From 42e9401bd1467d22c4dc4d2c637347b874e6a80b Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Thu, 9 Feb 2017 11:50:24 +0100 Subject: [PATCH] mtd: Add partition device node to mtd partition devices MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The user visible change here is that mtd partitions get an of_node link in sysfs. Signed-off-by: Sascha Hauer Signed-off-by: Uwe Kleine-König Signed-off-by: Brian Norris --- drivers/mtd/mtdpart.c | 1 + drivers/mtd/ofpart.c | 1 + include/linux/mtd/partitions.h | 1 + 3 files changed, 3 insertions(+) --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c @@ -432,6 +432,7 @@ static struct mtd_part *allocate_partiti 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; --- a/drivers/mtd/ofpart.c +++ b/drivers/mtd/ofpart.c @@ -108,6 +108,7 @@ static int parse_ofpart_partitions(struc 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) --- a/include/linux/mtd/partitions.h +++ b/include/linux/mtd/partitions.h @@ -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)