtime_resume(struct device *dev)
> +{
…
> + mtk_camsv30_setup(cam_dev, fmt->width, fmt->height,
> + fmt->plane_fmt[0].bytesperline, vdev->fmtinfo->code);
> +
> + spin_lock_irqsave(&cam_dev->buf_list_lock, flags);
…
> + mtk_camsv30_cmos_vf_hw_enable(cam_dev);
> +
> + spin_unlock_irqrestore(&cam_dev->buf_list_lock, flags);
…
Under which circumstances would you become interested to apply a statement
like “guard(spinlock_irqsave)(&cam_dev->buf_list_lock);”?
https://elixir.bootlin.com/linux/v6.11-rc1/source/include/linux/spinlock.h#L572
Regards,
Markus
next prev parent reply other threads:[~2024-07-30 15:00 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-29 14:47 [PATCH v6 0/5] Add Mediatek ISP3.0 Julien Stephan
2024-07-29 14:48 ` [PATCH v6 1/5] dt-bindings: media: add mediatek ISP3.0 sensor interface Julien Stephan
2024-07-29 14:57 ` AngeloGioacchino Del Regno
2024-07-29 15:08 ` AngeloGioacchino Del Regno
2024-07-30 12:38 ` Laurent Pinchart
2024-07-30 19:38 ` Rob Herring (Arm)
2024-07-29 14:48 ` [PATCH v6 2/5] dt-bindings: media: add mediatek ISP3.0 camsv Julien Stephan
2024-07-29 14:57 ` AngeloGioacchino Del Regno
2024-07-30 12:46 ` Laurent Pinchart
2024-07-30 19:40 ` Rob Herring (Arm)
2024-07-29 14:48 ` [PATCH v6 3/5] media: platform: mediatek: isp_30: add mediatek ISP3.0 sensor interface Julien Stephan
2024-07-30 13:29 ` Laurent Pinchart
2024-07-31 13:33 ` Julien Stephan
2024-07-31 13:51 ` Laurent Pinchart
2024-07-30 15:15 ` Markus Elfring
2024-07-31 6:19 ` CK Hu (胡俊光)
2024-07-29 14:48 ` [PATCH v6 4/5] media: platform: mediatek: isp_30: add mediatek ISP3.0 camsv Julien Stephan
2024-07-30 14:09 ` Laurent Pinchart
2024-07-30 14:34 ` Markus Elfring
2024-07-30 15:00 ` Markus Elfring [this message]
2024-07-31 2:59 ` CK Hu (胡俊光)
2024-07-31 8:29 ` Laurent Pinchart
2024-08-07 1:31 ` CK Hu (胡俊光)
2024-08-07 15:20 ` Laurent Pinchart
2024-07-31 3:05 ` CK Hu (胡俊光)
2024-07-31 3:35 ` CK Hu (胡俊光)
2024-07-31 5:14 ` CK Hu (胡俊光)
2024-07-31 5:48 ` CK Hu (胡俊光)
2024-07-29 14:48 ` [PATCH v6 5/5] arm64: dts: mediatek: mt8365: Add support for camera Julien Stephan
2024-07-29 15:08 ` AngeloGioacchino Del Regno
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