f52ce59f4c
many boards have a disconnected TTL level serial which can generate some garbage that can lead to spurious false sysrq detects. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Backport of r37210 SVN-Revision: 38863
25 lines
623 B
Diff
25 lines
623 B
Diff
--- a/drivers/tty/serial/8250/8250.c
|
|
+++ b/drivers/tty/serial/8250/8250.c
|
|
@@ -16,7 +16,7 @@
|
|
* membase is an 'ioremapped' cookie.
|
|
*/
|
|
|
|
-#if defined(CONFIG_SERIAL_8250_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
|
|
+#if defined(CONFIG_SERIAL_8250_SYSRQ) && defined(CONFIG_MAGIC_SYSRQ)
|
|
#define SUPPORT_SYSRQ
|
|
#endif
|
|
|
|
--- a/drivers/tty/serial/8250/Kconfig
|
|
+++ b/drivers/tty/serial/8250/Kconfig
|
|
@@ -66,6 +66,10 @@ config SERIAL_8250_CONSOLE
|
|
|
|
If unsure, say N.
|
|
|
|
+config SERIAL_8250_SYSRQ
|
|
+ bool "Magic sysrq support on 8250/16550 devices"
|
|
+ depends on SERIAL_8250_CONSOLE
|
|
+
|
|
config FIX_EARLYCON_MEM
|
|
bool
|
|
depends on X86
|