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