openwrt/target/linux/generic/patches-4.9/890-uart_optional_sysrq.patch
Felix Fietkau f791fb4af4 kernel: add linux 4.9 support
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Tim Harvey <tharvey@gateworks.com> [fixes]
2017-02-04 20:28:14 +01:00

26 lines
835 B
Diff

--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -397,6 +397,11 @@ config MAGIC_SYSRQ_DEFAULT_ENABLE
This may be set to 1 or 0 to enable or disable them all, or
to a bitmask as described in Documentation/sysrq.txt.
+config MAGIC_SYSRQ_SERIAL
+ bool "Enable magic SysRq key over serial"
+ depends on MAGIC_SYSRQ
+ default y
+
config DEBUG_KERNEL
bool "Kernel debugging"
help
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -448,7 +448,7 @@ extern void uart_handle_cts_change(struc
extern void uart_insert_char(struct uart_port *port, unsigned int status,
unsigned int overrun, unsigned int ch, unsigned int flag);
-#ifdef SUPPORT_SYSRQ
+#if defined(SUPPORT_SYSRQ) && defined(CONFIG_MAGIC_SYSRQ_SERIAL)
static inline int
uart_handle_sysrq_char(struct uart_port *port, unsigned int ch)
{