From: Kefeng Wang <wangkefeng.wang@huawei.com>
Date: Mon, 31 Oct 2016 02:04:19 +0000 (+0800)
Subject: tty: amba-pl011: Add earlycon support for SBSA UART
X-Git-Tag: Ubuntu-5.4-5.4.0-11.14~8841^2~15
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=fcb321590c9df4564003825258af67cfcb5aac55;p=mirror_ubuntu-focal-kernel.git

tty: amba-pl011: Add earlycon support for SBSA UART

Declare an OF early console for SBSA UART so that the early console device
can be specified via the "stdout-path" property in device-tree.

Cc: Russell King <linux@armlinux.org.uk>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index c00ab22afe9e..d4171d71a258 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -2412,6 +2412,7 @@ static int __init pl011_early_console_setup(struct earlycon_device *device,
 	return 0;
 }
 OF_EARLYCON_DECLARE(pl011, "arm,pl011", pl011_early_console_setup);
+OF_EARLYCON_DECLARE(pl011, "arm,sbsa-uart", pl011_early_console_setup);
 
 #else
 #define AMBA_CONSOLE	NULL