linux-kernel - [PATCH RESEND] tty: amba-pl011: Add earlycon support for SBSA UART

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Message-ID: <1477879459-62421-1-git-send-email-wangkefeng.wang@huawei.com>
Date:   Mon, 31 Oct 2016 10:04:19 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Wei Xu <xuwei5@...ilicon.com>
CC:     <linux-arm-kernel@...ts.infradead.org>, <mark.rutland@....com>,
        <robh+dt@...nel.org>, <will.deacon@....com>, <majun258@...wei.com>,
        <catalin.marinas@....com>, <linux-kernel@...r.kernel.org>,
        Kefeng Wang <wangkefeng.wang@...wei.com>,
        Russell King <linux@...linux.org.uk>
Subject: [PATCH RESEND] 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@...linux.org.uk>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
---
 drivers/tty/serial/amba-pl011.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index e2c33b9..a4a0b3d 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -2357,6 +2357,7 @@ 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
-- 
1.7.12.4