From patchwork Mon Jun 3 09:28:38 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wolfram Sang X-Patchwork-Id: 102155 X-Patchwork-Delegate: hverkuil@xs4all.nl Received: from am.mirrors.kernel.org ([147.75.80.249]) by linuxtv.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1sE41o-0000ZO-0f for patchwork@linuxtv.org; Mon, 03 Jun 2024 09:30:56 +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 am.mirrors.kernel.org (Postfix) with ESMTPS id 58C041F26262 for ; Mon, 3 Jun 2024 09:30:54 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 8C1F684DEF; Mon, 3 Jun 2024 09:28:59 +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="Sdyff3U0" 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 8516584D09 for ; Mon, 3 Jun 2024 09:28:57 +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=BPZhP+E3M4wdVB2dA+hwbEdGmtevM91nLPeKr12V5Xdh2WWV0NqPmo5MLZSljDXLXCDwGOeWWPympHaFgxIL3uL1JbH6QxjLcVe1o64ER+CJ1s36KfNwA88SUgCEQs4EDzTwtibWjJQLK7WFQluRWjEo5DUF3+/bg0BFCIvevoM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717406939; c=relaxed/simple; bh=ExH1RE6J3JZqUHzT1HZoynPSJurb8BdI2ZdsEFrAr1M=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=dTfNYiTx2+0ObhVUG6x5kLce69yN2MuZtMdWIJ0ohuLRbPikoVhp463vTzcv3KSm8AVtKhC3GIAy/IFSW0lRYuV+7cKJ4WmaxIo9WHXvV8Ltgpa//IZb85lyRQ2XC1xmt1EUVsxE9+P2H6egXTIBswPm3sTTUDvkB25r+GiMYIg= 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=Sdyff3U0; 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=V8NJYfnjjH8D2WEiTjZz2n/d2672IqQpNfvAhuAj1sg=; b=Sdyff3 U0BTaHQsInCDZHb8Bc6RezKDiKWcUl+GncS01OVtJJXemT86Zz4nJJ6z8Wtid6UW a5gPSRulJRF/feBG4xDzLHuowjSJOxwSt1x/+a2EyHG9aoYVm/rVatjP5ey3bWmb xY4D9dzyp+G76rEJhbAa9kwAewMGd43vOm/IHhgKZoWr2QlbvNooMGXMW6ajwNTv hT5GB5UOyj6O6MZD09GEEfyVNTZzGxpdmhul6iNLYN6Zbn9Yy/nUgapB3g8u6/nO 3JTLagJbbT27B2TPx+rcftPLiloTndT2sdbeys9p7t8Ce9OGURCEdlWFeFgPnK/9 NDNsZDeoOIewy0aQ== Received: (qmail 1903301 invoked from network); 3 Jun 2024 11:28:52 +0200 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 3 Jun 2024 11:28:52 +0200 X-UD-Smtp-Session: l3s3148p1@0WEe9vgZRtcgAwDPXzLGAH1eNELjOc3g From: Wolfram Sang To: linux-kernel@vger.kernel.org Cc: Wolfram Sang , Dmitry Osipenko , Mauro Carvalho Chehab , Thierry Reding , Jonathan Hunter , linux-media@vger.kernel.org, linux-tegra@vger.kernel.org Subject: [PATCH 7/8] media: tegra-vde: use 'time_left' variable with wait_for_completion_interruptible_timeout() Date: Mon, 3 Jun 2024 11:28:38 +0200 Message-ID: <20240603092841.9500-8-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_interruptible_timeout() causing patterns like: timeout = wait_for_completion_interruptible_timeout(...) if (!timeout) return -ETIMEDOUT; with all kinds of permutations. Use 'time_left' as a variable to make the code self explaining. Signed-off-by: Wolfram Sang Acked-by: Thierry Reding --- drivers/media/platform/nvidia/tegra-vde/h264.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/media/platform/nvidia/tegra-vde/h264.c b/drivers/media/platform/nvidia/tegra-vde/h264.c index cfea5572a1b8..d20b7b9fb79c 100644 --- a/drivers/media/platform/nvidia/tegra-vde/h264.c +++ b/drivers/media/platform/nvidia/tegra-vde/h264.c @@ -628,14 +628,14 @@ static int tegra_vde_decode_end(struct tegra_vde *vde) unsigned int read_bytes, macroblocks_nb; struct device *dev = vde->dev; dma_addr_t bsev_ptr; - long timeout; + long time_left; int ret; - timeout = wait_for_completion_interruptible_timeout( + time_left = wait_for_completion_interruptible_timeout( &vde->decode_completion, msecs_to_jiffies(1000)); - if (timeout < 0) { - ret = timeout; - } else if (timeout == 0) { + if (time_left < 0) { + ret = time_left; + } else if (time_left == 0) { bsev_ptr = tegra_vde_readl(vde, vde->bsev, 0x10); macroblocks_nb = tegra_vde_readl(vde, vde->sxe, 0xC8) & 0x1FFF; read_bytes = bsev_ptr ? bsev_ptr - vde->bitstream_data_addr : 0;