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 X-Spam-Level: X-Spam-Status: No, score=-17.6 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT, USER_IN_DEF_DKIM_WL autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 10ADCC433DF for ; Wed, 1 Jul 2020 21:13:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DFE4820748 for ; Wed, 1 Jul 2020 21:13:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="cAUGuF/b" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727776AbgGAVNx (ORCPT ); Wed, 1 Jul 2020 17:13:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57268 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727072AbgGAVNr (ORCPT ); Wed, 1 Jul 2020 17:13:47 -0400 Received: from mail-qv1-xf49.google.com (mail-qv1-xf49.google.com [IPv6:2607:f8b0:4864:20::f49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7D8FBC08C5DB for ; Wed, 1 Jul 2020 14:13:47 -0700 (PDT) Received: by mail-qv1-xf49.google.com with SMTP id ee9so14555257qvb.6 for ; Wed, 01 Jul 2020 14:13:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=quzZPMbm7PpMHF0Uc8MBUiav44rFFBJoy1a7Ni+U048=; b=cAUGuF/bBZXzPwqEA2KmnUAiIBZh74Axkc9kR9B2TU+pfmr0Ih1xclQdRWGsusUH4P aQzareypjNzLHXiV125/yObqrFXl50tJFV/rUKCZRWbD/D/1d0v4lzxP6KOcZXlgjjmi sgNNbvNdLJJHNlKCd14hQXkgYAlLrBsKFbkHvUNF/F6nxwrpT8jdvRZYXVdR0PC1eAI+ 4S16qlMArXxPc8oAS/ZA1yBh3hZnNw3KUW8jxg5bA8R+t6SFI15vBdFvk1Iceo4cfGw7 X0DgYL+QU5n2iQQVkAwshCPeU4e8v2RIOl8RM6la4Auqki927z9rPEsuDYZvWCyThq2u QdDA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=quzZPMbm7PpMHF0Uc8MBUiav44rFFBJoy1a7Ni+U048=; b=GJCakvOEaj6qx+XbAkqB78A6R/LRFv4HNPvwQZL+UF06h//8NBWOx16suXX0k3UNkO ue47JLlQmu2cXfZvIyiTE2QA6g4OKIOfRtrdUsPRQH6xbjjooLJiRbYljZAbXahDwMPl k77HL0rCHYVIBQ2fpIOpnkRmeuWB1Fwxhq+wYY10+ohp2GSihpeNjHOGwNVKDoq4aYCl agQGbfPFLD9+OeZQr/Zc3l+2O7VXtZBu/zfNwJPgzR+QUM5HUrd9ZxhYZC1OCM+64Mw9 NHL98fSH2RApcODswrEGPjiJPz2Azk5e2IZVppsUf9JdEm2vr5SAmCmKEQr3/gt6PPkw BxzA== X-Gm-Message-State: AOAM533sLM0Oc+x4dBlN3WzG6BJGdWMEQdsoQDNZQaQw0lX87AedXMU9 ND68vykGZ+BWO1iOGKurk1m65lGyjtREITs6sBBf X-Google-Smtp-Source: ABdhPJweymvrG4WnmmEfQGpTdGKKPJnK+/o6UKqXb9nuHShRn93/877F29RoxTj0lr9gwAW3khi4TR681cXl8z12ryNZ X-Received: by 2002:a05:6214:10e1:: with SMTP id q1mr25772358qvt.78.1593638026665; Wed, 01 Jul 2020 14:13:46 -0700 (PDT) Date: Wed, 1 Jul 2020 14:13:37 -0700 In-Reply-To: <20200701211337.3027448-1-danielwinkler@google.com> Message-Id: <20200701141329.v2.1.I2cc415fa5793b3e55acfd521ba8f0a71e79aa5f1@changeid> Mime-Version: 1.0 References: <20200701211337.3027448-1-danielwinkler@google.com> X-Mailer: git-send-email 2.27.0.212.ge8ba1cc988-goog Subject: [PATCH v2 1/1] Revert "serial: 8250: Fix max baud limit in generic 8250 port" From: Daniel Winkler To: linux-serial@vger.kernel.org, linux-mediatek@lists.infradead.org, Serge Semin , Alexey Malahov Cc: BlueZ , chromeos-bluetooth-upstreaming , stable@vger.kernel.org, abhishekpandit@chromium.org, Daniel Winkler , Aaron Sierra , Andy Shevchenko , Greg Kroah-Hartman , Jiri Slaby , Lukas Wunner , Vignesh Raghavendra , linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This reverts commit 7b668c064ec33f3d687c3a413d05e355172e6c92. Fixes: 7b668c064ec3 ("serial: 8250: Fix max baud limit in generic 8250 port") Cc: stable@vger.kernel.org Signed-off-by: Daniel Winkler --- drivers/tty/serial/8250/8250_port.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index 1632f7d25acca..e057c65ac1580 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -2618,8 +2618,6 @@ static unsigned int serial8250_get_baud_rate(struct uart_port *port, struct ktermios *termios, struct ktermios *old) { - unsigned int tolerance = port->uartclk / 100; - /* * Ask the core to calculate the divisor for us. * Allow 1% tolerance at the upper limit so uart clks marginally @@ -2628,7 +2626,7 @@ static unsigned int serial8250_get_baud_rate(struct uart_port *port, */ return uart_get_baud_rate(port, termios, old, port->uartclk / 16 / UART_DIV_MAX, - (port->uartclk + tolerance) / 16); + port->uartclk); } void -- 2.27.0.212.ge8ba1cc988-goog 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 X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 40191C433E0 for ; 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Wed, 01 Jul 2020 14:13:46 -0700 (PDT) Date: Wed, 1 Jul 2020 14:13:37 -0700 In-Reply-To: <20200701211337.3027448-1-danielwinkler@google.com> Message-Id: <20200701141329.v2.1.I2cc415fa5793b3e55acfd521ba8f0a71e79aa5f1@changeid> Mime-Version: 1.0 References: <20200701211337.3027448-1-danielwinkler@google.com> X-Mailer: git-send-email 2.27.0.212.ge8ba1cc988-goog Subject: [PATCH v2 1/1] Revert "serial: 8250: Fix max baud limit in generic 8250 port" From: Daniel Winkler To: linux-serial@vger.kernel.org, linux-mediatek@lists.infradead.org, Serge Semin , Alexey Malahov X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200701_171350_547882_6C1742F8 X-CRM114-Status: UNSURE ( 9.54 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: chromeos-bluetooth-upstreaming , Vignesh Raghavendra , Greg Kroah-Hartman , Jiri Slaby , linux-kernel@vger.kernel.org, stable@vger.kernel.org, BlueZ , Lukas Wunner , Daniel Winkler , abhishekpandit@chromium.org, Aaron Sierra , Andy Shevchenko Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org This reverts commit 7b668c064ec33f3d687c3a413d05e355172e6c92. Fixes: 7b668c064ec3 ("serial: 8250: Fix max baud limit in generic 8250 port") Cc: stable@vger.kernel.org Signed-off-by: Daniel Winkler --- drivers/tty/serial/8250/8250_port.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index 1632f7d25acca..e057c65ac1580 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -2618,8 +2618,6 @@ static unsigned int serial8250_get_baud_rate(struct uart_port *port, struct ktermios *termios, struct ktermios *old) { - unsigned int tolerance = port->uartclk / 100; - /* * Ask the core to calculate the divisor for us. * Allow 1% tolerance at the upper limit so uart clks marginally @@ -2628,7 +2626,7 @@ static unsigned int serial8250_get_baud_rate(struct uart_port *port, */ return uart_get_baud_rate(port, termios, old, port->uartclk / 16 / UART_DIV_MAX, - (port->uartclk + tolerance) / 16); + port->uartclk); } void -- 2.27.0.212.ge8ba1cc988-goog _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek