kernel: use V10 of mtd patchset adding support for "compatible" string

In the commit bde5e7a632ef0 ("kernel: backport mtd implementation for
"compatible" in "partitions" subnode") patches that got accepted into
l2-mtd.git were backported to the kernels 4.9 and 4.14. Unfortunately
there was a regression report, patches were dropped and never reached
4.16.

This commit replaces these pseudo-backports with the latest version
that includes regression fix and futher changes that were requested.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>

2 files changed, 0 insertions, 164 deletions

diff --git a/target/linux/generic/backport-4.14/041-v4.16-0001-mtd-partitions-add-of_match_table-parser-matching.patch b/target/linux/generic/backport-4.14/041-v4.16-0001-mtd-partitions-add-of_match_table-parser-matching.patch
deleted file mode 100644
index d698821f3c..0000000000
--- a/target/linux/generic/backport-4.14/041-v4.16-0001-mtd-partitions-add-of_match_table-parser-matching.patch
+++ /dev/null
@@ -1,121 +0,0 @@
-From bb2192123ec70470d6ea33f138846b175403a968 Mon Sep 17 00:00:00 2001
-From: Brian Norris <computersforpeace@gmail.com>
-Date: Thu, 4 Jan 2018 08:05:33 +0100
-Subject: [PATCH] mtd: partitions: add of_match_table parser matching
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-Partition parsers can now provide an of_match_table to enable
-flash<-->parser matching via device tree as documented in the
-mtd/partition.txt.
-
-It works by looking for a matching parser for every string in the
-"compatibility" property (starting with the most specific one).
-
-This support is currently limited to built-in parsers as it uses
-request_module() and friends. This should be sufficient for most cases
-though as compiling parsers as modules isn't a common choice.
-
-Signed-off-by: Brian Norris <computersforpeace@gmail.com>
-Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
-Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
----
- drivers/mtd/mtdpart.c          | 59 ++++++++++++++++++++++++++++++++++++++++++
- include/linux/mtd/partitions.h |  1 +
- 2 files changed, 60 insertions(+)
-
---- a/drivers/mtd/mtdpart.c
-+++ b/drivers/mtd/mtdpart.c
-@@ -30,6 +30,7 @@
- #include <linux/mtd/mtd.h>
- #include <linux/mtd/partitions.h>
- #include <linux/err.h>
-+#include <linux/of.h>
- 
- #include "mtdcore.h"
- 
-@@ -894,6 +895,45 @@ static int mtd_part_do_parse(struct mtd_
- }
- 
- /**
-+ * mtd_part_get_compatible_parser - find MTD parser by a compatible string
-+ *
-+ * @compat: compatible string describing partitions in a device tree
-+ *
-+ * MTD parsers can specify supported partitions by providing a table of
-+ * compatibility strings. This function finds a parser that advertises support
-+ * for a passed value of "compatible".
-+ */
-+static struct mtd_part_parser *mtd_part_get_compatible_parser(const char *compat)
-+{
-+	struct mtd_part_parser *p, *ret = NULL;
-+
-+	spin_lock(&part_parser_lock);
-+
-+	list_for_each_entry(p, &part_parsers, list) {
-+		const struct of_device_id *matches;
-+
-+		matches = p->of_match_table;
-+		if (!matches)
-+			continue;
-+
-+		for (; matches->compatible[0]; matches++) {
-+			if (!strcmp(matches->compatible, compat) &&
-+			    try_module_get(p->owner)) {
-+				ret = p;
-+				break;
-+			}
-+		}
-+
-+		if (ret)
-+			break;
-+	}
-+
-+	spin_unlock(&part_parser_lock);
-+
-+	return ret;
-+}
-+
-+/**
-  * parse_mtd_partitions - parse MTD partitions
-  * @master: the master partition (describes whole MTD device)
-  * @types: names of partition parsers to try or %NULL
-@@ -919,8 +959,27 @@ int parse_mtd_partitions(struct mtd_info
- 			 struct mtd_part_parser_data *data)
- {
- 	struct mtd_part_parser *parser;
-+	struct device_node *np;
-+	struct property *prop;
-+	const char *compat;
- 	int ret, err = 0;
- 
-+	np = of_get_child_by_name(mtd_get_of_node(master), "partitions");
-+	of_property_for_each_string(np, "compatible", prop, compat) {
-+		parser = mtd_part_get_compatible_parser(compat);
-+		if (!parser)
-+			continue;
-+		ret = mtd_part_do_parse(parser, master, pparts, data);
-+		if (ret > 0) {
-+			of_node_put(np);
-+			return 0;
-+		}
-+		mtd_part_parser_put(parser);
-+		if (ret < 0 && !err)
-+			err = ret;
-+	}
-+	of_node_put(np);
-+
- 	if (!types)
- 		types = default_mtd_part_types;
- 
---- a/include/linux/mtd/partitions.h
-+++ b/include/linux/mtd/partitions.h
-@@ -77,6 +77,7 @@ struct mtd_part_parser {
- 	struct list_head list;
- 	struct module *owner;
- 	const char *name;
-+	const struct of_device_id *of_match_table;
- 	int (*parse_fn)(struct mtd_info *, const struct mtd_partition **,
- 			struct mtd_part_parser_data *);
- 	void (*cleanup)(const struct mtd_partition *pparts, int nr_parts);
diff --git a/target/linux/generic/backport-4.14/041-v4.16-0002-mtd-ofpart-add-of_match_table-with-fixed-partitions.patch b/target/linux/generic/backport-4.14/041-v4.16-0002-mtd-ofpart-add-of_match_table-with-fixed-partitions.patch
deleted file mode 100644
index 2092cc28fd..0000000000
--- a/target/linux/generic/backport-4.14/041-v4.16-0002-mtd-ofpart-add-of_match_table-with-fixed-partitions.patch
+++ /dev/null
@@ -1,43 +0,0 @@
-From 4ac9222778478a00c7fc9d347b7ed1e0e595120d Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
-Date: Thu, 4 Jan 2018 08:05:34 +0100
-Subject: [PATCH] mtd: ofpart: add of_match_table with "fixed-partitions"
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-This allows using this parser with any flash driver that takes care of
-setting of_node (using mtd_set_of_node helper) correctly. Up to now
-support for "fixed-partitions" DT compatibility string was working only
-with flash drivers that were specifying "ofpart" (manually or by letting
-mtd use the default set of parsers).
-
-This matches existing bindings documentation.
-
-Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
-Reviewed-by: Brian Norris <computersforpeace@gmail.com>
-Tested-by: Brian Norris <computersforpeace@gmail.com>
-Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
----
- drivers/mtd/ofpart.c | 7 +++++++
- 1 file changed, 7 insertions(+)
-
---- a/drivers/mtd/ofpart.c
-+++ b/drivers/mtd/ofpart.c
-@@ -140,9 +140,16 @@ ofpart_none:
- 	return ret;
- }
- 
-+static const struct of_device_id parse_ofpart_match_table[] = {
-+	{ .compatible = "fixed-partitions" },
-+	{},
-+};
-+MODULE_DEVICE_TABLE(of, parse_ofpart_match_table);
-+
- static struct mtd_part_parser ofpart_parser = {
- 	.parse_fn = parse_ofpart_partitions,
- 	.name = "ofpart",
-+	.of_match_table = parse_ofpart_match_table,
- };
- 
- static int parse_ofoldpart_partitions(struct mtd_info *master,