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bf4aa52dbf
This makes some of the mtd patches apply again after some generic
patches were changed.
These problems where found by build bot.
Fixes: ac9bcefa3b ("kernel: use V10 of mtd patchset adding support for "compatible" string")
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
63 lines
1.7 KiB
Diff
63 lines
1.7 KiB
Diff
The WRT1900AC among other Linksys routers uses a dual-firmware layout.
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Dynamically rename the active partition to "ubi".
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Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
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---
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--- a/drivers/mtd/ofpart.c
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+++ b/drivers/mtd/ofpart.c
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@@ -25,6 +25,8 @@ static bool node_has_compatible(struct d
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return of_get_property(pp, "compatible", NULL);
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}
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+static int mangled_rootblock;
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+
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static int parse_fixed_partitions(struct mtd_info *master,
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const struct mtd_partition **pparts,
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struct mtd_part_parser_data *data)
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@@ -32,6 +34,7 @@ static int parse_fixed_partitions(struct
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struct mtd_partition *parts;
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struct device_node *mtd_node;
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struct device_node *ofpart_node;
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+ const char *owrtpart = "ubi";
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const char *partname;
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struct device_node *pp;
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int nr_parts, i, ret = 0;
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@@ -110,9 +113,15 @@ static int parse_fixed_partitions(struct
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parts[i].size = of_read_number(reg + a_cells, s_cells);
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parts[i].of_node = pp;
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- partname = of_get_property(pp, "label", &len);
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- if (!partname)
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- partname = of_get_property(pp, "name", &len);
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+ if (mangled_rootblock && (i == mangled_rootblock)) {
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+ partname = owrtpart;
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+ } else {
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+ partname = of_get_property(pp, "label", &len);
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+
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+ if (!partname)
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+ partname = of_get_property(pp, "name", &len);
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+ }
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+
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parts[i].name = partname;
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if (of_get_property(pp, "read-only", &len))
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@@ -220,6 +229,18 @@ static int __init ofpart_parser_init(voi
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return 0;
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}
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+static int __init active_root(char *str)
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+{
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+ get_option(&str, &mangled_rootblock);
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+
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+ if (!mangled_rootblock)
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+ return 1;
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+
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+ return 1;
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+}
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+
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+__setup("mangled_rootblock=", active_root);
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+
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static void __exit ofpart_parser_exit(void)
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{
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deregister_mtd_parser(&ofpart_parser);
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