Merge tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
[cascardo/linux.git] / drivers / mtd / nand / jz4780_nand.c
index e1c016c..daf3c42 100644 (file)
@@ -17,7 +17,6 @@
 #include <linux/of.h>
 #include <linux/of_address.h>
 #include <linux/gpio/consumer.h>
-#include <linux/of_mtd.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/mtd/mtd.h>
@@ -56,8 +55,6 @@ struct jz4780_nand_chip {
        struct nand_chip chip;
        struct list_head chip_list;
 
-       struct nand_ecclayout ecclayout;
-
        struct gpio_desc *busy_gpio;
        struct gpio_desc *wp_gpio;
        unsigned int reading: 1;
@@ -165,8 +162,7 @@ static int jz4780_nand_init_ecc(struct jz4780_nand_chip *nand, struct device *de
        struct nand_chip *chip = &nand->chip;
        struct mtd_info *mtd = nand_to_mtd(chip);
        struct jz4780_nand_controller *nfc = to_jz4780_nand_controller(chip->controller);
-       struct nand_ecclayout *layout = &nand->ecclayout;
-       u32 start, i;
+       int eccbytes;
 
        chip->ecc.bytes = fls((1 + 8) * chip->ecc.size) *
                                (chip->ecc.strength / 8);
@@ -183,7 +179,6 @@ static int jz4780_nand_init_ecc(struct jz4780_nand_chip *nand, struct device *de
                chip->ecc.correct = jz4780_nand_ecc_correct;
                /* fall through */
        case NAND_ECC_SOFT:
-       case NAND_ECC_SOFT_BCH:
                dev_info(dev, "using %s (strength %d, size %d, bytes %d)\n",
                        (nfc->bch) ? "hardware BCH" : "software ECC",
                        chip->ecc.strength, chip->ecc.size, chip->ecc.bytes);
@@ -201,23 +196,17 @@ static int jz4780_nand_init_ecc(struct jz4780_nand_chip *nand, struct device *de
                return 0;
 
        /* Generate ECC layout. ECC codes are right aligned in the OOB area. */
-       layout->eccbytes = mtd->writesize / chip->ecc.size * chip->ecc.bytes;
+       eccbytes = mtd->writesize / chip->ecc.size * chip->ecc.bytes;
 
-       if (layout->eccbytes > mtd->oobsize - 2) {
+       if (eccbytes > mtd->oobsize - 2) {
                dev_err(dev,
                        "invalid ECC config: required %d ECC bytes, but only %d are available",
-                       layout->eccbytes, mtd->oobsize - 2);
+                       eccbytes, mtd->oobsize - 2);
                return -EINVAL;
        }
 
-       start = mtd->oobsize - layout->eccbytes;
-       for (i = 0; i < layout->eccbytes; i++)
-               layout->eccpos[i] = start + i;
-
-       layout->oobfree[0].offset = 2;
-       layout->oobfree[0].length = mtd->oobsize - layout->eccbytes - 2;
+       mtd->ooblayout = &nand_ooblayout_lp_ops;
 
-       chip->ecc.layout = layout;
        return 0;
 }