[v3,7/7] serial: pl011: add ACPI DBG2 serial port

Message ID 1456749726-30261-8-git-send-email-aleksey.makarov@linaro.org
State New
Headers show

Commit Message

Aleksey Makarov Feb. 29, 2016, 12:42 p.m.
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@linaro.org>

---
 drivers/tty/serial/amba-pl011.c | 3 +++
 1 file changed, 3 insertions(+)

-- 
2.7.1

Patch

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