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kernel: backport mtd support for subpartitions in DT

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This is a new & warm feature that allows nesting partiitons in DT and
mixing their types (e.g. static vs. dynamic). It's very useful for
boards that have most partitions static but some of them require extra
parsing (e.g. a "firmware" partition).

It's required to successfully backport support for new devices using
that new syntax in their DT files.

Since brcm63xx has a custom alternative patch the upstream one is being
reverted for it. The plan is to make brcm63xx use the upstream
implementation.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
This commit is contained in:
Rafał Miłecki
2018-07-27 21:54:08 +02:00
parent 4c1aa64b4d
commit 2a598bbaa3
18 changed files with 402 additions and 36 deletions
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4
target/linux/generic/pending-4.14/404-mtd-add-more-helper-functions.patch
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@@ -11,7 +11,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -787,6 +787,17 @@ run_parsers_by_type(struct mtd_part *sla
@@ -771,6 +771,17 @@ run_parsers_by_type(struct mtd_part *sla
return nr_parts;
}
@@ -29,7 +29,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
#ifdef CONFIG_MTD_SPLIT_FIRMWARE_NAME
#define SPLIT_FIRMWARE_NAME CONFIG_MTD_SPLIT_FIRMWARE_NAME
#else
@@ -1230,6 +1241,24 @@ int mtd_is_partition(const struct mtd_in
@@ -1223,6 +1234,24 @@ int mtd_is_partition(const struct mtd_in
}
EXPORT_SYMBOL_GPL(mtd_is_partition);