Commit 09cbe581 authored Apr 27, 2012 by Bastian Hecht Committed by David Woodhouse May 13, 2012

mtd: nand: Add a NAND_CMD_STATUS when using write verification



To make sure the NAND chip is properly programmed we need a status
command before each page write. When CONFIG_MTD_NAND_VERIFY_WRITE=y this
assumption is broken when writing multiple pages consecutively. This
patch fixes this.

Signed-off-by: Bastian Hecht <hechtb@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

parent b6778fd7

drivers/mtd/nand/nand_base.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -2118,6 +2118,9 @@ static int nand_write_page(struct mtd_info mtd, struct nand_chip chip,

		if (chip->verify_buf(mtd, buf, mtd->writesize))
		return -EIO;

		/* Make sure the next page prog is preceded by a status read */
		chip->cmdfunc(mtd, NAND_CMD_STATUS, -1, -1);
		#endif
		return 0;
		}