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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 1laC2u-00EsNE-Rf for linux-arm-kernel@lists.infradead.org; Sat, 24 Apr 2021 06:45:45 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id B293161930; Sat, 24 Apr 2021 06:45:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1619246734; bh=/R60wucnhMxzatTcaaq6aX+wA4KyHRrla+Ogrsx7GxU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fGxOGCEDw7emVbfmqcy/LRzHXKZ0GH+CzQmXW5EnGtQthu9QU/SBU5ZgEqwxxWiBc FbCDMuoeky+RsOMkSAeO5JNJFDIqX81lKc4pvE1ROLNClyVSWFPaSn1sPswhnJo/ag dRRcBRodIRaIzFlJjN9Rta+T110d7QJ4//BaNnsxhEh+GzPPwY5dh/xUT3JxIRhAeA G8HwF4R+D5ia7F8B5r5ohnPG08I0H0qf5A4GsgP8aULQa36mrqx37fz1YSPKkqzbBr BadhMMj2VCywfwH8/PJOshLrP6jIQx7oi8AkuDlYoEK3S532SoeYCV/+6KY0215mke qmGNFXbzCkUcw== Received: by mail.kernel.org with local (Exim 4.94) (envelope-from ) id 1laC2n-004Jhk-BC; Sat, 24 Apr 2021 08:45:33 +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 75/78] media: stm32: use pm_runtime_resume_and_get() Date: Sat, 24 Apr 2021 08:45:25 +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-20210423_234540_969153_F2F081E6 X-CRM114-Status: GOOD ( 10.90 ) 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.