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mtd: denali: remove unnecessary stubs

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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>
This commit is contained in:
Masahiro Yamada 2015-01-13 13:29:17 +09:00 • committed by Brian Norris
parent 2ea69d217a
commit d79ee72b8a
1 changed files with 0 additions and 38 deletions
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38
drivers/mtd/nand/denali.c
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@ -1328,35 +1328,6 @@ static void denali_cmdfunc(struct mtd_info *mtd, unsigned int cmd, int col,
break; 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 */ /* end NAND core entry points */
/* Initialization code to bring the device up to a known good state */ /* 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->totalblks = denali->mtd.size >> denali->nand.phys_erase_shift;
denali->blksperchip = denali->totalblks / denali->nand.numchips; 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 */ /* override the default read operations */
denali->nand.ecc.size = ECC_SECTOR_SIZE * denali->devnum; denali->nand.ecc.size = ECC_SECTOR_SIZE * denali->devnum;
denali->nand.ecc.read_page = denali_read_page; denali->nand.ecc.read_page = denali_read_page;