[PATCH RESEND] serial: mxs-auart: add sysrq support
From: Janusz Uzycki <hidden>
Date: 2014-09-29 13:59:20
Also in:
linux-arm-kernel, linux-devicetree
Subsystem:
the rest, tty layer and serial drivers · Maintainers:
Linus Torvalds, Greg Kroah-Hartman, Jiri Slaby
Possibly related (same subject, not in this thread)
- 2014-10-02 · [PATCH RESEND] serial: mxs-auart: add sysrq support · Janusz Uzycki <hidden>
- 2014-10-02 · Re: [PATCH RESEND] serial: mxs-auart: add sysrq support · Janusz Uzycki <hidden>
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 <redacted> --- 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