kirkwood: drop kernel 5.4 support

It has been 3 months since we switched this target to 5.10, now we can
remove the 5.4 files.

Signed-off-by: Sungbo Eo <mans0n@gorani.run>

1 files changed, 0 insertions, 62 deletions

diff --git a/target/linux/kirkwood/patches-5.4/202-linksys-find-active-root.patch b/target/linux/kirkwood/patches-5.4/202-linksys-find-active-root.patch
deleted file mode 100644
index fe5e1e2cd0..0000000000
--- a/target/linux/kirkwood/patches-5.4/202-linksys-find-active-root.patch
+++ /dev/null
@@ -1,62 +0,0 @@
-The WRT1900AC among other Linksys routers uses a dual-firmware layout.
-Dynamically rename the active partition to "ubi".
-
-Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
----
---- a/drivers/mtd/parsers/ofpart_core.c
-+++ b/drivers/mtd/parsers/ofpart_core.c
-@@ -38,6 +38,8 @@ static bool node_has_compatible(struct d
- 	return of_get_property(pp, "compatible", NULL);
- }
- 
-+static int mangled_rootblock;
-+
- static int parse_fixed_partitions(struct mtd_info *master,
- 				  const struct mtd_partition **pparts,
- 				  struct mtd_part_parser_data *data)
-@@ -47,6 +49,7 @@ static int parse_fixed_partitions(struct
- 	struct mtd_partition *parts;
- 	struct device_node *mtd_node;
- 	struct device_node *ofpart_node;
-+	const char *owrtpart = "ubi";
- 	const char *partname;
- 	struct device_node *pp;
- 	int nr_parts, i, ret = 0;
-@@ -133,9 +136,15 @@ static int parse_fixed_partitions(struct
- 		parts[i].size = of_read_number(reg + a_cells, s_cells);
- 		parts[i].of_node = pp;
- 
--		partname = of_get_property(pp, "label", &len);
--		if (!partname)
--			partname = of_get_property(pp, "name", &len);
-+		if (mangled_rootblock && (i == mangled_rootblock)) {
-+			partname = owrtpart;
-+		} else {
-+			partname = of_get_property(pp, "label", &len);
-+
-+			if (!partname)
-+				partname = of_get_property(pp, "name", &len);
-+		}
-+
- 		parts[i].name = partname;
- 
- 		if (of_get_property(pp, "read-only", &len))
-@@ -249,6 +258,18 @@ static int __init ofpart_parser_init(voi
- 	return 0;
- }
- 
-+static int __init active_root(char *str)
-+{
-+	get_option(&str, &mangled_rootblock);
-+
-+	if (!mangled_rootblock)
-+		return 1;
-+
-+	return 1;
-+}
-+
-+__setup("mangled_rootblock=", active_root);
-+
- static void __exit ofpart_parser_exit(void)
- {
- 	deregister_mtd_parser(&ofpart_parser);