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Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lblYW-00HVSk-0w for linux-arm-kernel@lists.infradead.org; Wed, 28 Apr 2021 14:52:52 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 2DF1B61613; Wed, 28 Apr 2021 14:52:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1619621564; bh=/R60wucnhMxzatTcaaq6aX+wA4KyHRrla+Ogrsx7GxU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=f9chViMs3E4W7TC7maIn7wiUQ4uOsIa58vIJZBldqJPCAjN4dA9W5L3AtC/OU1w0L jWb1/AbmXGmQkBJqs6e0NgoMgSyrSOXFzGVp4pPSq7hc79Nm55tTclGe3fAUGnVz5e x3NxLPuPGuGyQvb3SwPzRN/7WYpapNMHH0EzZzWrAyHfvrCMY639oNLPRTXWBiK37p Cvp82r/YZagqgx8ZIs1popTCucIkmm/FzXRdBNq3YkSzojrefzlP1NE2UOBS9g4Ycd fwqF6UO6yrZN8Ort/1+xObArJ+FjzZrPdeXISRO2SggVtVcpe/Vp+xJBG/J0TDIHSv mEN1PCZyD5LmA== Received: by mail.kernel.org with local (Exim 4.94) (envelope-from ) id 1lblYR-001Dt7-RR; Wed, 28 Apr 2021 16:52:43 +0200 From: Mauro Carvalho Chehab To: Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Mauro Carvalho Chehab , Alexandre Torgue , Hugues Fruchet , Mauro Carvalho Chehab , Maxime Coquelin , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com Subject: [PATCH v4 73/79] media: stm32: use pm_runtime_resume_and_get() Date: Wed, 28 Apr 2021 16:52:34 +0200 Message-Id: X-Mailer: git-send-email 2.30.2 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210428_075248_132110_38FF336F X-CRM114-Status: GOOD ( 12.07 ) 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 Commit dd8088d5a896 ("PM: runtime: Add pm_runtime_resume_and_get to deal with usage counter") added pm_runtime_resume_and_get() in order to automatically handle dev->power.usage_count decrement on errors. Use the new API, in order to cleanup the error check logic. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/stm32/stm32-dcmi.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/stm32/stm32-dcmi.c b/drivers/media/platform/stm32/stm32-dcmi.c index bbcc2254fa2e..5f4e1db8cfcd 100644 --- a/drivers/media/platform/stm32/stm32-dcmi.c +++ b/drivers/media/platform/stm32/stm32-dcmi.c @@ -723,11 +723,11 @@ static int dcmi_start_streaming(struct vb2_queue *vq, unsigned int count) u32 val = 0; int ret; - ret = pm_runtime_get_sync(dcmi->dev); + ret = pm_runtime_resume_and_get(dcmi->dev); if (ret < 0) { dev_err(dcmi->dev, "%s: Failed to start streaming, cannot get sync (%d)\n", __func__, ret); - goto err_pm_put; + goto err_unlock; } ret = media_pipeline_start(&dcmi->vdev->entity, &dcmi->pipeline); @@ -848,6 +848,7 @@ static int dcmi_start_streaming(struct vb2_queue *vq, unsigned int count) err_pm_put: pm_runtime_put(dcmi->dev); +err_unlock: spin_lock_irq(&dcmi->irqlock); /* * Return all buffers to vb2 in QUEUED state.