From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eddie Huang Subject: [PATCH v3 0/3] tty: serial: Add earlycon support to MT8173 SoC Date: Tue, 28 Apr 2015 21:40:31 +0800 Message-ID: <1430228434-31779-1-git-send-email-eddie.huang@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: linux-kernel-owner@vger.kernel.org To: Greg Kroah-Hartman , Matthias Brugger Cc: srv_heupstream@mediatek.com, Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Catalin Marinas , Will Deacon , Jiri Slaby , Eddie Huang , Howard Chen , Ashwin Chaugule , Peter Hurley , Wang Long , Kevin Cernekee , Vineet Gupta , "Rafael J. Wysocki" , Alan Cox , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, linux-mediatek@lists.infradead.orgSascha Hauer List-Id: linux-mediatek@lists.infradead.org This patch add earlycon support to MT8173 SoC platform. To use earlycon, need 1. Add earlycon in boot parameters 2. Add "linux,sdtout-path" property in device tree file This patch based on 4.1-rc1. Change in v3: Remove noinit options, not necessary, because 8250_early.c will not init hardware if not provide baudrate. Change v2: 1. Add noinit options. 2. Remove duplicate code in 8250_mtk.c, reuse the 8250_early.c existed function. Eddie Huang (3): tty: serial: 8250: export early_serial8250_setup function tty: serial: 8250_mtk: Add earlycon arm64: dts: Add mediatek MT8173 earlycon support arch/arm64/boot/dts/mediatek/mt8173-evb.dts | 4 +++- drivers/tty/serial/8250/8250_early.c | 2 +- drivers/tty/serial/8250/8250_mtk.c | 13 +++++++++++++ include/linux/serial_8250.h | 2 ++ 4 files changed, 19 insertions(+), 2 deletions(-) -- 1.8.1.1.dirty