From patchwork Mon Jun 3 09:28:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wolfram Sang X-Patchwork-Id: 102157 X-Patchwork-Delegate: hverkuil@xs4all.nl Received: from ny.mirrors.kernel.org ([147.75.199.223]) by linuxtv.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1sE41w-0000Zy-0T for patchwork@linuxtv.org; Mon, 03 Jun 2024 09:31:05 +0000 Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id F2A4B1C20C62 for ; Mon, 3 Jun 2024 09:31:02 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 07FCA84E0A; Mon, 3 Jun 2024 09:29:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b="MBAb4wq6" X-Original-To: linux-media@vger.kernel.org Received: from mail.zeus03.de (www.zeus03.de [194.117.254.33]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6540C84A36 for ; Mon, 3 Jun 2024 09:28:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=194.117.254.33 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717406939; cv=none; b=EfLYaFbWGUxYvbIfKIzPxlEjpr+Y4Vwo+Jx7CNOHdHPCpaPy5OAGmeQD1b/xFBymQI7tvqnhLJ7GywP5ydNRcsOFNpSuWKK3wa7/NCv+2kMQXlK3FHo7spFU10m+O1/c17ftQsThvtv0nO9PVB6HMNW2CVc/emNYctsOicNTt2c= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717406939; c=relaxed/simple; bh=C/9KYYddj4qZHqa8y2yNasr0MNOy2tpH9zFMadog84M=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=qRmVoGPwl2MDCCWR3V7xTPwBS2H0SrDN3ymk6rBRV4ZCOIdpW6Vrlo92DadkZEhtppgzTFFSsGOG5AvYg8tnCSKaBEnVAYh0Ojq0WBJUKImT3mDRkAjUk0rEx0j5bTz6iABDiSWosWWpdFGLSLT5DCykuF/LE71uVdAqqtTGFJs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com; spf=pass smtp.mailfrom=sang-engineering.com; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b=MBAb4wq6; arc=none smtp.client-ip=194.117.254.33 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sang-engineering.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= sang-engineering.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; s=k1; bh=ytP13Gl64JFAwriGV8x2mCJjir2yJaQn5QnGdupCrjA=; b=MBAb4w q69zxA+YcZZEOrgzDEnFtr6xBSFn364fpPZ6+qK6Y/su7ZXQFcmRwJIFNww3OzwF RAUa94ILtECzH37bOtAQu37FdSUImWbUcfU7p0BjjFiEQq0Ab8ab1IpBH8AEFvP8 kVcz6xUCj4+/40Q2q8Sh/1aBUtDtTB1Ki0Z+uuwlUMHO3n+g99NRrbjOW4a0CDh3 deVPj18S4Ym2IlHtrHdJDEMLBmmTpJdvFHDcSOMa5TzJKe+qewd7KQInb0LH6s1m fN8aC4iwhdUo/khS/xSVkI/0k2K6i1OFAb791YJDTqRMBQ+uDzMbVziamd0m7wZI c9L5H/3ullyFP1Wg== Received: (qmail 1903270 invoked from network); 3 Jun 2024 11:28:51 +0200 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 3 Jun 2024 11:28:51 +0200 X-UD-Smtp-Session: l3s3148p1@HZUS9vgZPNcgAwDPXzLGAH1eNELjOc3g From: Wolfram Sang To: linux-kernel@vger.kernel.org Cc: Wolfram Sang , Bluecherry Maintainers , Anton Sviridenko , Andrey Utkin , Ismael Luceno , Mauro Carvalho Chehab , linux-media@vger.kernel.org Subject: [PATCH 6/8] media: solo6x10: use 'time_left' variable with wait_for_completion_timeout() Date: Mon, 3 Jun 2024 11:28:37 +0200 Message-ID: <20240603092841.9500-7-wsa+renesas@sang-engineering.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240603092841.9500-1-wsa+renesas@sang-engineering.com> References: <20240603092841.9500-1-wsa+renesas@sang-engineering.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-LSpam-Score: -2.6 (--) X-LSpam-Report: No, score=-2.6 required=5.0 tests=ARC_SIGNED=0.001,ARC_VALID=-0.1,BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,DMARC_MISSING=0.001,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,SPF_HELO_NONE=0.001,SPF_PASS=-0.001 autolearn=ham autolearn_force=no There is a confusing pattern in the kernel to use a variable named 'timeout' to store the result of wait_for_completion_timeout() causing patterns like: timeout = wait_for_completion_timeout(...) if (!timeout) return -ETIMEDOUT; with all kinds of permutations. Use 'time_left' as a variable to make the code self explaining. Fix to the proper variable type 'unsigned long' while here. Signed-off-by: Wolfram Sang Signed-off-by: Ismael Luceno --- drivers/media/pci/solo6x10/solo6x10-p2m.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/media/pci/solo6x10/solo6x10-p2m.c b/drivers/media/pci/solo6x10/solo6x10-p2m.c index ca70a864a3ef..5f100e5e03d9 100644 --- a/drivers/media/pci/solo6x10/solo6x10-p2m.c +++ b/drivers/media/pci/solo6x10/solo6x10-p2m.c @@ -57,7 +57,7 @@ int solo_p2m_dma_desc(struct solo_dev *solo_dev, int desc_cnt) { struct solo_p2m_dev *p2m_dev; - unsigned int timeout; + unsigned long time_left; unsigned int config = 0; int ret = 0; unsigned int p2m_id = 0; @@ -99,12 +99,12 @@ int solo_p2m_dma_desc(struct solo_dev *solo_dev, desc[1].ctrl); } - timeout = wait_for_completion_timeout(&p2m_dev->completion, - solo_dev->p2m_jiffies); + time_left = wait_for_completion_timeout(&p2m_dev->completion, + solo_dev->p2m_jiffies); if (WARN_ON_ONCE(p2m_dev->error)) ret = -EIO; - else if (timeout == 0) { + else if (time_left == 0) { solo_dev->p2m_timeouts++; ret = -EAGAIN; }