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Commit 42e9401b authored by Sascha Hauer's avatar Sascha Hauer Committed by Brian Norris
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mtd: Add partition device node to mtd partition devices 



The user visible change here is that mtd partitions get an of_node link
in sysfs.

Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: default avatarUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: default avatarBrian Norris <computersforpeace@gmail.com>
parent 89a0d9a9

drivers/mtd/mtdpart.c

+1 −0
Original line number Diff line number Diff line
@@ -432,6 +432,7 @@ static struct mtd_part *allocate_partition(struct mtd_info *master, 
	slave->mtd.dev.parent = IS_ENABLED(CONFIG_MTD_PARTITIONED_MASTER) ?

				&master->dev :

				master->dev.parent;

	slave->mtd.dev.of_node = part->of_node;



	slave->mtd._read = part_read;

	slave->mtd._write = part_write;

drivers/mtd/ofpart.c

+1 −0
Original line number Diff line number Diff line
@@ -108,6 +108,7 @@ static int parse_ofpart_partitions(struct mtd_info *master, 


		parts[i].offset = of_read_number(reg, a_cells);

		parts[i].size = of_read_number(reg + a_cells, s_cells);

		parts[i].of_node = pp;



		partname = of_get_property(pp, "label", &len);

		if (!partname)

include/linux/mtd/partitions.h

+1 −0
Original line number Diff line number Diff line
@@ -41,6 +41,7 @@ struct mtd_partition { 
	uint64_t size;			/* partition size */

	uint64_t offset;		/* offset within the master MTD space */

	uint32_t mask_flags;		/* master MTD flags to mask out for this partition */

	struct device_node *of_node;

};



#define MTDPART_OFS_RETAIN	(-3)