From patchwork Tue Apr 27 10:12:48 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: 428204 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 03ECCC433ED for ; Tue, 27 Apr 2021 10:14:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C4772613C8 for ; Tue, 27 Apr 2021 10:14:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235498AbhD0KO5 (ORCPT ); Tue, 27 Apr 2021 06:14:57 -0400 Received: from mail.kernel.org ([198.145.29.99]:34910 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235380AbhD0KOf (ORCPT ); Tue, 27 Apr 2021 06:14:35 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 45F64613F3; Tue, 27 Apr 2021 10:13:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1619518431; bh=ZOYDC8nizVOemN97ng0w67F2uxMXkIsqLhOdGgCw1ys=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ltbs4haX77wUTaNgOEPnkCkZ5mFTCSyn0QYu8/7qqZBV13a09lu4T5A0rYj/ZEpEP uzX25/iWkZqaoIM3h6qfKibVdPRayUV6uk5aeUCYsa65+azmLIb/8nxuGqFF3rzlKL eTMBve+MVtSJ+HMcNJgxZA+LAgeV0Zya1jy9xtyxvmbBl7QVUP8zsgG4cgo+PbJ0Mh CSZIR0SdezMrSGvkzVTicfJGFnYJklNBN2DBgnYFk+I02MSYtoLfUqDboUaQ/7iR5t RigO9HTjK+mSMEKIt/M1CCMj6czpg92eFlYHoIsip98CwhCrwcctX+KoUPRKeJJmNe 5xnxUBEEGSTRg== Received: by mail.kernel.org with local (Exim 4.94) (envelope-from ) id 1lbKiz-000j5b-0M; Tue, 27 Apr 2021 12:13:49 +0200 From: Mauro Carvalho Chehab Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Mauro Carvalho Chehab , Greg Kroah-Hartman , Mauro Carvalho Chehab , Sakari Ailus , devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org Subject: [PATCH v2 21/79] staging: media: atomisp_fops: use pm_runtime_resume_and_get() Date: Tue, 27 Apr 2021 12:12:48 +0200 Message-Id: <6db5624e2d137349965451f66bc47bbde357c60c.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-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/staging/media/atomisp/pci/atomisp_fops.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/staging/media/atomisp/pci/atomisp_fops.c b/drivers/staging/media/atomisp/pci/atomisp_fops.c index f1e6b2597853..26d05474a035 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_fops.c +++ b/drivers/staging/media/atomisp/pci/atomisp_fops.c @@ -837,7 +837,7 @@ static int atomisp_open(struct file *file) } /* runtime power management, turn on ISP */ - ret = pm_runtime_get_sync(vdev->v4l2_dev->dev); + ret = pm_runtime_resume_and_get(vdev->v4l2_dev->dev); if (ret < 0) { dev_err(isp->dev, "Failed to power on device\n"); goto error; @@ -881,9 +881,9 @@ static int atomisp_open(struct file *file) css_error: atomisp_css_uninit(isp); -error: - hmm_pool_unregister(HMM_POOL_TYPE_DYNAMIC); pm_runtime_put(vdev->v4l2_dev->dev); +error: + hmm_pool_unregister(HMM_POOL_TYPE_DYNAMIC); rt_mutex_unlock(&isp->mutex); return ret; }