From patchwork Wed Apr 28 14:52:36 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: 12229131 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 91844C433B4 for ; Wed, 28 Apr 2021 14:55:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5A77E61008 for ; Wed, 28 Apr 2021 14:55:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240816AbhD1O4F (ORCPT ); Wed, 28 Apr 2021 10:56:05 -0400 Received: from mail.kernel.org ([198.145.29.99]:36654 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240276AbhD1Oxk (ORCPT ); Wed, 28 Apr 2021 10:53:40 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 5804C616E8; 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=DzFwWWrx/K8GcHK3QK7SiLSCre5vWmnzlplRbKVIaVw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CSuiwcG175X8vh9j+r6co3XBF+k4NNgAtn05P6y3agoZ5eHxEkUMGAJZtXGA+BFpm 3aMlXy2jopO4fvdWaM1bIYTulSuaEiHwwhQJy/yyhp+2AI+5z4PPp4l7UHNuDna6MZ 92A3kSNu9SHVW4n+Q5+iXhDClgMZWSHLZ4kWDAOS95OAfuc82ALwnFSsvuS0Ha+IJv +aeQmuA/wVI93EbAZvDrFk3X3kd+BbIzmCKxQZk4lWTjNgk5LqapP9Wd102TmAxuJ+ nPfUPvLtjPn9GHV4vh0rYgz9eOB/YHHKYQ+ErBlqMmJ0ma8HpGmaAx0TH9e8EwkMpD IPH/uPWEaikMg== Received: by mail.kernel.org with local (Exim 4.94) (envelope-from ) id 1lblYS-001DtH-0b; Wed, 28 Apr 2021 16:52:44 +0200 From: Mauro Carvalho Chehab Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Mauro Carvalho Chehab , Benoit Parrot , Mauro Carvalho Chehab , linux-kernel@vger.kernel.org, linux-media@vger.kernel.org Subject: [PATCH v4 75/79] media: ti-vpe: use pm_runtime_resume_and_get() Date: Wed, 28 Apr 2021 16:52:36 +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-media@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/ti-vpe/cal-video.c | 4 +++- drivers/media/platform/ti-vpe/cal.c | 8 +++++--- drivers/media/platform/ti-vpe/vpe.c | 4 +--- 3 files changed, 9 insertions(+), 7 deletions(-) diff --git a/drivers/media/platform/ti-vpe/cal-video.c b/drivers/media/platform/ti-vpe/cal-video.c index 7b7436a355ee..15fb5360cf13 100644 --- a/drivers/media/platform/ti-vpe/cal-video.c +++ b/drivers/media/platform/ti-vpe/cal-video.c @@ -700,7 +700,9 @@ static int cal_start_streaming(struct vb2_queue *vq, unsigned int count) addr = vb2_dma_contig_plane_dma_addr(&buf->vb.vb2_buf, 0); - pm_runtime_get_sync(ctx->cal->dev); + ret = pm_runtime_resume_and_get(ctx->cal->dev); + if (ret < 0) + goto error_pipeline; cal_ctx_set_dma_addr(ctx, addr); cal_ctx_start(ctx); diff --git a/drivers/media/platform/ti-vpe/cal.c b/drivers/media/platform/ti-vpe/cal.c index 2e2bef91b2b0..76fe7a8b33f6 100644 --- a/drivers/media/platform/ti-vpe/cal.c +++ b/drivers/media/platform/ti-vpe/cal.c @@ -1024,7 +1024,7 @@ static int cal_probe(struct platform_device *pdev) /* Read the revision and hardware info to verify hardware access. */ pm_runtime_enable(&pdev->dev); - ret = pm_runtime_get_sync(&pdev->dev); + ret = pm_runtime_resume_and_get(&pdev->dev); if (ret) goto error_pm_runtime; @@ -1098,10 +1098,11 @@ static int cal_remove(struct platform_device *pdev) { struct cal_dev *cal = platform_get_drvdata(pdev); unsigned int i; + int ret; cal_dbg(1, cal, "Removing %s\n", CAL_MODULE_NAME); - pm_runtime_get_sync(&pdev->dev); + ret = pm_runtime_resume_and_get(&pdev->dev); cal_media_unregister(cal); @@ -1115,7 +1116,8 @@ static int cal_remove(struct platform_device *pdev) for (i = 0; i < cal->data->num_csi2_phy; i++) cal_camerarx_destroy(cal->phy[i]); - pm_runtime_put_sync(&pdev->dev); + if (ret >= 0) + pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); return 0; diff --git a/drivers/media/platform/ti-vpe/vpe.c b/drivers/media/platform/ti-vpe/vpe.c index 10251b787674..07cb2c140295 100644 --- a/drivers/media/platform/ti-vpe/vpe.c +++ b/drivers/media/platform/ti-vpe/vpe.c @@ -2471,10 +2471,8 @@ static int vpe_runtime_get(struct platform_device *pdev) dev_dbg(&pdev->dev, "vpe_runtime_get\n"); - r = pm_runtime_get_sync(&pdev->dev); + r = pm_runtime_resume_and_get(&pdev->dev); WARN_ON(r < 0); - if (r) - pm_runtime_put_noidle(&pdev->dev); return r < 0 ? r : 0; }