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serial: mfd: Add sysrq support

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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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Feng Tang 2013-06-14 18:11:17 +08:00 committed by Greg Kroah-Hartman
parent bf32d52c45
commit fcd2bb9b5d
1 changed files with 4 additions and 0 deletions
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4
drivers/tty/serial/mfd.c
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@ -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>