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82 lines
2.7 KiB
Diff
82 lines
2.7 KiB
Diff
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From e62ff8f02eb3ae35ae7ece7c5272a689fd8b0bcd Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Fri, 27 Jul 2018 21:37:48 +0200
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Subject: [PATCH] Revert "mtd: partitions: use DT info for parsing partitions
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with "compatible" prop"
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This reverts commit 76a832254ab05502c9394cc51ded6f0abe0e0bee.
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---
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drivers/mtd/mtdpart.c | 33 ++++++++++++++++++++-------------
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1 file changed, 20 insertions(+), 13 deletions(-)
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--- a/drivers/mtd/mtdpart.c
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+++ b/drivers/mtd/mtdpart.c
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@@ -453,6 +453,22 @@ static inline void free_partition(struct
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kfree(p);
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}
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+/**
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+ * mtd_parse_part - parse MTD partition looking for subpartitions
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+ *
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+ * @slave: part that is supposed to be a container and should be parsed
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+ * @types: NULL-terminated array with names of partition parsers to try
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+ *
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+ * Some partitions are kind of containers with extra subpartitions (volumes).
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+ * There can be various formats of such containers. This function tries to use
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+ * specified parsers to analyze given partition and registers found
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+ * subpartitions on success.
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+ */
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+static int mtd_parse_part(struct mtd_part *slave, const char *const *types)
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+{
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+ return parse_mtd_partitions(&slave->mtd, types, NULL);
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+}
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+
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static struct mtd_part *allocate_partition(struct mtd_info *parent,
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const struct mtd_partition *part, int partno,
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uint64_t cur_offset)
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@@ -924,8 +940,8 @@ int add_mtd_partitions(struct mtd_info *
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add_mtd_device(&slave->mtd);
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mtd_partition_split(master, slave);
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mtd_add_partition_attrs(slave);
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- /* Look for subpartitions */
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- parse_mtd_partitions(&slave->mtd, parts[i].types, NULL);
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+ if (parts[i].types)
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+ mtd_parse_part(slave, parts[i].types);
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cur_offset = slave->offset + slave->mtd.size;
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}
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@@ -1037,12 +1053,6 @@ static const char * const default_mtd_pa
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NULL
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};
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-/* Check DT only when looking for subpartitions. */
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-static const char * const default_subpartition_types[] = {
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- "ofpart",
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- NULL
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-};
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-
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static int mtd_part_do_parse(struct mtd_part_parser *parser,
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struct mtd_info *master,
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struct mtd_partitions *pparts,
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@@ -1113,9 +1123,7 @@ static int mtd_part_of_parse(struct mtd_
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const char *fixed = "fixed-partitions";
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int ret, err = 0;
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- np = mtd_get_of_node(master);
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- if (!mtd_is_partition(master))
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- np = of_get_child_by_name(np, "partitions");
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+ np = of_get_child_by_name(mtd_get_of_node(master), "partitions");
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of_property_for_each_string(np, "compatible", prop, compat) {
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parser = mtd_part_get_compatible_parser(compat);
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if (!parser)
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@@ -1185,8 +1193,7 @@ int parse_mtd_partitions(struct mtd_info
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}
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if (!types)
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- types = mtd_is_partition(master) ? default_subpartition_types :
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- default_mtd_part_types;
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+ types = default_mtd_part_types;
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for ( ; *types; types++) {
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/*
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