* [PATCH] serial: mfd: Add sysrq support
@ 2013-06-14 10:11 Feng Tang
0 siblings, 0 replies; only message in thread
From: Feng Tang @ 2013-06-14 10:11 UTC (permalink / raw)
To: gregkh, linux-serial, alan; +Cc: Feng Tang
When using MFD HSU based console, sometime we need the sysrq function
to help debugging kernel. The sysrq code is basically there, this
patch just simply enable it.
Signed-off-by: Feng Tang <feng.tang@intel.com>
---
drivers/tty/serial/mfd.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/tty/serial/mfd.c b/drivers/tty/serial/mfd.c
index 5f4765a..e266eca 100644
--- a/drivers/tty/serial/mfd.c
+++ b/drivers/tty/serial/mfd.c
@@ -21,6 +21,10 @@
* be triggered
*/
+#if defined(CONFIG_SERIAL_MFD_HSU_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
+#define SUPPORT_SYSRQ
+#endif
+
#include <linux/module.h>
#include <linux/init.h>
#include <linux/console.h>
--
1.7.9.5
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