From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2C0C2C3DA61 for ; Tue, 30 Jul 2024 07:26:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:Subject:References:Cc:To:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Y29Cu3aNgFt3lRUAJtHfjwbzXHmscrTrGrCYF6YO//0=; b=BSznc0+6UYmpTxoxGYTtETFfqZ fEhw/dSItOm+rVbvKQitPNQsLMkDIsOvqH07ahrRVFmBX7I+HlZV5Ov5jLZ9by85nRxBcoqewOo5N 9QIfjSGckXZ7TI/KswOUB5VKxL1IfY/AafubOi2S9MpqI/pb6CuvOvGKlpvSw/MiP5aScBKvShKUj c+mGtViPMsCJv6sWAdc5DvtJXBOpixGkJdaZae8qig2VbDkdT33/7p5IStWIx35GdU/qBxwsPEOVF egiUeZOCO7nSKQV4HnhSLEzYpceGJUcC4OqT94bnitqqwaT2uP+81Yg0w3Q/vix6BPfQS8AzAvXyY PBYZoX4w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sYhFo-0000000E1Yi-0abq; Tue, 30 Jul 2024 07:26:40 +0000 Received: from mout.web.de ([212.227.17.11]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sYhFK-0000000E1RB-3v8s; Tue, 30 Jul 2024 07:26:13 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=web.de; s=s29768273; t=1722324362; x=1722929162; i=markus.elfring@web.de; bh=Y29Cu3aNgFt3lRUAJtHfjwbzXHmscrTrGrCYF6YO//0=; h=X-UI-Sender-Class:Message-ID:Date:MIME-Version:To:Cc:References: Subject:From:In-Reply-To:Content-Type:Content-Transfer-Encoding: cc:content-transfer-encoding:content-type:date:from:message-id: mime-version:reply-to:subject:to; b=HzYzVsWOtT7f+UfbZ+pTB4befjGK7iWGD5ZGbGSzJCLHS44J8K2pg75PXHbpUjRG IgonXxtCzlYCeH0evgN5LlQcDh/mRWxibv/9Z4rZBc/zKmmLwtKHb/B6a9H0DcJK4 kBtWeF8glZY5Ms7yqr/VwLwFp6OwPaJyUIcmJWxT2qKYt5s+IIGUyFcuK4/HEJVpj hORzFBmb+t+EU/P6CSVcQJGNMtaLJALejP/XetYS0g3CHIW7yvmEQ3i/jvX3QxdQ6 Ebbgi6B96uoYBUcCh2byMtjZ2d87WL7+fVQyj4vwOVXHelYaiUUZldqeZqzCSCo1d BAcu4kNWV/ckDbbZdA== X-UI-Sender-Class: 814a7b36-bfc1-4dae-8640-3722d8ec6cd6 Received: from [192.168.178.21] ([94.31.90.95]) by smtp.web.de (mrweb106 [213.165.67.124]) with ESMTPSA (Nemesis) id 1MODiN-1sspUp1WBt-00Nvj2; Tue, 30 Jul 2024 09:26:02 +0200 Message-ID: <6bccc366-7b21-48a7-895e-d6693bac809d@web.de> Date: Tue, 30 Jul 2024 09:25:45 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Florian Sylvestre , Julien Stephan , Laurent Pinchart , Paul Elder , Phi-bang Nguyen , linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Andy Hsieh , Angelo Gioacchino Del Regno , Conor Dooley , Krzysztof Kozlowski , Matthias Brugger , Mauro Carvalho Chehab , Rob Herring Cc: LKML References: <20240704-add-mtk-isp-3-0-support-v5-4-bfccccc5ec21@baylibre.com> Subject: Re: [PATCH v5 4/5] media: platform: mediatek: isp_30: add mediatek ISP3.0 camsv Content-Language: en-GB From: Markus Elfring In-Reply-To: <20240704-add-mtk-isp-3-0-support-v5-4-bfccccc5ec21@baylibre.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:yvPCQKrKXBCoDamMmIKaF729ETlr5jjPPSiqGwUVUeJt8P75TyN OG2ePZ2Kh2QWizHR51/Ed8zsDlVH/pEgjI2BWaRW6cIfMDUb9rnmVRRSTRcKUm/r1netZki pu6CbiuPuV8xRamEqTnSEtedOGZnLV1QMIKgPZrAd88K6MAghc8529Idl12rXXoq+eNhouL 9BnUD8mxibuK2JdcWQs9Q== UI-OutboundReport: notjunk:1;M01:P0:F5C1DnPzew8=;YgqK+iYHl2KVBnza3FawQVr13aP QSQeEPgRTv8d/HiQoSSUkH33WdfeCKBP49vFLS898Ni1XGeVwBBghRndtgWXHvxj9N0OzgDVP WVq46FLsdoLi256Sg8rHNoKkt+fNWfzfPTZ7j/AZzVSEncowxGsNjb3dKtwI74RucYlZilK9i 7e9tL1uhivn8AlWFNEh0V3fdN9BYyZfC3CM46Pg0GiGHgfVeuhSkP0Y2NnILYBU3vPc76ovf0 btBlEV+wd3lTFJEFkreqim5MphVtaAYbiC2abHd5xFToi0kiQSN+1I8XPkkmiCOL6q7O/1m0E 1CPab4Z3faLDw2C/3fdAVqiBaYyj8rg2RXzfAb4rhuSqheHs6k3t3cIB16Nu0ZoDozkMGi8WF /IU4iqLcataQEdv77yD/XEx7luhECCHCVwypHPxLHWV3a5KixBoFXReXaZWhh3Lj+i7YaXo3W o0T1aDT4TG6gN6nWLWUD8Ylihi/CaTvdIrXnUa8pBLn8bWZQR6d4sz4H6f+N0L9iU7d+rBla3 Oj7vqqGRqJ3TaiindStvhV5hK1kfcbSUJOS8RPFGnZ0fyr8LETzm04qgWgg7d8DwYRZFM/thy Q1jYfTo5NhBbE7A7o59jmnwuujLQFAILRBbZTqV0YsmaNGVFvMjAri0NZa1VpbQ6A4O18rjWl W0yZdt45bR4RAfAQjYIUx/XSjrqiIh+QDGQHlVonAVbjNAXNtQ2lLxoLe0aCH9fP0aMe2UpsB DLoQUjsaQA0xNEIFY8txTozJkul/bcUaxZNK1TX728nnd1InHv6mca1poCK6NWYx5wdjvQdwI aIhgsEWVjl4w5ynfcb8gHsvg== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240730_002611_359571_8B1AD2F3 X-CRM114-Status: UNSURE ( 5.98 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org =E2=80=A6 > +++ b/drivers/media/platform/mediatek/isp/isp_30/camsv/mtk_camsv30_hw.c > @@ -0,0 +1,413 @@ =E2=80=A6 > +static int mtk_camsv30_runtime_suspend(struct device *dev) > +{ =E2=80=A6 > + 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); > + } =E2=80=A6 Under which circumstances would you become interested to apply a statement like =E2=80=9Cguard(mutex)(&cam_dev->op_lock);=E2=80=9D? https://elixir.bootlin.com/linux/v6.10.2/source/include/linux/mutex.h#L196 Regards, Markus