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([140.113.216.168]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2ff693e75bfsm1464298a91.33.2025.03.06.08.26.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Mar 2025 08:26:26 -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, Kuan-Wei Chiu , Yu-Chun Lin Subject: [PATCH v3 03/16] media: media/test_drivers: Replace open-coded parity calculation with parity8() Date: Fri, 7 Mar 2025 00:25:28 +0800 Message-Id: <20250306162541.2633025-4-visitorckw@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250306162541.2633025-1-visitorckw@gmail.com> References: <20250306162541.2633025-1-visitorckw@gmail.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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)