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[MTD] [OneNAND] Avoid deadlock in erase callback; release chip lock first. 

When the erase callback performs some other action on the flash, it's
highly likely to deadlock unless we actually release the chip lock
before calling it.

This patch mirrors that same change already done for NAND.

Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
This commit is contained in:
Adrian Hunter 2007-10-12 10:34:01 +03:00 committed by David Woodhouse
parent 30a7eb298a
commit 3cd3a86b6f
1 changed files with 4 additions and 3 deletions
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7
drivers/mtd/onenand/onenand_base.c
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@ -1711,13 +1711,14 @@ static int onenand_erase(struct mtd_info *mtd, struct erase_info *instr)
erase_exit:
ret = instr->state == MTD_ERASE_DONE ? 0 : -EIO;
/* Do call back function */
if (!ret)
mtd_erase_callback(instr);
/* Deselect and wake up anyone waiting on the device */
onenand_release_device(mtd);
/* Do call back function */
if (!ret)
mtd_erase_callback(instr);
return ret;
}