mtd: denali: remove unnecessary stubs

This driver uses NAND_ECC_HW_SYNDROME mode.  The nand_scan_tail()
function would not complain about missing ecc->calculate,
ecc->correct, ecc->hwctl handlers.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>

diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c
index 5e397fb..f44c606 100644 (file)
--- a/drivers/mtd/nand/denali.c
+++ b/drivers/mtd/nand/denali.c
@@ -1328,35 +1328,6 @@ static void denali_cmdfunc(struct mtd_info *mtd, unsigned int cmd, int col,
                break;
        }
 }
-
-/* stubs for ECC functions not used by the NAND core */
-static int denali_ecc_calculate(struct mtd_info *mtd, const uint8_t *data,
-                               uint8_t *ecc_code)
-{
-       struct denali_nand_info *denali = mtd_to_denali(mtd);
-
-       dev_err(denali->dev, "denali_ecc_calculate called unexpectedly\n");
-       BUG();
-       return -EIO;
-}
-
-static int denali_ecc_correct(struct mtd_info *mtd, uint8_t *data,
-                               uint8_t *read_ecc, uint8_t *calc_ecc)
-{
-       struct denali_nand_info *denali = mtd_to_denali(mtd);
-
-       dev_err(denali->dev, "denali_ecc_correct called unexpectedly\n");
-       BUG();
-       return -EIO;
-}
-
-static void denali_ecc_hwctl(struct mtd_info *mtd, int mode)
-{
-       struct denali_nand_info *denali = mtd_to_denali(mtd);
-
-       dev_err(denali->dev, "denali_ecc_hwctl called unexpectedly\n");
-       BUG();
-}
 /* end NAND core entry points */
 
 /* Initialization code to bring the device up to a known good state */
@@ -1609,15 +1580,6 @@ int denali_init(struct denali_nand_info *denali)
        denali->totalblks = denali->mtd.size >> denali->nand.phys_erase_shift;
        denali->blksperchip = denali->totalblks / denali->nand.numchips;
 
-       /*
-        * These functions are required by the NAND core framework, otherwise,
-        * the NAND core will assert. However, we don't need them, so we'll stub
-        * them out.
-        */
-       denali->nand.ecc.calculate = denali_ecc_calculate;
-       denali->nand.ecc.correct = denali_ecc_correct;
-       denali->nand.ecc.hwctl = denali_ecc_hwctl;
-
        /* override the default read operations */
        denali->nand.ecc.size = ECC_SECTOR_SIZE * denali->devnum;
        denali->nand.ecc.read_page = denali_read_page;