diff options
Diffstat (limited to 'drivers/mtd/chips/cfi_cmdset_0001.c')
-rw-r--r-- | drivers/mtd/chips/cfi_cmdset_0001.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c index 350671ec522..47794d23a42 100644 --- a/drivers/mtd/chips/cfi_cmdset_0001.c +++ b/drivers/mtd/chips/cfi_cmdset_0001.c @@ -269,10 +269,16 @@ static void fixup_use_write_buffers(struct mtd_info *mtd, void *param) /* * Some chips power-up with all sectors locked by default. */ -static void fixup_use_powerup_lock(struct mtd_info *mtd, void *param) +static void fixup_unlock_powerup_lock(struct mtd_info *mtd, void *param) { - printk(KERN_INFO "Using auto-unlock on power-up/resume\n" ); - mtd->flags |= MTD_STUPID_LOCK; + struct map_info *map = mtd->priv; + struct cfi_private *cfi = map->fldrv_priv; + struct cfi_pri_intelext *cfip = cfi->cmdset_priv; + + if (cfip->FeatureSupport&32) { + printk(KERN_INFO "Using auto-unlock on power-up/resume\n" ); + mtd->flags |= MTD_POWERUP_LOCK; + } } static struct cfi_fixup cfi_fixup_table[] = { @@ -288,7 +294,7 @@ static struct cfi_fixup cfi_fixup_table[] = { #endif { CFI_MFR_ST, 0x00ba, /* M28W320CT */ fixup_st_m28w320ct, NULL }, { CFI_MFR_ST, 0x00bb, /* M28W320CB */ fixup_st_m28w320cb, NULL }, - { MANUFACTURER_INTEL, 0x891c, fixup_use_powerup_lock, NULL, }, + { MANUFACTURER_INTEL, CFI_ID_ANY, fixup_unlock_powerup_lock, NULL, }, { 0, 0, NULL, NULL } }; @@ -1562,9 +1568,12 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, int ret, wbufsize, word_gap, words; const struct kvec *vec; unsigned long vec_seek; + unsigned long initial_adr; + int initial_len = len; wbufsize = cfi_interleave(cfi) << cfi->cfiq->MaxBufWriteSize; adr += chip->start; + initial_adr = adr; cmd_adr = adr & ~(wbufsize-1); /* Let's determine this according to the interleave only once */ @@ -1577,7 +1586,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, return ret; } - XIP_INVAL_CACHED_RANGE(map, adr, len); + XIP_INVAL_CACHED_RANGE(map, initial_adr, initial_len); ENABLE_VPP(map); xip_disable(map, chip, cmd_adr); @@ -1668,7 +1677,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, chip->state = FL_WRITING; ret = INVAL_CACHE_AND_WAIT(map, chip, cmd_adr, - adr, len, + initial_adr, initial_len, chip->buffer_write_time); if (ret) { map_write(map, CMD(0x70), cmd_adr); @@ -2349,7 +2358,7 @@ static int cfi_intelext_suspend(struct mtd_info *mtd) struct flchip *chip; int ret = 0; - if ((mtd->flags & MTD_STUPID_LOCK) + if ((mtd->flags & MTD_POWERUP_LOCK) && extp && (extp->FeatureSupport & (1 << 5))) cfi_intelext_save_locks(mtd); @@ -2460,7 +2469,7 @@ static void cfi_intelext_resume(struct mtd_info *mtd) spin_unlock(chip->mutex); } - if ((mtd->flags & MTD_STUPID_LOCK) + if ((mtd->flags & MTD_POWERUP_LOCK) && extp && (extp->FeatureSupport & (1 << 5))) cfi_intelext_restore_locks(mtd); } |