From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D1E0CC021B8 for ; Sat, 1 Mar 2025 14:26:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=BfKRCNVhYL758wvflawb2G11nwvouDw841/CF/lnzDM=; b=KgW4e6enfjRvtE lYDqsgcrZYMI3qMc6CnZVhlrTKwK3ONXi+bl1IdXp/gve8QeRlzNJ4MoLMd8PlTf5YO4TZoxqbVhO mucWihWT7KVyKS+L1hloeNifrqMDQGBzaKZwXx3uwEBcqKF/gHS2+gAEZn87z1x60Awz3APrlDxnr mXnyS5I7NqTu5DGLOykamqLtXqWExwUASXTaquUUKpfMDJBD7AIqvBFul1Befn9XUmX55Y4y9x/5B 5YCG2m71R0RJ5wnxAieFr63nNtnI3t+/RyzkgQWf5kW/IJXGvUDUMrODHVHpzZcTCyWtZ/w1+FkF0 sijeRjtZGefEjPw20HMw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1toNmz-0000000ES2y-0buR; Sat, 01 Mar 2025 14:26:01 +0000 Received: from mail-pl1-x62c.google.com ([2607:f8b0:4864:20::62c]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1toNmw-0000000ES15-1lMp for linux-mtd@lists.infradead.org; Sat, 01 Mar 2025 14:26:00 +0000 Received: by mail-pl1-x62c.google.com with SMTP id d9443c01a7336-22337bc9ac3so59623785ad.1 for ; Sat, 01 Mar 2025 06:25:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1740839157; x=1741443957; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Nutb7MJ9eZ82YUrFszN8Vow0UKyoKuoqD2og5G/xi8M=; b=Xhg04diKCJ+PO5R4suclPIfyNDKGHO9ul7sguwNGG+35Wak0yunfXYhvGNU2gZYEr+ thl+zimEzg5l1kCMZrcpvkYU8NMm0TbWkNQQELJBQtwhpcOEeaqWyz//ULOApEsoweDt iJ3gfEsW+F8A0Rs24/ZSpJ0SHnMVp2JTVqkFc1zKh3OYuTNrWxVunAz/gMkq9WuL+mqP tu1Mljy8ZUqSFkxycXe66CXv+LouaY7oyrz/r/WzwV0nl0kYAFDCKctynSyT5XLB75z3 S0SSQnL1aSfF822HbHSsgULV6dBHFzmERIh6M/qMNJgbbMxQz6BgDhQUbyqsI8x+Iwkq wWLw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740839157; x=1741443957; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Nutb7MJ9eZ82YUrFszN8Vow0UKyoKuoqD2og5G/xi8M=; b=JMg3oCJSo/p3sWFDaAVXIsCcQvGmowszZdZeXPinfS1/nzgwmkx/dRCei4rgHUgm31 3ZzBOyQhzR7qCtirY7RWTP+e4XSf0hcByvZPVr5hSLZ93Ihfk3J4yt10gE/7m1ExjK+7 BaG0H02iCRf1+O8xHUX7w0kkm0ZN1JJ9VbQhI4WTcEHw0ZuGu3HwPCSaSNeu+2+IZ+fI MhsOFH9dUuSTwEJ71UPvgvbkA6l1MkUKjvLxSBkpGfjdr3kUvi8VOkN1GQTqaieeTg2M p0pepy5OKONHf0wW2GHI1vQwzfj8LCtENX8kacHonfT04UsUtU/mda7tfU7KdjddkeBp j1NA== X-Forwarded-Encrypted: i=1; AJvYcCW8tVGHmqqwt8abbYCOED5EIExS0d/PgGCu7TjOD2O+pakfSdfKh1jY5K5LwsgheMfSgDrxdDO8kKo=@lists.infradead.org X-Gm-Message-State: AOJu0YxO02KfM6cbflf1WJgTYs3oqle8O9tw2w1dzXr0yVxeG3xaOuqk PhN4xFpgRU8uwBIKpZDkzClEpGODMtDulQlCNnnxg1p59+pxfBCh X-Gm-Gg: ASbGncscfQVZNppztxIHmqXTpynP9/LBtxqTe9Jb0YkIK/BxdXWWLuvTqr+TF44Pd+L pdQ5Zg8JovxIeCsC+0+w/eDpudjEniO/2mCWaJSk0Nzn970qNWZLmlS54X5X89F1umkhR0hcP68 Fj7gPjwF4DOCsoMNOGAkWmBS6CPYuE4i95Fcy9Xrwna/UvMinzrYyoaCs5tdtsMG9al/K6450KZ Nua0Bw51Lu0yHs550Bk4xYKth1NaCeGwZadVhnucPdOKErQ1jtZRXEEMYYDTwTfKi147H8IIVzd 021TXigqs+N9F39ybSbvz2iy6JIpeI2uxhwFF2E9Y0WPto07z7DFibAuSln2gf3YNDqPxcCVsNE = X-Google-Smtp-Source: AGHT+IGPradnOrYoMR1IanWjYjFo3KQDnHNjL2IS+TgfZGmLy7jDODNM73AvbKhXyZC7rWPMMIa78g== X-Received: by 2002:a17:902:d507:b0:220:c4e8:3b9f with SMTP id d9443c01a7336-22368bc6ae3mr104323495ad.0.1740839157468; Sat, 01 Mar 2025 06:25:57 -0800 (PST) Received: from visitorckw-System-Product-Name.. ([140.113.216.168]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-223501fa8f1sm49231965ad.90.2025.03.01.06.25.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 01 Mar 2025 06:25:56 -0800 (PST) From: Kuan-Wei Chiu To: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, jk@ozlabs.org, joel@jms.id.au, eajames@linux.ibm.com, andrzej.hajda@intel.com, neil.armstrong@linaro.org, rfoss@kernel.org, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, dmitry.torokhov@gmail.com, mchehab@kernel.org, awalls@md.metrocast.net, hverkuil@xs4all.nl, miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, louis.peens@corigine.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, pabeni@redhat.com, parthiban.veerasooran@microchip.com, arend.vanspriel@broadcom.com, johannes@sipsolutions.net, gregkh@linuxfoundation.org, jirislaby@kernel.org, yury.norov@gmail.com, akpm@linux-foundation.org Cc: hpa@zytor.com, alistair@popple.id.au, linux@rasmusvillemoes.dk, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-fsi@lists.ozlabs.org, dri-devel@lists.freedesktop.org, linux-input@vger.kernel.org, linux-media@vger.kernel.org, linux-mtd@lists.infradead.org, oss-drivers@corigine.com, netdev@vger.kernel.org, linux-wireless@vger.kernel.org, brcm80211@lists.linux.dev, brcm80211-dev-list.pdl@broadcom.com, linux-serial@vger.kernel.org, bpf@vger.kernel.org, jserv@ccns.ncku.edu.tw, david.laight.linux@gmail.com, andrew.cooper3@citrix.com, Kuan-Wei Chiu , Yu-Chun Lin Subject: [PATCH v2 04/18] media: media/test_drivers: Replace open-coded parity calculation with parity8() Date: Sat, 1 Mar 2025 22:23:55 +0800 Message-Id: <20250301142409.2513835-5-visitorckw@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250301142409.2513835-1-visitorckw@gmail.com> References: <20250301142409.2513835-1-visitorckw@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250301_062558_462052_43CF2D86 X-CRM114-Status: GOOD ( 11.36 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org Refactor parity calculations to use the standard parity8() helper. This change eliminates redundant implementations and improves code efficiency. Co-developed-by: Yu-Chun Lin Signed-off-by: Yu-Chun Lin Signed-off-by: Kuan-Wei Chiu --- drivers/media/test-drivers/vivid/vivid-vbi-gen.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/media/test-drivers/vivid/vivid-vbi-gen.c b/drivers/media/test-drivers/vivid/vivid-vbi-gen.c index 70a4024d461e..e0f4151bda18 100644 --- a/drivers/media/test-drivers/vivid/vivid-vbi-gen.c +++ b/drivers/media/test-drivers/vivid/vivid-vbi-gen.c @@ -5,6 +5,7 @@ * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved. */ +#include #include #include #include @@ -165,12 +166,7 @@ static const u8 vivid_cc_sequence2[30] = { static u8 calc_parity(u8 val) { - unsigned i; - unsigned tot = 0; - - for (i = 0; i < 7; i++) - tot += (val & (1 << i)) ? 1 : 0; - return val | ((tot & 1) ? 0 : 0x80); + return val | (parity8(val) ? 0 : 0x80); } static void vivid_vbi_gen_set_time_of_day(u8 *packet) -- 2.34.1 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/