From 98684d99b25033f01eae0c25110e660620253b82 Mon Sep 17 00:00:00 2001 From: Marko Ratkaj Date: Thu, 13 Jun 2019 16:40:46 +0200 Subject: mvebu: add kernel 4.19 support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Marko Ratkaj [added sfp related patches from Russell King] Signed-off-by: Marek Behún [rebase; rework patches; separate and cleanup kernel configs; add espessobin dts; adjust venom dts] Signed-off-by: Tomasz Maciej Nowak --- .../mvebu/patches-4.19/100-find_active_root.patch | 60 ++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 target/linux/mvebu/patches-4.19/100-find_active_root.patch (limited to 'target/linux/mvebu/patches-4.19/100-find_active_root.patch') diff --git a/target/linux/mvebu/patches-4.19/100-find_active_root.patch b/target/linux/mvebu/patches-4.19/100-find_active_root.patch new file mode 100644 index 0000000000..f52a5108b8 --- /dev/null +++ b/target/linux/mvebu/patches-4.19/100-find_active_root.patch @@ -0,0 +1,60 @@ +The WRT1900AC among other Linksys routers uses a dual-firmware layout. +Dynamically rename the active partition to "ubi". + +Signed-off-by: Imre Kaloz + +--- a/drivers/mtd/ofpart.c ++++ b/drivers/mtd/ofpart.c +@@ -25,6 +25,8 @@ 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) +@@ -33,6 +35,7 @@ static int parse_fixed_partitions(struct + struct device_node *mtd_node; + struct device_node *ofpart_node; + const char *partname; ++ const char *owrtpart = "ubi"; + struct device_node *pp; + int nr_parts, i, ret = 0; + bool dedicated = true; +@@ -110,9 +113,13 @@ 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)) +@@ -219,6 +226,18 @@ 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); -- cgit v1.2.3