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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 08E16C636CD for ; Fri, 10 Feb 2023 08:04:18 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6DA2D10EC86; Fri, 10 Feb 2023 08:04:08 +0000 (UTC) Received: from mail-pf1-x42b.google.com (mail-pf1-x42b.google.com [IPv6:2607:f8b0:4864:20::42b]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8C68C10EC5C for ; Fri, 10 Feb 2023 04:50:09 +0000 (UTC) Received: by mail-pf1-x42b.google.com with SMTP id s20so2769545pfe.2 for ; Thu, 09 Feb 2023 20:50:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; 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=5mAzAHTdZsC5IqNul3xJsl6wPXmAHfKwZ27VCzKXGF4=; b=JVtiloj7yRa4BQFYW86RmJebSQYTmr6ulQWbaNdE813YnQNwxXxigdeqKGwJ547OA9 iKneGqYybribFvactjWAxLOC1FFyHyE+vrJN9XEm4Abm2yHTeo6rcn+1OgEhy5wP98gZ +ThcUd3YSIgv/n1tSUkAQD0bQGEO9epBP65UtYfzB4TDt5HkYEHAUsO9ybZHG+TDzu0u hqJKP33cLtrVl0eYH6Qi6HmbIoL1D0nmoU8eLgaP0zLDynkeKmwUzTLzZaRDN3rU0PL/ En5vvM6GmtpTk46YMQcS55SP+xFg1xh1ZcTgKWrbYfmIOMTZVYpC6OIy+kKwcbJ4fUCF NfGw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=5mAzAHTdZsC5IqNul3xJsl6wPXmAHfKwZ27VCzKXGF4=; b=6tsr6IURWZLjG9ZIewJGj1MtbY7X8T9Kjqn12xC306DFwUhbvM7NuamHoz7DCTK26F Yz6IPVPyMNt9fy7DDILeqI5+2Gff05DP67jHnmLByGkJZLkwZWbmk6H9QIaPtAJ8nB/g CjO1Q5rUhcAw/cumbalttESTcWJ96vkcghPnSF+vSi+OJqj5xsLC93wm/LMn4tyxRTqY dq7Yb/59OoyGSskPXDjEr+MpgtjWGVAcI19BtXakPCJuTIFcgCYkcBCnJyTKW4IoFs0R T1XKd80jXyfButIueQIeHA2UKWup/ajLxMZsHqeTNdj8Ym2OA8qeAOD81EQpK/JC6XVh 6s5g== X-Gm-Message-State: AO0yUKWIzpPv0KJAnhn0+I/4mPzO4Ouorn1/sfim/JjusMMpCvFucGws sZLhYvD7RpTY5Gk63q5GUKg= X-Google-Smtp-Source: AK7set8TKp+XoOdzFSSniCiSLofONjJNjijxRgei3TQG94xGgDFfQ+8mh0QAUiI4aSA+indqTsT/jA== X-Received: by 2002:a62:1c13:0:b0:593:2289:f01c with SMTP id c19-20020a621c13000000b005932289f01cmr11514678pfc.25.1676004609052; Thu, 09 Feb 2023 20:50:09 -0800 (PST) Received: from localhost.localdomain ([202.53.32.211]) by smtp.gmail.com with ESMTPSA id t13-20020a62ea0d000000b0057fec210d33sm2269218pfh.152.2023.02.09.20.49.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Feb 2023 20:50:08 -0800 (PST) From: Orlando Chamberlain To: platform-driver-x86@vger.kernel.org, amd-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org Subject: [RFC PATCH 1/9] apple-gmux: use cpu_to_be32 instead of manual reorder Date: Fri, 10 Feb 2023 15:48:18 +1100 Message-Id: <20230210044826.9834-2-orlandoch.dev@gmail.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230210044826.9834-1-orlandoch.dev@gmail.com> References: <20230210044826.9834-1-orlandoch.dev@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Fri, 10 Feb 2023 08:04:04 +0000 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Pan, Xinhui" , Lijo Lazar , Rander Wang , YiPeng Chai , Mario Limonciello , David Airlie , Pierre-Louis Bossart , Evan Quan , Ranjani Sridharan , Yong Zhi , Aun-Ali Zaidi , Andrey Grodzovsky , Bokun Zhang , Orlando Chamberlain , Mark Gross , Hans de Goede , Kerem Karabay , Jaroslav Kysela , Jack Xiao , Kai Vehmanen , Somalapuram Amaranath , Takashi Iwai , Aditya Garg , Daniel Vetter , =?UTF-8?q?Amadeusz=20S=C5=82awi=C5=84ski?= , Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , Hawking Zhang Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" Currently it manually flips the byte order, but we can instead use cpu_to_be32(val) for this. Signed-off-by: Orlando Chamberlain --- drivers/platform/x86/apple-gmux.c | 18 ++---------------- 1 file changed, 2 insertions(+), 16 deletions(-) diff --git a/drivers/platform/x86/apple-gmux.c b/drivers/platform/x86/apple-gmux.c index 9333f82cfa8a..e8cb084cb81f 100644 --- a/drivers/platform/x86/apple-gmux.c +++ b/drivers/platform/x86/apple-gmux.c @@ -94,13 +94,7 @@ static u32 gmux_pio_read32(struct apple_gmux_data *gmux_data, int port) static void gmux_pio_write32(struct apple_gmux_data *gmux_data, int port, u32 val) { - int i; - u8 tmpval; - - for (i = 0; i < 4; i++) { - tmpval = (val >> (i * 8)) & 0xff; - outb(tmpval, gmux_data->iostart + port + i); - } + outl(cpu_to_be32(val), gmux_data->iostart + port); } static int gmux_index_wait_ready(struct apple_gmux_data *gmux_data) @@ -177,16 +171,8 @@ static u32 gmux_index_read32(struct apple_gmux_data *gmux_data, int port) static void gmux_index_write32(struct apple_gmux_data *gmux_data, int port, u32 val) { - int i; - u8 tmpval; - mutex_lock(&gmux_data->index_lock); - - for (i = 0; i < 4; i++) { - tmpval = (val >> (i * 8)) & 0xff; - outb(tmpval, gmux_data->iostart + GMUX_PORT_VALUE + i); - } - + outl(cpu_to_be32(val), gmux_data->iostart + GMUX_PORT_VALUE); gmux_index_wait_ready(gmux_data); outb(port & 0xff, gmux_data->iostart + GMUX_PORT_WRITE); gmux_index_wait_complete(gmux_data); -- 2.39.1