[PATCH] serial: mxs-auart: add sysrq support
Janusz Uzycki
j.uzycki at elproma.com.pl
Fri Sep 26 07:08:06 PDT 2014
When using mxs-auart 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: Janusz Uzycki <j.uzycki at elproma.com.pl>
---
drivers/tty/serial/mxs-auart.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index 9381732..4c998a3 100644
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c
@@ -14,6 +14,10 @@
* http://www.gnu.org/copyleft/gpl.html
*/
+#if defined(CONFIG_SERIAL_MXS_AUART_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
+#define SUPPORT_SYSRQ
+#endif
+
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/init.h>
--
1.7.11.3
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