linux,mtd-name allow to specify the mtd name for retro capability with
physmap-flash drivers as boot loader pass the mtd partition via the old
device name physmap-flash.
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagn...@jcrosoft.com>
---
Documentation/devicetree/bindings/mtd/mtd-physmap.txt | 3 +++
drivers/mtd/maps/physmap_of.c | 5 ++++-
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/mtd/mtd-physmap.txt
b/Documentation/devicetree/bindings/mtd/mtd-physmap.txt
index 94de19b..dab7847 100644
--- a/Documentation/devicetree/bindings/mtd/mtd-physmap.txt
+++ b/Documentation/devicetree/bindings/mtd/mtd-physmap.txt
@@ -23,6 +23,9 @@ file systems on embedded devices.
unaligned accesses as implemented in the JFFS2 code via memcpy().
By defining "no-unaligned-direct-access", the flash will not be
exposed directly to the MTD users (e.g. JFFS2) any more.
+ - linux,mtd-name: allow to specify the mtd name for retro capability with
+ physmap-flash drivers as boot loader pass the mtd partition via the old
+ device name physmap-flash.
For JEDEC compatible devices, the following additional properties
are defined:
diff --git a/drivers/mtd/maps/physmap_of.c b/drivers/mtd/maps/physmap_of.c
index 6f19aca..9a8db0c 100644
--- a/drivers/mtd/maps/physmap_of.c
+++ b/drivers/mtd/maps/physmap_of.c
@@ -170,6 +170,7 @@ static int __devinit of_flash_probe(struct platform_device
*dev)
resource_size_t res_size;
struct mtd_part_parser_data ppdata;
bool map_indirect;
+ const char *mtd_name;
match = of_match_device(of_flash_match, &dev->dev);
if (!match)
@@ -178,6 +179,8 @@ static int __devinit of_flash_probe(struct platform_device
*dev)
reg_tuple_size = (of_n_addr_cells(dp) + of_n_size_cells(dp)) *
sizeof(u32);
+ of_property_read_string(dp, "linux,mtd-name", &mtd_name);
+
/*
* Get number of "reg" tuples. Scan for MTD devices on area's
* described by each "reg" region. This makes it possible (including
@@ -234,7 +237,7 @@ static int __devinit of_flash_probe(struct platform_device
*dev)
goto err_out;
}
- info->list[i].map.name = dev_name(&dev->dev);
+ info->list[i].map.name = mtd_name ? mtd_name :
dev_name(&dev->dev);
info->list[i].map.phys = res.start;
info->list[i].map.size = res_size;
info->list[i].map.bankwidth = be32_to_cpup(width);
--
1.7.10.4
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