openwrtv3/target/linux/generic/backport-4.9/067-v4.17-0003-mtd-ofpart-add-of_match_table-with-fixed-partitions.patch

From 97b0c7c0df3efd7048ed39d7e2dee34cafd55887 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Wed, 14 Mar 2018 13:10:44 +0100
Subject: [PATCH] mtd: ofpart: add of_match_table with "fixed-partitions"
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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>
Reviewed-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.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_fixed_partitions,
 	.name = "fixed-partitions",
+	.of_match_table = parse_ofpart_match_table,
 };
 
 static int parse_ofoldpart_partitions(struct mtd_info *master,