kernel: remove support for kernel 4.9

[openwrt/staging/mkresin.git] / target / linux / generic / pending-4.9 / 890-uart_optional_sysrq.patch

diff --git a/target/linux/generic/pending-4.9/890-uart_optional_sysrq.patch b/target/linux/generic/pending-4.9/890-uart_optional_sysrq.patch
deleted file mode 100644 (file)
index 8941571..0000000
--- a/target/linux/generic/pending-4.9/890-uart_optional_sysrq.patch
+++ /dev/null
@@ -1,40 +0,0 @@
-From: John Crispin <john@phrozen.org>
-Subject: serial: do not accept sysrq characters via serial port
-
-many embedded boards have a disconnected TTL level serial which can
-generate some garbage that can lead to spurious false sysrq detects.
-
-[john@phrozen.org: sent upstream 22.12.2016]
-
-Signed-off-by: John Crispin <john@phrozen.org>
-Signed-off-by: Felix Fietkau <nbd@nbd.name>
----
- include/linux/serial_core.h | 2 +-
- lib/Kconfig.debug           | 5 +++++
- 2 files changed, 6 insertions(+), 1 deletion(-)
-
---- a/include/linux/serial_core.h
-+++ b/include/linux/serial_core.h
-@@ -457,7 +457,7 @@ 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)
- {
---- a/lib/Kconfig.debug
-+++ b/lib/Kconfig.debug
-@@ -410,6 +410,11 @@ 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