From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krzysztof Kozlowski Subject: Re: [PATCH] ARM: dts: exynos4210-universal_c210: disable DMA for UARTs Date: Thu, 19 Nov 2015 21:37:08 +0900 Message-ID: <564DC274.1090900@samsung.com> References: <1447684614-25336-1-git-send-email-m.szyprowski@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-2 Content-Transfer-Encoding: 7bit Return-path: Received: from mail-pa0-f41.google.com ([209.85.220.41]:32893 "EHLO mail-pa0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756066AbbKSMhM (ORCPT ); Thu, 19 Nov 2015 07:37:12 -0500 Received: by pabfh17 with SMTP id fh17so82986605pab.0 for ; Thu, 19 Nov 2015 04:37:12 -0800 (PST) In-Reply-To: <1447684614-25336-1-git-send-email-m.szyprowski@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org List-Id: linux-samsung-soc@vger.kernel.org To: Marek Szyprowski , linux-samsung-soc@vger.kernel.org Cc: k.kozlowski.k@gmail.com, Kukjin Kim , Bartlomiej Zolnierkiewicz W dniu 16.11.2015 o 23:36, Marek Szyprowski pisze: > PDMA for UART devices seems not to be working properly on Exynos 4210 > revision 0 used in Universal C210 boards, so disable it to let one to > use UART devices (driver defaults to PIO mode if DMA is not present). > > Signed-off-by: Marek Szyprowski > --- > arch/arm/boot/dts/exynos4210-universal_c210.dts | 8 ++++++++ > 1 file changed, 8 insertions(+) > Oh, DMA on UART strikes back. Reviewed-by: Krzysztof Kozlowski Best regards, Krzysztof