Merge git://git.infradead.org/mtd-2.6

[linux-2.6] / drivers / mtd / nand / nand_base.c

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index b4e0e7723894749a42752dd0fe26db91bae4743c..7acb1a0e7409fbf950a06e97f8e58b3a1be38559 100644 (file)
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -89,7 +89,7 @@ static int nand_do_write_oob(struct mtd_info *mtd, loff_t to,
                             struct mtd_oob_ops *ops);
 
 /*
- * For devices which display every fart in the system on a seperate LED. Is
+ * For devices which display every fart in the system on a separate LED. Is
  * compiled away when LED support is disabled.
  */
 DEFINE_LED_TRIGGER(nand_led_trigger);
@@ -789,7 +789,7 @@ static int nand_read_page_swecc(struct mtd_info *mtd, struct nand_chip *chip,
                int stat;
 
                stat = chip->ecc.correct(mtd, p, &ecc_code[i], &ecc_calc[i]);
-               if (stat == -1)
+               if (stat < 0)
                        mtd->ecc_stats.failed++;
                else
                        mtd->ecc_stats.corrected += stat;
@@ -833,7 +833,7 @@ static int nand_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip,
                int stat;
 
                stat = chip->ecc.correct(mtd, p, &ecc_code[i], &ecc_calc[i]);
-               if (stat == -1)
+               if (stat < 0)
                        mtd->ecc_stats.failed++;
                else
                        mtd->ecc_stats.corrected += stat;
@@ -874,7 +874,7 @@ static int nand_read_page_syndrome(struct mtd_info *mtd, struct nand_chip *chip,
                chip->read_buf(mtd, oob, eccbytes);
                stat = chip->ecc.correct(mtd, p, oob, NULL);
 
-               if (stat == -1)
+               if (stat < 0)
                        mtd->ecc_stats.failed++;
                else
                        mtd->ecc_stats.corrected += stat;
@@ -2469,8 +2469,12 @@ int nand_scan_tail(struct mtd_info *mtd)
                        chip->ecc.write_oob = nand_write_oob_std;
 
        case NAND_ECC_HW_SYNDROME:
-               if (!chip->ecc.calculate || !chip->ecc.correct ||
-                   !chip->ecc.hwctl) {
+               if ((!chip->ecc.calculate || !chip->ecc.correct ||
+                    !chip->ecc.hwctl) &&
+                   (!chip->ecc.read_page ||
+                    chip->ecc.read_page == nand_read_page_hwecc ||
+                    !chip->ecc.write_page ||
+                    chip->ecc.write_page == nand_write_page_hwecc)) {
                        printk(KERN_WARNING "No ECC functions supplied, "
                               "Hardware ECC not possible\n");
                        BUG();