diff options
| author | Bastian Hecht <hechtb@googlemail.com> | 2012-05-14 14:14:44 +0200 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2012-07-06 18:17:03 +0100 |
| commit | 50ed399cc3fbe5e16de78f7b62a39b8280f9001b (patch) | |
| tree | d67fe586b9a296a067831725ba3e4861c83e45cd /drivers/mtd/nand/sh_flctl.c | |
| parent | ef4ce0bcb3c91375d2bdefd7a0e2fead95c97620 (diff) | |
mtd: sh_flctl: Simplify the hardware ecc page read/write
As the equation mtd->writesize == eccsteps * eccsize holds, we can
simplify the code. The second loop of the 1st hunk is never entered,
so we delete it.
Signed-off-by: Bastian Hecht <hechtb@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd/nand/sh_flctl.c')
| -rw-r--r-- | drivers/mtd/nand/sh_flctl.c | 25 |
1 files changed, 2 insertions, 23 deletions
diff --git a/drivers/mtd/nand/sh_flctl.c b/drivers/mtd/nand/sh_flctl.c index 8633b5b98a13..1cc19eb1c302 100644 --- a/drivers/mtd/nand/sh_flctl.c +++ b/drivers/mtd/nand/sh_flctl.c @@ -353,35 +353,14 @@ static void set_cmd_regs(struct mtd_info *mtd, uint32_t cmd, uint32_t flcmcdr_va static int flctl_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip, uint8_t *buf, int oob_required, int page) { - int i, eccsize = chip->ecc.size; - int eccbytes = chip->ecc.bytes; - int eccsteps = chip->ecc.steps; - uint8_t *p = buf; - struct sh_flctl *flctl = mtd_to_flctl(mtd); - - for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) - chip->read_buf(mtd, p, eccsize); - - for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) { - if (flctl->hwecc_cant_correct[i]) - mtd->ecc_stats.failed++; - else - mtd->ecc_stats.corrected += 0; /* FIXME */ - } - + chip->read_buf(mtd, buf, mtd->writesize); return 0; } static void flctl_write_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip, const uint8_t *buf, int oob_required) { - int i, eccsize = chip->ecc.size; - int eccbytes = chip->ecc.bytes; - int eccsteps = chip->ecc.steps; - const uint8_t *p = buf; - - for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) - chip->write_buf(mtd, p, eccsize); + chip->write_buf(mtd, buf, mtd->writesize); } static void execmd_read_page_sector(struct mtd_info *mtd, int page_addr) |