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kernel: backport mtd implementation for "compatible" in "partitions" subnode

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This backports upstream support for "compatible" DT property set for the
"partitions" subnode of flash node. It allows specifying how partitions
should be created/parsed. Right now only "fixed-partitions" is
supported.

It should eventually replace our downstream "linux,part-probe" solution.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
This commit is contained in:
Rafał Miłecki
2018-01-11 11:59:39 +01:00
parent ef27f15330
commit bde5e7a632
18 changed files with 386 additions and 56 deletions
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6
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
@@ -799,6 +799,17 @@ run_parsers_by_type(struct mtd_part *sla
@@ -800,6 +800,17 @@ 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
@@ -1144,6 +1155,24 @@ int mtd_is_partition(const struct mtd_in
@@ -1203,6 +1214,24 @@ int mtd_is_partition(const struct mtd_in
}
EXPORT_SYMBOL_GPL(mtd_is_partition);
@@ -83,7 +83,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
if (mtd->writesize_shift)
--- a/include/linux/mtd/partitions.h
+++ b/include/linux/mtd/partitions.h
@@ -114,6 +114,8 @@ int mtd_is_partition(const struct mtd_in
@@ -115,6 +115,8 @@ int mtd_is_partition(const struct mtd_in
int mtd_add_partition(struct mtd_info *master, const char *name,
long long offset, long long length);
int mtd_del_partition(struct mtd_info *master, int partno);