From patchwork Tue Apr 27 10:12:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mauro Carvalho Chehab X-Patchwork-Id: 428249 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 446B1C43460 for ; Tue, 27 Apr 2021 10:13:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0B58C613D4 for ; Tue, 27 Apr 2021 10:13:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235445AbhD0KOh (ORCPT ); Tue, 27 Apr 2021 06:14:37 -0400 Received: from mail.kernel.org ([198.145.29.99]:34656 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235362AbhD0KOf (ORCPT ); Tue, 27 Apr 2021 06:14:35 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id E6A47613C8; Tue, 27 Apr 2021 10:13:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1619518431; bh=f7qp1inQpFhzLXGKfN6L+okBW8R7Adck1d72J+XCiZM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LxNL0qj3rr1b2/nH8+UwBD8iLX4yyUe6p0kSfE5DZIeGha3gEC9iDUmCk6Jv/eP4/ dv2eQ/bK39W03llKAissmZssAou4xejK9aTKW/CBO+w8Tz46lh61VrsJlPy0m4pg83 ppBF7hmgdGAqv9p7BBkUql34pF3lBxeWxCz6wIkNfJFj9xPbmz6OWKGaDzgzpOhLiV KlC8BmTid9T5URTl1j9FG9g82aOlzv5NXKRxi2xCQOSRSzBeg3M3dbi63kwFfc6VdY F2omCVA2qbMyN7YtCqcZTW83u6fM31e7u2EKnGrbeQdj4QDjOC8yEnThgLPoHb80xa t/z07HtOn9U8Q== Received: by mail.kernel.org with local (Exim 4.94) (envelope-from ) id 1lbKiy-000j4s-Es; Tue, 27 Apr 2021 12:13:48 +0200 From: Mauro Carvalho Chehab Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Mauro Carvalho Chehab , Ezequiel Garcia , Hans Verkuil , Krzysztof Kozlowski , Mauro Carvalho Chehab , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-samsung-soc@vger.kernel.org Subject: [PATCH v2 06/79] media: exynos-gsc: don't resume at remove time Date: Tue, 27 Apr 2021 12:12:33 +0200 Message-Id: <7f29a390daf93c38c4d52b9ccdfb113df5ebace7.1619518193.git.mchehab+huawei@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: References: MIME-Version: 1.0 Sender: Mauro Carvalho Chehab To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Calling pm_runtime_get_sync() at driver's removal time is not needed, as this will resume PM runtime. Also, the PM runtime code at pm_runtime_disable() already calls it, if it detects the need. So, simplify the code by getting rid of that. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/exynos-gsc/gsc-core.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/media/platform/exynos-gsc/gsc-core.c b/drivers/media/platform/exynos-gsc/gsc-core.c index 9f41c2e7097a..70e86cdc1012 100644 --- a/drivers/media/platform/exynos-gsc/gsc-core.c +++ b/drivers/media/platform/exynos-gsc/gsc-core.c @@ -1210,8 +1210,6 @@ static int gsc_remove(struct platform_device *pdev) struct gsc_dev *gsc = platform_get_drvdata(pdev); int i; - pm_runtime_get_sync(&pdev->dev); - gsc_unregister_m2m_device(gsc); v4l2_device_unregister(&gsc->v4l2_dev); @@ -1219,7 +1217,6 @@ static int gsc_remove(struct platform_device *pdev) for (i = 0; i < gsc->num_clocks; i++) clk_disable_unprepare(gsc->clock[i]); - pm_runtime_put_noidle(&pdev->dev); pm_runtime_disable(&pdev->dev); dev_dbg(&pdev->dev, "%s driver unloaded\n", pdev->name); From patchwork Tue Apr 27 10:12:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mauro Carvalho Chehab X-Patchwork-Id: 429006 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7D796C43600 for ; Tue, 27 Apr 2021 10:13:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5C4DE613D4 for ; Tue, 27 Apr 2021 10:13:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235451AbhD0KOh (ORCPT ); Tue, 27 Apr 2021 06:14:37 -0400 Received: from mail.kernel.org ([198.145.29.99]:34862 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235369AbhD0KOf (ORCPT ); Tue, 27 Apr 2021 06:14:35 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 0AC42613D7; Tue, 27 Apr 2021 10:13:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1619518431; bh=ozAIBQhBgl4hYvo20eM4TXq01azS0FPBmDKGIed3VZ0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SuwsfLYcUi38xmu83GyBHZLxUohbg1NqqupeRKfqB3+/nM99vKRGZZezvrhVoh8iI e4CcnC4riQ1gOlnXfX+xChGqaPaNwQfEef+9eDfMnvHnctwkFhTXh5JM6PIHY/ld4F WHayV2J9qR4bhDdtkw55iYIdOrdIfg+xH7/nUGVIZxfz0duBTGvXDjCp2l06oH7F/n ctA5RGU3WEANvjfiqvO+czngubNbQVPMn0iMG7FIjvVxyqb28XgXnJLIQJzWRVZXeM 7kLdNabtcr51VayI4eqV8Qsqo6AC/f/CUrxYKjsZ9HUIZDS0uqrVUI2dhh5UsvSqu2 zmJijurrDoDFA== Received: by mail.kernel.org with local (Exim 4.94) (envelope-from ) id 1lbKiy-000j5D-NB; Tue, 27 Apr 2021 12:13:48 +0200 From: Mauro Carvalho Chehab Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Mauro Carvalho Chehab , Hans Verkuil , Marek Szyprowski , Mauro Carvalho Chehab , linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-samsung-soc@vger.kernel.org Subject: [PATCH v2 13/79] media: s5p: fix pm_runtime_get_sync() usage count Date: Tue, 27 Apr 2021 12:12:40 +0200 Message-Id: X-Mailer: git-send-email 2.30.2 In-Reply-To: References: MIME-Version: 1.0 Sender: Mauro Carvalho Chehab To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org The pm_runtime_get_sync() internally increments the dev->power.usage_count without decrementing it, even on errors. Replace it by the new pm_runtime_resume_and_get(), introduced by: commit dd8088d5a896 ("PM: runtime: Add pm_runtime_resume_and_get to deal with usage counter") in order to properly decrement the usage counter and avoid memory leaks. While here, check if the PM runtime error was caught at s5p_cec_adap_enable(). Signed-off-by: Mauro Carvalho Chehab --- drivers/media/cec/platform/s5p/s5p_cec.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/media/cec/platform/s5p/s5p_cec.c b/drivers/media/cec/platform/s5p/s5p_cec.c index 2a3e7ffefe0a..2250c1cbc64e 100644 --- a/drivers/media/cec/platform/s5p/s5p_cec.c +++ b/drivers/media/cec/platform/s5p/s5p_cec.c @@ -35,10 +35,13 @@ MODULE_PARM_DESC(debug, "debug level (0-2)"); static int s5p_cec_adap_enable(struct cec_adapter *adap, bool enable) { + int ret; struct s5p_cec_dev *cec = cec_get_drvdata(adap); if (enable) { - pm_runtime_get_sync(cec->dev); + ret = pm_runtime_resume_and_get(cec->dev); + if (ret < 0) + return ret; s5p_cec_reset(cec); From patchwork Tue Apr 27 10:13:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mauro Carvalho Chehab X-Patchwork-Id: 429005 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5D033C43462 for ; Tue, 27 Apr 2021 10:14:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 385A561185 for ; Tue, 27 Apr 2021 10:14:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236417AbhD0KPP (ORCPT ); Tue, 27 Apr 2021 06:15:15 -0400 Received: from mail.kernel.org ([198.145.29.99]:35156 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235133AbhD0KOt (ORCPT ); Tue, 27 Apr 2021 06:14:49 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 417B461924; Tue, 27 Apr 2021 10:13:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1619518433; bh=vqCg/VqSgTT9WFZipquUww7WREOlNkMrO5HLAuTAHyQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ec7jCkiktrAFOKDsD6WO49JQ3NMdF7rHf47jiJUxfWvFeHIY6wItvaM/CO1CxLXZc mVWEHSU+eHS9oijLrtopjzkdh464OSazv5dTfMEkeZJubqSW3wSnJmFVeZiKVNL9I+ h/Ko+6LjgDI91bqPhDI4yoo/Pa6EK2ZdamzEfzY4nOvBLjQcx2glTqlao9Xhc4ZRY+ 1/gm0fxVX6JVcImQusYic5epwppK+LmENx0fvwExM2SylXEdTznFCiEUM1b+rv+vO9 sdSYI/uoa22o7VkTQHVZXcZLov9KpaEjE5JHMgvx8ZhoBP8YLn/xe7CVN1tSH5FTME zgt6IzZ2hnU/w== Received: by mail.kernel.org with local (Exim 4.94) (envelope-from ) id 1lbKj1-000j7a-Er; Tue, 27 Apr 2021 12:13:51 +0200 From: Mauro Carvalho Chehab Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Mauro Carvalho Chehab , Krzysztof Kozlowski , Mauro Carvalho Chehab , Sylwester Nawrocki , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-samsung-soc@vger.kernel.org Subject: [PATCH v2 62/79] media: exynos4-is: use pm_runtime_resume_and_get() Date: Tue, 27 Apr 2021 12:13:29 +0200 Message-Id: <549d4b739a70d1b273590693a14cf9c0efefa8c1.1619518193.git.mchehab+huawei@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: References: MIME-Version: 1.0 Sender: Mauro Carvalho Chehab To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.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/exynos4-is/fimc-capture.c | 6 ++---- drivers/media/platform/exynos4-is/fimc-is.c | 4 ++-- drivers/media/platform/exynos4-is/fimc-isp-video.c | 3 +-- drivers/media/platform/exynos4-is/fimc-isp.c | 7 +++---- drivers/media/platform/exynos4-is/fimc-lite.c | 5 +++-- drivers/media/platform/exynos4-is/fimc-m2m.c | 2 +- drivers/media/platform/exynos4-is/media-dev.c | 8 +++----- drivers/media/platform/exynos4-is/mipi-csis.c | 8 +++----- 8 files changed, 18 insertions(+), 25 deletions(-) diff --git a/drivers/media/platform/exynos4-is/fimc-capture.c b/drivers/media/platform/exynos4-is/fimc-capture.c index 13c838d3f947..0da36443173c 100644 --- a/drivers/media/platform/exynos4-is/fimc-capture.c +++ b/drivers/media/platform/exynos4-is/fimc-capture.c @@ -478,11 +478,9 @@ static int fimc_capture_open(struct file *file) goto unlock; set_bit(ST_CAPT_BUSY, &fimc->state); - ret = pm_runtime_get_sync(&fimc->pdev->dev); - if (ret < 0) { - pm_runtime_put_sync(&fimc->pdev->dev); + ret = pm_runtime_resume_and_get(&fimc->pdev->dev); + if (ret < 0) goto unlock; - } ret = v4l2_fh_open(file); if (ret) { diff --git a/drivers/media/platform/exynos4-is/fimc-is.c b/drivers/media/platform/exynos4-is/fimc-is.c index 972d9601d236..1b24f5bfc4af 100644 --- a/drivers/media/platform/exynos4-is/fimc-is.c +++ b/drivers/media/platform/exynos4-is/fimc-is.c @@ -828,9 +828,9 @@ static int fimc_is_probe(struct platform_device *pdev) goto err_irq; } - ret = pm_runtime_get_sync(dev); + ret = pm_runtime_resume_and_get(dev); if (ret < 0) - goto err_pm; + goto err_irq; vb2_dma_contig_set_max_seg_size(dev, DMA_BIT_MASK(32)); diff --git a/drivers/media/platform/exynos4-is/fimc-isp-video.c b/drivers/media/platform/exynos4-is/fimc-isp-video.c index 612b9872afc8..8d9dc597deaa 100644 --- a/drivers/media/platform/exynos4-is/fimc-isp-video.c +++ b/drivers/media/platform/exynos4-is/fimc-isp-video.c @@ -275,7 +275,7 @@ static int isp_video_open(struct file *file) if (ret < 0) goto unlock; - ret = pm_runtime_get_sync(&isp->pdev->dev); + ret = pm_runtime_resume_and_get(&isp->pdev->dev); if (ret < 0) goto rel_fh; @@ -293,7 +293,6 @@ static int isp_video_open(struct file *file) if (!ret) goto unlock; rel_fh: - pm_runtime_put_noidle(&isp->pdev->dev); v4l2_fh_release(file); unlock: mutex_unlock(&isp->video_lock); diff --git a/drivers/media/platform/exynos4-is/fimc-isp.c b/drivers/media/platform/exynos4-is/fimc-isp.c index a77c49b18511..74b49d30901e 100644 --- a/drivers/media/platform/exynos4-is/fimc-isp.c +++ b/drivers/media/platform/exynos4-is/fimc-isp.c @@ -304,11 +304,10 @@ static int fimc_isp_subdev_s_power(struct v4l2_subdev *sd, int on) pr_debug("on: %d\n", on); if (on) { - ret = pm_runtime_get_sync(&is->pdev->dev); - if (ret < 0) { - pm_runtime_put(&is->pdev->dev); + ret = pm_runtime_resume_and_get(&is->pdev->dev); + if (ret < 0) return ret; - } + set_bit(IS_ST_PWR_ON, &is->state); ret = fimc_is_start_firmware(is); diff --git a/drivers/media/platform/exynos4-is/fimc-lite.c b/drivers/media/platform/exynos4-is/fimc-lite.c index fe20af3a7178..4d8b18078ff3 100644 --- a/drivers/media/platform/exynos4-is/fimc-lite.c +++ b/drivers/media/platform/exynos4-is/fimc-lite.c @@ -469,9 +469,9 @@ static int fimc_lite_open(struct file *file) } set_bit(ST_FLITE_IN_USE, &fimc->state); - ret = pm_runtime_get_sync(&fimc->pdev->dev); + ret = pm_runtime_resume_and_get(&fimc->pdev->dev); if (ret < 0) - goto err_pm; + goto err_in_use; ret = v4l2_fh_open(file); if (ret < 0) @@ -499,6 +499,7 @@ static int fimc_lite_open(struct file *file) v4l2_fh_release(file); err_pm: pm_runtime_put_sync(&fimc->pdev->dev); +err_in_use: clear_bit(ST_FLITE_IN_USE, &fimc->state); unlock: mutex_unlock(&fimc->lock); diff --git a/drivers/media/platform/exynos4-is/fimc-m2m.c b/drivers/media/platform/exynos4-is/fimc-m2m.c index c9704a147e5c..7c1eb05c508f 100644 --- a/drivers/media/platform/exynos4-is/fimc-m2m.c +++ b/drivers/media/platform/exynos4-is/fimc-m2m.c @@ -75,7 +75,7 @@ static int start_streaming(struct vb2_queue *q, unsigned int count) struct fimc_ctx *ctx = q->drv_priv; int ret; - ret = pm_runtime_get_sync(&ctx->fimc_dev->pdev->dev); + ret = pm_runtime_resume_and_get(&ctx->fimc_dev->pdev->dev); return ret > 0 ? 0 : ret; } diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c index 13d192ba4aa6..9346d44a06c2 100644 --- a/drivers/media/platform/exynos4-is/media-dev.c +++ b/drivers/media/platform/exynos4-is/media-dev.c @@ -512,11 +512,9 @@ static int fimc_md_register_sensor_entities(struct fimc_md *fmd) if (!fmd->pmf) return -ENXIO; - ret = pm_runtime_get_sync(fmd->pmf); - if (ret < 0) { - pm_runtime_put(fmd->pmf); + ret = pm_runtime_resume_and_get(fmd->pmf); + if (ret < 0) return ret; - } fmd->num_sensors = 0; @@ -1291,7 +1289,7 @@ static int cam_clk_prepare(struct clk_hw *hw) if (camclk->fmd->pmf == NULL) return -ENODEV; - ret = pm_runtime_get_sync(camclk->fmd->pmf); + ret = pm_runtime_resume_and_get(camclk->fmd->pmf); return ret < 0 ? ret : 0; } diff --git a/drivers/media/platform/exynos4-is/mipi-csis.c b/drivers/media/platform/exynos4-is/mipi-csis.c index 1aac167abb17..2a6afb78a049 100644 --- a/drivers/media/platform/exynos4-is/mipi-csis.c +++ b/drivers/media/platform/exynos4-is/mipi-csis.c @@ -494,7 +494,7 @@ static int s5pcsis_s_power(struct v4l2_subdev *sd, int on) struct device *dev = &state->pdev->dev; if (on) - return pm_runtime_get_sync(dev); + return pm_runtime_resume_and_get(dev); return pm_runtime_put_sync(dev); } @@ -509,11 +509,9 @@ static int s5pcsis_s_stream(struct v4l2_subdev *sd, int enable) if (enable) { s5pcsis_clear_counters(state); - ret = pm_runtime_get_sync(&state->pdev->dev); - if (ret && ret != 1) { - pm_runtime_put_noidle(&state->pdev->dev); + ret = pm_runtime_resume_and_get(&state->pdev->dev); + if (ret && ret != 1) return ret; - } } mutex_lock(&state->lock); From patchwork Tue Apr 27 10:13:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mauro Carvalho Chehab X-Patchwork-Id: 428247 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4A38CC433ED for ; Tue, 27 Apr 2021 10:14:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 17E64613CB for ; Tue, 27 Apr 2021 10:14:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235458AbhD0KPQ (ORCPT ); Tue, 27 Apr 2021 06:15:16 -0400 Received: from mail.kernel.org ([198.145.29.99]:34668 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235596AbhD0KOt (ORCPT ); Tue, 27 Apr 2021 06:14:49 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 4995C61929; Tue, 27 Apr 2021 10:13:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1619518433; bh=TKtKuWw4arj9gE1QW5A97zHnmgQIngfUHjaR8gvLIr8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CXnGRQfdAOPG4LJPaz3UjdbjxgfUeP8HomujIYINFkYzY4GB4o8CWCVIW2GR3ELGc 5VGBnYyV04LVREAkDn5MotNmwlQp6dsIqISTpDhAd0dhDLLIGNBe2Gjae0SAUi4ROq mGKXux/PbUCtrheYJMPCFBkmymM9RYnDn7xFnsaP9dFf5uBgC8V34u5OROpWfcBFAd fGqm160n6TzCGEFuhYSOSkSzR9TUP4iZTOz7JlU8tNCOFCEkc0S2vMUYHbZbwtWV55 OcMo3vIL2HzqIFRk11Kbv5ZxQXw7dRpm98Taptk8whbD+RAHd8tH1iIy/UOaMML6X5 KN+ZVDA5jsD6g== Received: by mail.kernel.org with local (Exim 4.94) (envelope-from ) id 1lbKj1-000j7d-Gj; Tue, 27 Apr 2021 12:13:51 +0200 From: Mauro Carvalho Chehab Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Mauro Carvalho Chehab , Ezequiel Garcia , Hans Verkuil , Krzysztof Kozlowski , Mauro Carvalho Chehab , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-samsung-soc@vger.kernel.org Subject: [PATCH v2 63/79] media: exynos-gsc: use pm_runtime_resume_and_get() Date: Tue, 27 Apr 2021 12:13:30 +0200 Message-Id: <6ba2ed04d791b8a1529977920bcc3930c2f3238e.1619518193.git.mchehab+huawei@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: References: MIME-Version: 1.0 Sender: Mauro Carvalho Chehab To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.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/exynos-gsc/gsc-m2m.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/platform/exynos-gsc/gsc-m2m.c b/drivers/media/platform/exynos-gsc/gsc-m2m.c index 27a3c92c73bc..09551e96ac15 100644 --- a/drivers/media/platform/exynos-gsc/gsc-m2m.c +++ b/drivers/media/platform/exynos-gsc/gsc-m2m.c @@ -58,7 +58,7 @@ static int gsc_m2m_start_streaming(struct vb2_queue *q, unsigned int count) struct gsc_ctx *ctx = q->drv_priv; int ret; - ret = pm_runtime_get_sync(&ctx->gsc_dev->pdev->dev); + ret = pm_runtime_resume_and_get(&ctx->gsc_dev->pdev->dev); return ret > 0 ? 0 : ret; } From patchwork Tue Apr 27 10:13:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mauro Carvalho Chehab X-Patchwork-Id: 429004 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 72997C433B4 for ; Tue, 27 Apr 2021 10:15:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4476D60C3D for ; Tue, 27 Apr 2021 10:15:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235556AbhD0KQM (ORCPT ); Tue, 27 Apr 2021 06:16:12 -0400 Received: from mail.kernel.org ([198.145.29.99]:35420 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235766AbhD0KPK (ORCPT ); Tue, 27 Apr 2021 06:15:10 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id BCE7E61951; Tue, 27 Apr 2021 10:13:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1619518433; bh=ORhYQV8MaIIM9QGoq0fv1DmSrG26N8/lfMtTN/XnDlY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ggOlyf1YNtPBHjycx93XL7+9/FJpqcXn1RjwwVtuYy1ppTBb8ut9ATtgAjEu8VsMg dWrKgO7UTs2MCJW1N6VISg4AC7FY/0wiaaiazic1WRTgT80Z/NS8jYHOO0qS2R31+J hMOrgznyM+GpxW3q1+L5g7lEKn14q7QYELvGFeUy8HBkH4HuK7XV8+5TcHl1uA+z+9 hQI2tiIwFeUBNt1vKOwUZBhM6BRIlZcOp3khK6HiPYabOMGMay6v113afJvBRGMOX7 6iOvJKql8hN36/6AgC6NaA3+A2zKAW2C+ArY7/nJQlgsMmJe+zEzHkaQ0V02zK2NSB qSnTGug2neRfA== Received: by mail.kernel.org with local (Exim 4.94) (envelope-from ) id 1lbKj1-000j81-UR; Tue, 27 Apr 2021 12:13:51 +0200 From: Mauro Carvalho Chehab Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Mauro Carvalho Chehab , Mauro Carvalho Chehab , Sylwester Nawrocki , linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-samsung-soc@vger.kernel.org Subject: [PATCH v2 71/79] media: s3c-camif: use pm_runtime_resume_and_get() Date: Tue, 27 Apr 2021 12:13:38 +0200 Message-Id: <77cb3497163bedc3a75555b4cca4cb980c7756b2.1619518193.git.mchehab+huawei@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: References: MIME-Version: 1.0 Sender: Mauro Carvalho Chehab To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.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/s3c-camif/camif-capture.c | 2 +- drivers/media/platform/s3c-camif/camif-core.c | 5 +++-- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/media/platform/s3c-camif/camif-capture.c b/drivers/media/platform/s3c-camif/camif-capture.c index 9ca49af29542..62241ec3b978 100644 --- a/drivers/media/platform/s3c-camif/camif-capture.c +++ b/drivers/media/platform/s3c-camif/camif-capture.c @@ -547,7 +547,7 @@ static int s3c_camif_open(struct file *file) if (ret < 0) goto unlock; - ret = pm_runtime_get_sync(camif->dev); + ret = pm_runtime_resume_and_get(camif->dev); if (ret < 0) goto err_pm; diff --git a/drivers/media/platform/s3c-camif/camif-core.c b/drivers/media/platform/s3c-camif/camif-core.c index 4c3c00d59c92..e1d51fd3e700 100644 --- a/drivers/media/platform/s3c-camif/camif-core.c +++ b/drivers/media/platform/s3c-camif/camif-core.c @@ -460,9 +460,9 @@ static int s3c_camif_probe(struct platform_device *pdev) pm_runtime_enable(dev); - ret = pm_runtime_get_sync(dev); + ret = pm_runtime_resume_and_get(dev); if (ret < 0) - goto err_pm; + goto err_disable; ret = camif_media_dev_init(camif); if (ret < 0) @@ -502,6 +502,7 @@ static int s3c_camif_probe(struct platform_device *pdev) camif_unregister_media_entities(camif); err_pm: pm_runtime_put(dev); +err_disable: pm_runtime_disable(dev); camif_clk_put(camif); err_clk: