diff options
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/chips/cfi_cmdset_0002.c | 11 | ||||
| -rwxr-xr-x[-rw-r--r--] | drivers/mtd/chips/cfi_util.c | 4 |
2 files changed, 4 insertions, 11 deletions
diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c index 61ea833e0908..94bb61e19047 100644 --- a/drivers/mtd/chips/cfi_cmdset_0002.c +++ b/drivers/mtd/chips/cfi_cmdset_0002.c @@ -282,16 +282,6 @@ static void fixup_s29gl032n_sectors(struct mtd_info *mtd, void *param) } } -static void fixup_M29W128G_write_buffer(struct mtd_info *mtd, void *param) -{ - struct map_info *map = mtd->priv; - struct cfi_private *cfi = map->fldrv_priv; - if (cfi->cfiq->BufWriteTimeoutTyp) { - pr_warning("Don't use write buffer on ST flash M29W128G\n"); - cfi->cfiq->BufWriteTimeoutTyp = 0; - } -} - static struct cfi_fixup cfi_fixup_table[] = { { CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL }, #ifdef AMD_BOOTLOC_BUG @@ -308,7 +298,6 @@ static struct cfi_fixup cfi_fixup_table[] = { { CFI_MFR_AMD, 0x1301, fixup_s29gl064n_sectors, NULL, }, { CFI_MFR_AMD, 0x1a00, fixup_s29gl032n_sectors, NULL, }, { CFI_MFR_AMD, 0x1a01, fixup_s29gl032n_sectors, NULL, }, - { CFI_MFR_ST, 0x227E, fixup_M29W128G_write_buffer, NULL, }, #if !FORCE_WORD_WRITE { CFI_MFR_ANY, CFI_ID_ANY, fixup_use_write_buffers, NULL, }, #endif diff --git a/drivers/mtd/chips/cfi_util.c b/drivers/mtd/chips/cfi_util.c index 34d40e25d312..c5a84fda5410 100644..100755 --- a/drivers/mtd/chips/cfi_util.c +++ b/drivers/mtd/chips/cfi_util.c @@ -81,6 +81,10 @@ void __xipram cfi_qry_mode_off(uint32_t base, struct map_info *map, { cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL); cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL); + /* M29W128G flashes require an additional reset command + when exit qry mode */ + if ((cfi->mfr == CFI_MFR_ST) && (cfi->id == 0x227E || cfi->id == 0x7E)) + cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL); } EXPORT_SYMBOL_GPL(cfi_qry_mode_off); |