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mtd_dataflash: unbreak erase support
Commit 5b7f3a50
(fix dataflash 64-bit divisions) unfortunately
introduced a typo. Erase addr and len were swapped in the pageaddr
calculation, causing the wrong sectors to get erased.
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Acked-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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1 changed files with 1 additions and 1 deletions
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@ -178,7 +178,7 @@ static int dataflash_erase(struct mtd_info *mtd, struct erase_info *instr)
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/* Calculate flash page address; use block erase (for speed) if
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* we're at a block boundary and need to erase the whole block.
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*/
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pageaddr = div_u64(instr->len, priv->page_size);
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pageaddr = div_u64(instr->addr, priv->page_size);
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do_block = (pageaddr & 0x7) == 0 && instr->len >= blocksize;
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pageaddr = pageaddr << priv->page_offset;
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