From patchwork Tue May 21 07:36:07 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anastasia Belova X-Patchwork-Id: 798097 Received: from new-mail.astralinux.ru (new-mail.astralinux.ru [51.250.53.164]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7B85717740; Tue, 21 May 2024 07:46:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=51.250.53.164 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716277565; cv=none; b=ZT0fTQ/CnAPfx/41LdT72I/QdtpeBystaN08ii1wO3XNfoW5l/J5YHZHUXxyO8L+A0D0EKOnkhg85Z9M8YuJ39B2tJSi3IgeSo/ldGXlaOccM9U8WsiBv84/Xn2l9keAlZN4EzhsS6SVeji7jWsaEh07KjUfKEzpXoMAr/O58Qk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716277565; c=relaxed/simple; bh=ReNLlDgpjZ1jaZiHgCEwYSvsQ1fg9dcm9wtlMCL728U=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=lhX2nNAswCQzGcohMdA7edf2M3tkAOjAtQyCEgquALohsUfd3RKnGxONyA8HNk/Hmh+qRIq9pJQKVO8z0JazS35MbJBv15gf9e8l0FoGRhxEfgqrpsgLb8jM5lJwEr8tOaX/Er8Lz8bxArzmPQeqIPA5qo5ZItzkjhoQKIGJaAw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=astralinux.ru; spf=pass smtp.mailfrom=astralinux.ru; arc=none smtp.client-ip=51.250.53.164 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=astralinux.ru Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=astralinux.ru Received: from rbta-msk-lt-106062.astralinux.ru (unknown [10.177.15.104]) by new-mail.astralinux.ru (Postfix) with ESMTPA id 4Vk5qD5KW8zqSR3; Tue, 21 May 2024 10:36:56 +0300 (MSK) From: Anastasia Belova To: Sylwester Nawrocki Cc: Anastasia Belova , Mauro Carvalho Chehab , Krzysztof Kozlowski , Alim Akhtar , Kyungmin Park , linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH RFC] [media] s5p-fimc: fix sleep in atomic in flite_hw_reset Date: Tue, 21 May 2024 10:36:07 +0300 Message-Id: <20240521073607.19426-1-abelova@astralinux.ru> X-Mailer: git-send-email 2.30.2 Precedence: bulk X-Mailing-List: linux-samsung-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-DrWeb-SpamScore: -100 X-DrWeb-SpamState: legit X-DrWeb-SpamDetail: gggruggvucftvghtrhhoucdtuddrgedvfedrvdehuddgtddvucetufdoteggodetrfcurfhrohhfihhlvgemucfftfghgfeunecuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpefhvfevufffkffoggfgsedtkeertdertddtnecuhfhrohhmpeetnhgrshhtrghsihgruceuvghlohhvrgcuoegrsggvlhhovhgrsegrshhtrhgrlhhinhhugidrrhhuqeenucggtffrrghtthgvrhhnpeffhfffiefggedvjeduhfdtjefgvdfhteeivdfgleevleeihfejhfefkeethfegheenucfkphepuddtrddujeejrdduhedruddtgeenucfrrghrrghmpehhvghloheprhgsthgrqdhmshhkqdhlthdquddtiedtiedvrdgrshhtrhgrlhhinhhugidrrhhupdhinhgvthepuddtrddujeejrdduhedruddtgeemfeehgeeigedpmhgrihhlfhhrohhmpegrsggvlhhovhgrsegrshhtrhgrlhhinhhugidrrhhupdhnsggprhgtphhtthhopedutddprhgtphhtthhopehsrdhnrgifrhhotghkihesshgrmhhsuhhnghdrtghomhdprhgtphhtthhopegrsggvlhhovhgrsegrshhtrhgrlhhinhhugidrrhhupdhrtghpthhtohepmhgthhgvhhgrsgeskhgvrhhnvghlrdhorhhgpdhrtghpthhtohepkhhriihksehkvghrnhgvlhdrohhrghdprhgtphhtthhopegrlhhimhdrrghkhhhtrghrsehsrghmshhunhhgrdgtohhmpdhrtghpthhtohepkhihuhhnghhmihhnrdhprghrkh esshgrmhhsuhhnghdrtghomhdprhgtphhtthhopehlihhnuhigqdhmvgguihgrsehvghgvrhdrkhgvrhhnvghlrdhorhhgpdhrtghpthhtoheplhhinhhugidqrghrmhdqkhgvrhhnvghlsehlihhsthhsrdhinhhfrhgruggvrggurdhorhhgpdhrtghpthhtoheplhhinhhugidqshgrmhhsuhhnghdqshhotgesvhhgvghrrdhkvghrnhgvlhdrohhrghdprhgtphhtthhopehlihhnuhigqdhkvghrnhgvlhesvhhgvghrrdhkvghrnhgvlhdrohhrgh X-DrWeb-SpamVersion: Vade Retro 01.423.251#02 AS+AV+AP Profile: DRWEB; Bailout: 300 X-AntiVirus: Checked by Dr.Web [MailD: 11.1.19.2307031128, SE: 11.1.12.2210241838, Core engine: 7.00.62.01180, Virus records: 12694235, Updated: 2024-May-21 05:22:48 UTC] flite_hw_reset is called in fimc_lite_resume with spinlock acquired that is forbidden. Replace usleep_range with udelay. Fixes: 2b511edb986f ("[media] s5p-fimc: Add FIMC-LITE register definitions") Signed-off-by: Anastasia Belova --- drivers/media/platform/samsung/exynos4-is/fimc-lite-reg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/platform/samsung/exynos4-is/fimc-lite-reg.c b/drivers/media/platform/samsung/exynos4-is/fimc-lite-reg.c index 2483277a6cb0..f1e7375c9a5f 100644 --- a/drivers/media/platform/samsung/exynos4-is/fimc-lite-reg.c +++ b/drivers/media/platform/samsung/exynos4-is/fimc-lite-reg.c @@ -30,7 +30,7 @@ void flite_hw_reset(struct fimc_lite *dev) cfg = readl(dev->regs + FLITE_REG_CIGCTRL); if (cfg & FLITE_REG_CIGCTRL_SWRST_RDY) break; - usleep_range(1000, 5000); + udelay(1000); } cfg |= FLITE_REG_CIGCTRL_SWRST;