kernel: delete Linux 5.4 config and patches

As the upcoming release will be based on Linux 5.10 only, remove all
kernel configuration as well as patches for Linux 5.4.
There were no targets still actively using Linux 5.4.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(cherry picked from commit 3a14580411adfb75f9a44eded9f41245b9e44606)

1 files changed, 0 insertions, 71 deletions

diff --git a/target/linux/generic/pending-5.4/920-mangle_bootargs.patch b/target/linux/generic/pending-5.4/920-mangle_bootargs.patch
deleted file mode 100644
index 83db92609b..0000000000
--- a/target/linux/generic/pending-5.4/920-mangle_bootargs.patch
+++ /dev/null
@@ -1,71 +0,0 @@
-From: Imre Kaloz <kaloz@openwrt.org>
-Subject: init: add CONFIG_MANGLE_BOOTARGS and disable it by default
-
-Enabling this option renames the bootloader supplied root=
-and rootfstype= variables, which might have to be know but
-would break the automatisms OpenWrt uses.
-
-Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
----
- init/Kconfig |  9 +++++++++
- init/main.c  | 24 ++++++++++++++++++++++++
- 2 files changed, 33 insertions(+)
-
---- a/init/Kconfig
-+++ b/init/Kconfig
-@@ -1665,6 +1665,15 @@ config EMBEDDED
- 	  an embedded system so certain expert options are available
- 	  for configuration.
- 
-+config MANGLE_BOOTARGS
-+	bool "Rename offending bootargs"
-+	depends on EXPERT
-+	help
-+	  Sometimes the bootloader passed bogus root= and rootfstype=
-+	  parameters to the kernel, and while you want to ignore them,
-+	  you need to know the values f.e. to support dual firmware
-+	  layouts on the flash.
-+
- config HAVE_PERF_EVENTS
- 	bool
- 	help
---- a/init/main.c
-+++ b/init/main.c
-@@ -367,6 +367,29 @@ static inline void setup_nr_cpu_ids(void
- static inline void smp_prepare_cpus(unsigned int maxcpus) { }
- #endif
- 
-+#ifdef CONFIG_MANGLE_BOOTARGS
-+static void __init mangle_bootargs(char *command_line)
-+{
-+	char *rootdev;
-+	char *rootfs;
-+
-+	rootdev = strstr(command_line, "root=/dev/mtdblock");
-+
-+	if (rootdev)
-+		strncpy(rootdev, "mangled_rootblock=", 18);
-+
-+	rootfs = strstr(command_line, "rootfstype");
-+
-+	if (rootfs)
-+		strncpy(rootfs, "mangled_fs", 10);
-+
-+}
-+#else
-+static void __init mangle_bootargs(char *command_line)
-+{
-+}
-+#endif
-+
- /*
-  * We need to store the untouched command line for future reference.
-  * We also need to store the touched command line since the parameter
-@@ -597,6 +620,7 @@ asmlinkage __visible void __init start_k
- 	pr_notice("%s", linux_banner);
- 	early_security_init();
- 	setup_arch(&command_line);
-+	mangle_bootargs(command_line);
- 	setup_command_line(command_line);
- 	setup_nr_cpu_ids();
- 	setup_per_cpu_areas();