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[RESEND] serial: mxs-auart: add sysrq support

Message ID 1411999160-26804-2-git-send-email-j.uzycki@elproma.com.pl (mailing list archive)
State New, archived
Headers show

Commit Message

j.uzycki@elproma.com.pl Sept. 29, 2014, 1:59 p.m. UTC
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@elproma.com.pl>
---
 drivers/tty/serial/mxs-auart.c | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

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>