diff options
Diffstat (limited to 'target/linux/generic/patches-4.4/890-uart_optional_sysrq.patch')
| -rw-r--r-- | target/linux/generic/patches-4.4/890-uart_optional_sysrq.patch | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.4/890-uart_optional_sysrq.patch b/target/linux/generic/patches-4.4/890-uart_optional_sysrq.patch new file mode 100644 index 0000000000..0e37f9456c --- /dev/null +++ b/target/linux/generic/patches-4.4/890-uart_optional_sysrq.patch @@ -0,0 +1,25 @@ +--- 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) + { |