Pass the OF node attached an MTD partition so that specific MTD device implementations can extract extra information from the DT definition.
Signed-off-by: Boris Brezillon <[email protected]> --- drivers/mtd/mtdpart.c | 2 ++ drivers/mtd/ofpart.c | 1 + include/linux/mtd/partitions.h | 3 ++- 3 files changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c index 9a45230..c2e5920 100644 --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c @@ -362,6 +362,8 @@ static struct mtd_part *allocate_partition(struct mtd_info *master, return ERR_PTR(-ENOMEM); } + slave->mtd.dev.of_node = part->of_node; + /* set up the MTD object for this partition */ slave->mtd.type = master->type; slave->mtd.flags = master->flags & ~part->mask_flags; diff --git a/drivers/mtd/ofpart.c b/drivers/mtd/ofpart.c index aa26c32..8a06cfb 100644 --- a/drivers/mtd/ofpart.c +++ b/drivers/mtd/ofpart.c @@ -73,6 +73,7 @@ static int parse_ofpart_partitions(struct mtd_info *master, continue; } + (*pparts)[i].of_node = pp; a_cells = of_n_addr_cells(pp); s_cells = of_n_size_cells(pp); (*pparts)[i].offset = of_read_number(reg, a_cells); diff --git a/include/linux/mtd/partitions.h b/include/linux/mtd/partitions.h index 6a35e6d..e4ff8a3 100644 --- a/include/linux/mtd/partitions.h +++ b/include/linux/mtd/partitions.h @@ -12,6 +12,7 @@ #include <linux/types.h> + /* * Partition definition structure: * @@ -42,6 +43,7 @@ struct mtd_partition { uint64_t offset; /* offset within the master MTD space */ uint32_t mask_flags; /* master MTD flags to mask out for this partition */ struct nand_ecclayout *ecclayout; /* out of band layout for this partition (NAND only) */ + struct device_node *of_node; /* OF node attached to this partition (optional) */ }; #define MTDPART_OFS_RETAIN (-3) @@ -63,7 +65,6 @@ struct mtd_part_parser_data { struct device_node *of_node; }; - /* * Functions dealing with the various ways of partitioning the space */ -- 1.9.1 -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
