diff options
| author | Wolfgang Grandegger <wg@grandegger.com> | 2009-01-08 19:21:27 +0100 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2009-01-09 12:16:28 +0000 |
| commit | fefae48bf8caab7d56ee4f8181f06602cf73d29e (patch) | |
| tree | f34d60185f770b7ac800094cac1a331c60e0473e | |
| parent | a808ad3b0d28411e2838117c5b2ae680ae42483c (diff) | |
| download | blackbird-op-linux-fefae48bf8caab7d56ee4f8181f06602cf73d29e.tar.gz blackbird-op-linux-fefae48bf8caab7d56ee4f8181f06602cf73d29e.zip | |
[MTD] CFI: remove major/minor version check for command set 0x0002
The NOR Flash memory K8P2815UQB from Samsung uses the major version
number '0'. Add a quirk to cope with it.
Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
| -rw-r--r-- | drivers/mtd/chips/cfi_cmdset_0002.c | 10 | ||||
| -rw-r--r-- | include/linux/mtd/cfi.h | 1 |
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c index f9c435a42670..94bb61e19047 100644 --- a/drivers/mtd/chips/cfi_cmdset_0002.c +++ b/drivers/mtd/chips/cfi_cmdset_0002.c @@ -322,6 +322,14 @@ static struct cfi_fixup fixup_table[] = { }; +static void cfi_fixup_major_minor(struct cfi_private *cfi, + struct cfi_pri_amdstd *extp) +{ + if (cfi->mfr == CFI_MFR_SAMSUNG && cfi->id == 0x257e && + extp->MajorVersion == '0') + extp->MajorVersion = '1'; +} + struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary) { struct cfi_private *cfi = map->fldrv_priv; @@ -363,6 +371,8 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary) return NULL; } + cfi_fixup_major_minor(cfi, extp); + if (extp->MajorVersion != '1' || (extp->MinorVersion < '0' || extp->MinorVersion > '4')) { printk(KERN_ERR " Unknown Amd/Fujitsu Extended Query " diff --git a/include/linux/mtd/cfi.h b/include/linux/mtd/cfi.h index 00e2b575021f..88d3d8fbf9f2 100644 --- a/include/linux/mtd/cfi.h +++ b/include/linux/mtd/cfi.h @@ -520,6 +520,7 @@ struct cfi_fixup { #define CFI_MFR_AMD 0x0001 #define CFI_MFR_ATMEL 0x001F +#define CFI_MFR_SAMSUNG 0x00EC #define CFI_MFR_ST 0x0020 /* STMicroelectronics */ void cfi_fixup(struct mtd_info *mtd, struct cfi_fixup* fixups); |
