linux-kernel - [PATCHv2] OMAP: Enable Magic SysRq on serial console ttyOx

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Message-Id: <1295426461-12459-1-git-send-email-weber@corscience.de>
Date:	Wed, 19 Jan 2011 09:41:01 +0100
From:	Thomas Weber <weber@...science.de>
To:	linux-omap@...r.kernel.org
Cc:	Thomas Weber <weber@...science.de>,
	Tony Lindgren <tony@...mide.com>,
	"Govindraj.R" <govindraj.raja@...com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Andrei Emeltchenko <andrei.emeltchenko@...ia.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCHv2] OMAP: Enable Magic SysRq on serial console ttyOx

Magic SysRq key is not working for OMAP on new serial
console ttyOx because SUPPORT_SYSRQ is not defined
for omap-serial.

This patch defines SUPPORT_SYSRQ in omap-serial and
enables handling of Magic SysRq character.

Signed-off-by: Thomas Weber <weber@...science.de>
---
Changes from v1: Changed comment

 drivers/serial/omap-serial.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/serial/omap-serial.c b/drivers/serial/omap-serial.c
index 1201eff..907be9b 100644
--- a/drivers/serial/omap-serial.c
+++ b/drivers/serial/omap-serial.c
@@ -20,6 +20,10 @@
  * this driver as required for the omap-platform.
  */
 
+#if defined(CONFIG_SERIAL_OMAP_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
+#define SUPPORT_SYSRQ
+#endif
+
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/console.h>
-- 
1.7.4.rc2

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