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49c7b92ff6
The current code only allows to automatically set root device on MTD partitions. Move the code to MTD core to allow to use it with all MTD devices. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38643 3c298f89-4303-0410-b956-a3cf2f4a3e73
19 lines
699 B
Diff
19 lines
699 B
Diff
--- a/drivers/mtd/mtdpart.c
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+++ b/drivers/mtd/mtdpart.c
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@@ -331,7 +331,14 @@ static int part_lock(struct mtd_info *mt
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static int part_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
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{
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struct mtd_part *part = PART(mtd);
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- return part->master->_unlock(part->master, ofs + part->offset, len);
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+
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+ ofs += part->offset;
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+ if (mtd->flags & MTD_ERASE_PARTIAL) {
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+ /* round up len to next erasesize and round down offset to prev block */
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+ len = (mtd_div_by_eb(len, part->master) + 1) * part->master->erasesize;
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+ ofs &= ~(part->master->erasesize - 1);
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+ }
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+ return part->master->_unlock(part->master, ofs, len);
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}
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static int part_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len)
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