From patchwork Fri Jan 10 20:39:36 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guenter Roeck X-Patchwork-Id: 11328435 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5D8586C1 for ; Fri, 10 Jan 2020 20:41:34 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 26DE62082E for ; Fri, 10 Jan 2020 20:41:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="l6K9Dwmz" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 26DE62082E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=roeck-us.net Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:51520 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iq164-0002ck-SQ for patchwork-qemu-devel@patchwork.kernel.org; Fri, 10 Jan 2020 15:41:32 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:33478) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iq14P-0000Rk-6l for qemu-devel@nongnu.org; Fri, 10 Jan 2020 15:39:50 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iq14O-0006ov-CD for qemu-devel@nongnu.org; Fri, 10 Jan 2020 15:39:49 -0500 Received: from mail-pg1-x543.google.com ([2607:f8b0:4864:20::543]:44522) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iq14M-0006fj-EV; Fri, 10 Jan 2020 15:39:46 -0500 Received: by mail-pg1-x543.google.com with SMTP id x7so1510195pgl.11; Fri, 10 Jan 2020 12:39:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id; bh=irep/+RfcBft4z9KkuKqHnhbPXbWLZRDw3qHnl922SQ=; b=l6K9DwmzWHnqBskAFfjR+ffdwh5+5vQv2KtGULyyDCcX7Imzv3WxmP87YLQuRH0s2J iGKWGttMiRJ80eKQ6LnhcmTW84G92pcvOxvhZGwRGcWJefBBSmGftFv5XK/iVtDQpndv rlECQ4VbVpJqVeAHy/0Q7FfY3HHQnsD7pbx424y0wjosdZkeL1TIth4hrg6AJlWKoMwJ XWMyHtzKQa2cTXsN954ETfBLB3FhAmHI4D0n3DnPzfjFK+46koc999X6esMEAiNA/m/V 55Dk6bwbqXCxBuQHOzHj8TAeiZknXr83uiBdkSI3Nk0rLW4nXHW3dXKxIbuw97yElfuX pBmA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id; bh=irep/+RfcBft4z9KkuKqHnhbPXbWLZRDw3qHnl922SQ=; b=IVjgqtuEXLb33yLB34W9qXs389fipEdFA/ws8ARNwUDTX8P+NEm8OvM1T92lT2QGUh bLbybmbKxMxRYQu8ZqKaACzaAByewwXhyMU+PfZlyjExGNB5uwUGg23TIGgFnrMPpNi7 dGNlGotD7hDu7WFMXmwY7s24plRIOJPkVJeqEJNM8VTTOfCCfPwpUerqce8nrq5BmQtB 7d/SEpAsepfleSOXf0YNKW4Ef3jTxyOt7OVwYmvpldyrkE3Nd3cQOH0fMGaPiWeHV52j jDeHs92CkxtzFeilUMEpTu0qR8DnUNGinfp5Mp0Twlq2iqJgAWmeGgqnTAYT3nS9EczN O01Q== X-Gm-Message-State: APjAAAVx323NClJGjj3sT7iR0638/hk9ksJZIZAFNuFUM8We9g9k27xQ 4sPkacQzVFrY9G1z1bWHvHE= X-Google-Smtp-Source: APXvYqwx2Z2TElOc+UYSQeyNCMu3N/1cuvmybMFxJuYSvrlSiQegAedp/hZvfNVhRFqQ7bnLIzcrIQ== X-Received: by 2002:a65:6451:: with SMTP id s17mr6537898pgv.188.1578688785360; Fri, 10 Jan 2020 12:39:45 -0800 (PST) Received: from localhost ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id w6sm4321454pfq.99.2020.01.10.12.39.43 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 10 Jan 2020 12:39:44 -0800 (PST) From: Guenter Roeck To: Igor Mitsyanko Subject: [PATCH 0/6] Fix Exynos4210 DMA support Date: Fri, 10 Jan 2020 12:39:36 -0800 Message-Id: <20200110203942.5745-1-linux@roeck-us.net> X-Mailer: git-send-email 2.17.1 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::543 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , qemu-arm@nongnu.org, qemu-devel@nongnu.org, Guenter Roeck , Paolo Bonzini Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Commit 59520dc65e ("hw/arm/exynos4210: Add DMA support for the Exynos4210") introduced DMA support for Exynos4210. Unfortunately, it never really worked. DMA interrupt line and polarity was wrong, and the serial port needs extra code to support DMA. This patch series fixes the problem.