From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934958AbdCJOlK (ORCPT ); Fri, 10 Mar 2017 09:41:10 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:35562 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932759AbdCJJLS (ORCPT ); Fri, 10 Mar 2017 04:11:18 -0500 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Nicolas Ferre , Alexandre Belloni Subject: [PATCH 4.4 15/91] ARM: dts: at91: Enable DMA on sama5d4_xplained console Date: Fri, 10 Mar 2017 10:08:14 +0100 Message-Id: <20170310083901.516769770@linuxfoundation.org> X-Mailer: git-send-email 2.12.0 In-Reply-To: <20170310083900.730556986@linuxfoundation.org> References: <20170310083900.730556986@linuxfoundation.org> User-Agent: quilt/0.65 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Alexandre Belloni commit ef8d02d4a2c36f7a93e74c95a9c419353b310117 upstream. Enable DMA on usart3 to get a more reliable console. This is especially useful for automation and kernelci were a kernel with PROVE_LOCKING enabled is quite susceptible to character loss, resulting in tests failure. Acked-by: Nicolas Ferre Signed-off-by: Alexandre Belloni Signed-off-by: Greg Kroah-Hartman --- arch/arm/boot/dts/at91-sama5d4_xplained.dts | 2 ++ 1 file changed, 2 insertions(+) --- a/arch/arm/boot/dts/at91-sama5d4_xplained.dts +++ b/arch/arm/boot/dts/at91-sama5d4_xplained.dts @@ -110,6 +110,8 @@ }; usart3: serial@fc00c000 { + atmel,use-dma-rx; + atmel,use-dma-tx; status = "okay"; };