From patchwork Thu Mar 6 16:25:31 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuan-Wei Chiu X-Patchwork-Id: 871489 Received: from mail-pj1-f52.google.com (mail-pj1-f52.google.com [209.85.216.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 14D772153D6; Thu, 6 Mar 2025 16:26:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.52 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741278420; cv=none; b=iLvl0fmd4JU++xwNAbM05sno8yAsJnKG/6pObOJfKp7PhzgBuEuaZfUJju+b3NDNtYsmYgwRnTtNZDMnALeAF0J068qjcWcjVcCvmaz+LNg2feeLgwo2IlJulkoSNgWwii3ZIlH1wyuTB7gAxnAmqQoNpMq6KO5FaidaHCXlSxA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741278420; c=relaxed/simple; bh=+p/YAFe+kk9OWZ8tBw9OGe2ynkLFMgdD4C/iDJ1Cf18=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=pRlqmKOUcn/DNk/UztMfesvpdAwsaRVXqH7JKemjkPso7d8uYWpQwPfXguNgmx7STcbHyKOr44eBsjDsTlnY8ZXkLJdUJgEwvh4KaZFCPjjZTT2AkieaXtV+swsqhNKE55XZBxzhPTb3Wlm2BfGcAbLYqOgbCQIV1f7o4uGvLxs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=e50dwewd; arc=none smtp.client-ip=209.85.216.52 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="e50dwewd" Received: by mail-pj1-f52.google.com with SMTP id 98e67ed59e1d1-2ff04f36fd2so1704361a91.1; Thu, 06 Mar 2025 08:26:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1741278418; x=1741883218; darn=vger.kernel.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=OLC46Ss2m89bTVvfLJi0Yp7p5tSaqeo4vrmp4oYzA88=; b=e50dwewdRGi8g1VNC7UqEKJ5q4nv9j8+RtvsD2S0BP3QF2EAi8WDdYikHxjB6f/GHG AfO0VfsEfy/784EpFSsBCtGfRZCSPmZHSulvDLLMUEhul6WtMDd8C6gJQ/m2UhNOC5If w5RFv089kK+fq5u2XMyR7G7S1XyS3kylE06hCAeHQRdWuugJ9Ak295MDd4K1rlsjxtwa MqFiQucLSjwGwFDQGvprPlwvX2WbcwpcnaTt2Et6Ky2eMsrT2rkdNAxmT87UgkLM/Qmj YoB3ANPxXk8++j8y5E2wPauT5f4ieifn3OqqtI5JE0u6Zsfthd6UtGN3p7cr9wItQF05 uPpw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1741278418; x=1741883218; 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=OLC46Ss2m89bTVvfLJi0Yp7p5tSaqeo4vrmp4oYzA88=; b=Unk1t8fWSQKFSHZdSHwxLNW7MivHYBaPTi/ltKTqRDhQKq0SFMzHeKlsIwmF5NZr2u HYL7Y3O5XyDQpivLrD3SpzLUPK9Km4BlVAf0N3Fb1wa9PIjQLyAb7qXEruqv7zdpFsrV eAmw1viXzwCA7nwdHci+95IxGmzS4qOwCg7Bvf5Hma5usgpucylpjvXoZFBH+j6biJDF yPrfWy2TS2O+qlTLjWlq1ywx14kCDT+nu6ktTM92wRbDCu+3FC5pKUY9KhtXy+TKGwGK kyQkXTNBsnEd+P1PliapnzGl1LHD6y4SwC4INGPD95woI0bKUn8iVTfOAqTx1Fjou/Dj HucA== X-Forwarded-Encrypted: i=1; AJvYcCU0OZZIXaNnX9qNEaVbzz9XAzpUv19FJoH12SaWV3X74dggZvNWRqbMkstlL+GPr/M86Go=@vger.kernel.org, AJvYcCUDtgzcXEw4nPINZ+kam3o5XOplp+1SIEj/POGMGqMKkuiMVek7qIgIBLvny5kggMFTKjj3ZkFl7WwsuZU=@vger.kernel.org, AJvYcCVMZLj8leFCt1lJzP/WOTjAAfNfZ2gYXdDOZqdyC1rQkCEOiLz791Heu0SzPVaYEqTn6G7PpU+QFznWrnE=@vger.kernel.org, AJvYcCVYJ4DBtQQC9TZpJBnXxyImc+LcZrT4J5ubi2r23FCCLBGuggzxKkP81hAve/cuwXwmocdVJQEjYbdVw4Go6co=@vger.kernel.org, AJvYcCVYUqmLUYQfulqXubUzVoAi5zhyFebWecqOQkaii0g0/FPYvux5CO9YmbIzdWB3SD1qqxUhgx3rW5T6Ze/e@vger.kernel.org, AJvYcCWr6IYDLyYe71ii4Mpb+4THC8UqR8azC/EqAsaY3KovVyR4aKAcZwvXR51E0QgecN1CLC0e1HAkd5/GBDoV@vger.kernel.org, AJvYcCXkQEqpTaqoilvRWJJDYrD0kxmnJxKXC0E/a430HcGHjv2kWeIpagWyxX+96JzXkalTJYN59KK9@vger.kernel.org X-Gm-Message-State: AOJu0YzDzYsQTtoySvrMZlgfGCxA+NP9BdCagVnPQAqD1dPmITHSu/1C UTxj9tYPMDuGavRIyPGt4CvPEMEjCW3wOVEapZ7T752RwlpbAbis X-Gm-Gg: ASbGncu6XlFXGK/wHGI4nQeYE/yFavfg7aPrf61ZGTyDxxbd5QtfYkcPRa6wzgs45OK hgU49NynSPU+qaabbtMPoZZjGxCHhybKixh97WwNpbEoB80RxBpLoghmtylf9siaXJe90IXK6SH w8+QR1kC2XFJAm7W4q2n+Ovd0/n7fexGzs8WM3C0i9Liw3mpeRUYvUVU7pwjVluu8iI4hXzYtF0 g5L9elP9rWpKKWm6p1kx7MuZ9enjpyMYuSzuesYVp4ZEUf6xqV1jy4xN5fU8G5vopA4Bh2Zm5vd vU9j02gb0tURiV68IXFN/FHpArZuGs3TH7Q2IYf35cG/Sdb/TRn1EEUbsnCO/U43IYh7Cs/J+ok = X-Google-Smtp-Source: AGHT+IG03DCzCpNpvI11hw07lC+sk1Ut5naphaEWX0iSJy+1ysJZeXoZKrfH0dsPOSnHxsIbzbSOpg== X-Received: by 2002:a17:90b:3c87:b0:2fa:15ab:4df5 with SMTP id 98e67ed59e1d1-2ff497ccd9emr10053018a91.34.1741278418239; Thu, 06 Mar 2025 08:26:58 -0800 (PST) Received: from visitorckw-System-Product-Name.. ([140.113.216.168]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2ff693e75bfsm1464298a91.33.2025.03.06.08.26.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Mar 2025 08:26:57 -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 06/16] serial: max3100: Replace open-coded parity calculation with parity8() Date: Fri, 7 Mar 2025 00:25:31 +0800 Message-Id: <20250306162541.2633025-7-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> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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 --- Changes in v3: - Change parity8(c) to !!parity8(c). drivers/tty/serial/max3100.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/tty/serial/max3100.c b/drivers/tty/serial/max3100.c index cde5f1c86353..419d74043498 100644 --- a/drivers/tty/serial/max3100.c +++ b/drivers/tty/serial/max3100.c @@ -16,6 +16,7 @@ /* 4 MAX3100s should be enough for everyone */ #define MAX_MAX3100 4 +#include #include #include #include @@ -133,7 +134,7 @@ static int max3100_do_parity(struct max3100_port *s, u16 c) else c &= 0xff; - parity = parity ^ (hweight8(c) & 1); + parity = parity ^ !!parity8(c); return parity; }