blob: 0e37f9456c2f09664064468bb103b3a06bb3b803 (
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--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -382,6 +382,11 @@ 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
@@ -426,7 +426,7 @@ 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)
{
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