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=-4.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS, URIBL_BLOCKED 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 4D879C43381 for ; Wed, 27 Mar 2019 12:00:33 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 1C24A2087C for ; Wed, 27 Mar 2019 12:00:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="fDPyNG5R" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1C24A2087C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=sntech.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=624OJffYn9dkfaD4G+kCisW6c9EeMmsXyZjqgG0k2LU=; b=fDPyNG5RSVxXjE QA4CF3EdzXm8PpMBjhGUqMjQX9KLEA6kW0OXUZIVjzcI3KaBaHfNa85GIlYFZcvnTzUsw+k0r9Eyl ZBzFa0qwawGsU6kDuoesqP/y5BXZ5SYlGUnJHgGOJYN3xjhqUqyvVhN6raLjpi1sTvobyxgCby1je gE+dkXf1yhtsu6S6oD+GzFPhwwmnGPEqIBa7ZP+D09EntDJpbPHawCMnXJmBemNkIxEGBbGAIHNcH yjU7KiohPujmYO0LGwNsjkRf9qmh+c0TQ7ReCjLBbSI0aDsvQHoVfkt+U+XbbtPRotMOHQgDGDBn4 LY/F8ATGtWgADvp6b+pA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1h97EK-0004cW-Fz; Wed, 27 Mar 2019 12:00:28 +0000 Received: from gloria.sntech.de ([185.11.138.130]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1h97EG-0004bM-2D; Wed, 27 Mar 2019 12:00:25 +0000 Received: from we0652.dip.tu-dresden.de ([141.76.178.140] helo=phil.localnet) by gloria.sntech.de with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1h97E9-0003Oi-By; Wed, 27 Mar 2019 13:00:17 +0100 From: Heiko Stuebner To: Katsuhiro Suzuki Subject: Re: [PATCH v2] arm64: dts: rockchip: add rk3399 UART DMAs Date: Wed, 27 Mar 2019 13:00:16 +0100 Message-ID: <14265087.Gbs4YZABJo@phil> In-Reply-To: References: <20190321162244.10080-1-katsuhiro@katsuster.net> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190327_050024_255423_174A6F40 X-CRM114-Status: GOOD ( 15.41 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-rockchip@lists.infradead.org, Robin Murphy , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, Am Dienstag, 26. M=E4rz 2019, 14:49:16 CET schrieb Katsuhiro Suzuki: > Hello Robin, > = > Sorry for inconvenience. Since I don't adhere enabling DMA for UARTs, > please revert my patch if you need. I've dropped the patch from my queue now. > BTW, there are DMA properties in RK3328 device-tree like as this patch. > RK3328 UART DMA could not work correctly too...?? I remember Rockcihip dma-controllers having issues with burst-sizes and flushing (there is a no-flushp option in pl330), so it's possible that all share the same error up to rk3399 and rk3328 But so far no-one has shouted regarding the rk3328. Heiko > On 2019/03/26 20:48, Robin Murphy wrote: > > On 25/03/2019 12:34, Heiko Stuebner wrote: > >> Am Donnerstag, 21. M=E4rz 2019, 17:22:44 CET schrieb Katsuhiro Suzuki: > >>> Add UART dma channels as specified by the rk3399 TRM. > >>> > >>> Refer: > >>> RK3399 TRM V1.4: Chapter 12 DMA Controller > >>> > >>> Signed-off-by: Katsuhiro Suzuki > >> > >> applied for 5.2 > > = > > As a heads-up, I did manage to try my board with this patch applied ove= r = > > the weekend, and it makes probing the bluetooth adapter fail with = > > communication errors, so I'm not sure the 8250 and pl330 drivers are = > > really cooperating well enough :( > > = > > Robin. > > = > = > = _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel