From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kefeng Wang Subject: Re: [PATCH] serial: 8250_early: Add earlycon support for Synopsys DesignWare ABP UART Date: Sun, 12 Jun 2016 10:18:46 +0800 Message-ID: <575CC686.8070407@huawei.com> References: <1462946761-11982-1-git-send-email-wangkefeng.wang@huawei.com> <573D1ABD.5020908@huawei.com> <20160519213516.GA12456@broadcom.com> Mime-Version: 1.0 Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20160519213516.GA12456@broadcom.com> Sender: linux-kernel-owner@vger.kernel.org To: Jon Mason Cc: Greg Kroah-Hartman , Jiri Slaby , linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, guohanjun@huawei.com, Wei Xu , linux-arm-kernel List-Id: linux-serial@vger.kernel.org On 2016/5/20 5:35, Jon Mason wrote: > On Thu, May 19, 2016 at 09:45:33AM +0800, Kefeng Wang wrote: >> +Cc Jon and arm-kernel mailist >> >> Any comments, thanks. > > It works for me. Please feel free to add > > Tested-by: Jon Mason Thanks Jon, hi Greg, ping... BRs, Kefeng > > Thanks, > Jon > >> >> Kefeng >> >> On 2016/5/11 14:06, Kefeng Wang wrote: >>> Some board like Hisilicon D02 uses Synopsys DesignWare ABP UART, declare an >>> OF early console for it, so early console device can be enabled with comand >>> line "earlycon"(without option) via the "stdout-path" property in device-tree. >>> >>> Signed-off-by: Kefeng Wang >>> --- >>> drivers/tty/serial/8250/8250_early.c | 1 + >>> 1 file changed, 1 insertion(+) >>> >>> diff --git a/drivers/tty/serial/8250/8250_early.c b/drivers/tty/serial/8250/8250_early.c >>> index 8d08ff5..85a12f0 100644 >>> --- a/drivers/tty/serial/8250/8250_early.c >>> +++ b/drivers/tty/serial/8250/8250_early.c >>> @@ -150,6 +150,7 @@ EARLYCON_DECLARE(uart, early_serial8250_setup); >>> OF_EARLYCON_DECLARE(ns16550, "ns16550", early_serial8250_setup); >>> OF_EARLYCON_DECLARE(ns16550a, "ns16550a", early_serial8250_setup); >>> OF_EARLYCON_DECLARE(uart, "nvidia,tegra20-uart", early_serial8250_setup); >>> +OF_EARLYCON_DECLARE(uart, "snps,dw-apb-uart", early_serial8250_setup); >>> >>> #ifdef CONFIG_SERIAL_8250_OMAP >>> >>> >> > > . >