From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-x22e.google.com (mail-pg0-x22e.google.com [IPv6:2607:f8b0:400e:c05::22e]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3v9FFv51CgzDq60 for ; Sat, 28 Jan 2017 10:23:15 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.b="Y9n5k2OR"; dkim-atps=neutral Received: by mail-pg0-x22e.google.com with SMTP id 194so84695555pgd.2 for ; Fri, 27 Jan 2017 15:23:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=YRizdaL3nNo1TXL9dNA1FkIheDz/O9Xsb/Plw+2XeP8=; b=Y9n5k2ORvPqNcMNGB2r51N2qs7OqNge1RqlOcu2ADvxjzCGOIEvYVW0euuctQqHZKl LVN7iRyfTtAbyYTUnhjsJHD8W8VqdhAfwJL9u5EnkkYc727Jxf5/sgdKq+LWov3qpbmS 0xrxQdUZrp2nVnbeKygWy2Pfodo35KJ9qfnEBb02OkecDeygmVNJFF4WwdpZIdpB7eWt IBIV/JEM0tsANfDbnm22uRggF8rkzu+vj80VMoZVo2xXU+xphECjRpRZAtVmgYk5s3KJ llb22b1OmoGyR86hLCvpHD39f5kdha1q3ArMV6BUnpzFFx15CHnAlq1chRdpzPQHGtmR R0FQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=YRizdaL3nNo1TXL9dNA1FkIheDz/O9Xsb/Plw+2XeP8=; b=sf3AJaLO0sUQ9tqvuOteKQXreixLN2XPYa3ZEC72KgqozOwpuy85ZgBzTSlOgLvsMd 9A7ysVGCqHtWXg2Y6alfWCX7cq7Bh+P4KLPOVcmVjvnNfgSEaYXRioka/8Uo03NRyKwj 5uXqbWmhTZBZzemw7C3e0sjN6/4iUhGcvGDAZlmGaIqXOeF8qFC2ZeOJx8s3O4CY1DsQ PIyPF7vprWMMqEg5t+hRsavWBlwFSWyFi7vlbwOtLZ6mqsz9jmZhS7l7U4ayKR+lTr0U AvwNSpXa8bZSwkwlzh+T0Gy7xALa6pAEtUdSBNdlLu/WsISpLvifCnN4AK5e/Zyq3md2 ZH6Q== X-Gm-Message-State: AIkVDXJ+nl2/UuqQwY4HEuFcucjOICQWh1jx1Y9hXd4OCZsSAstZs5GgjuQ0JL8JFT3MtAKx X-Received: by 10.99.177.79 with SMTP id g15mr12231520pgp.185.1485559393146; Fri, 27 Jan 2017 15:23:13 -0800 (PST) Received: from pewter.svl.corp.google.com ([100.123.242.121]) by smtp.gmail.com with ESMTPSA id n79sm13813209pfj.31.2017.01.27.15.23.12 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 27 Jan 2017 15:23:12 -0800 (PST) From: Xo Wang To: openbmc@lists.ozlabs.org Subject: [PATCH linux v2] arm: aspeed: zaius: Disable LPC reset for UART1 Date: Fri, 27 Jan 2017 15:23:07 -0800 Message-Id: <20170127232307.110483-1-xow@google.com> X-Mailer: git-send-email 2.11.0.483.g087da7b7c-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: openbmc@lists.ozlabs.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Development list for OpenBMC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 Jan 2017 23:23:16 -0000 Currently, UART1 on Zaius BMC is unusable until brought out of reset by powering the host on. In this reset state, ttyS0 can still be opened and UART1 silently drops bytes, which is not obviously expected behavior. Clear the LPC block control bit that enables LPCRST# as a reset source for UART1. Signed-off-by: Xo Wang