[MTD] NAND Modularize read function

Split the core of the read function out and implement seperate handling functions for software and hardware ECC. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
git-mirror · May 25, 2006 · f5bbdac · f5bbdac
1 parent 9577f44
commit f5bbdac
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Showing 4 changed files with 275 additions and 255 deletions.
diff --git a/drivers/mtd/nand/diskonchip.c b/drivers/mtd/nand/diskonchip.c
@@ -968,12 +968,14 @@ static int doc200x_calculate_ecc(struct mtd_info *mtd, const u_char *dat, unsign
 	return 0;
 }
 
-static int doc200x_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc)
+static int doc200x_correct_data(struct mtd_info *mtd, u_char *dat,
+				u_char *read_ecc, u_char *isnull)
 {
 	int i, ret = 0;
 	struct nand_chip *this = mtd->priv;
 	struct doc_priv *doc = this->priv;
 	void __iomem *docptr = doc->virtadr;
+	uint8_t calc_ecc[6];
 	volatile u_char dummy;
 	int emptymatch = 1;