linux-kernel - [PATCH v3 7/7] serial: pl011: add ACPI DBG2 serial port

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Date:	Mon, 29 Feb 2016 15:42:04 +0300
From:	Aleksey Makarov <aleksey.makarov@...aro.org>
To:	linux-acpi@...r.kernel.org
Cc:	linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Aleksey Makarov <aleksey.makarov@...aro.org>,
	Russell King <linux@....linux.org.uk>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"Rafael J . Wysocki" <rjw@...ysocki.net>,
	Leif Lindholm <leif.lindholm@...aro.org>,
	Graeme Gregory <graeme.gregory@...aro.org>,
	Al Stone <ahs3@...hat.com>,
	Christopher Covington <cov@...eaurora.org>,
	Matthias Brugger <mbrugger@...e.com>,
	Jiri Slaby <jslaby@...e.com>
Subject: [PATCH v3 7/7] serial: pl011: add ACPI DBG2 serial port

Add a handler for ACPI DBG2 serial port of type ACPI_DBG2_ARM_PL011
that sets up an earlycon on it.

Signed-off-by: Aleksey Makarov <aleksey.makarov@...aro.org>
---
 drivers/tty/serial/amba-pl011.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 500232a..d38da86 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -59,6 +59,7 @@
 #include <linux/sizes.h>
 #include <linux/io.h>
 #include <linux/acpi.h>
+#include <linux/acpi_dbg2.h>
 
 #include "amba-pl011.h"
 
@@ -2327,6 +2328,8 @@ static int __init pl011_early_console_setup(struct earlycon_device *device,
 	return 0;
 }
 OF_EARLYCON_DECLARE(pl011, "arm,pl011", pl011_early_console_setup);
+ACPI_DBG2_EARLYCON_DECLARE(pl011, ACPI_DBG2_ARM_PL011,
+			   pl011_early_console_setup);
 
 #else
 #define AMBA_CONSOLE	NULL
-- 
2.7.1