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@xxxxxxxxx> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html