diff options
| author | Stephen Rothwell <sfr@canb.auug.org.au> | 2009-05-04 13:01:52 +1000 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2009-05-04 13:01:52 +1000 |
| commit | a085700e02034bbca5bb73cf64e1e59fe1338465 (patch) | |
| tree | d1f6a72dc8b66b2aaee28b33957afd2421cd6764 /drivers | |
| parent | 9867f6c1e5ac5480d66f16e9813116bca7128c78 (diff) | |
| parent | 3f33b0aaac4e208579fe5aa2964857d4e9ba10c5 (diff) | |
Merge commit 'mtd/master'
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/devices/m25p80.c | 12 | ||||
| -rw-r--r-- | drivers/mtd/mtdcore.c | 18 |
2 files changed, 22 insertions, 8 deletions
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index 8185b1f3e5e6..dfadef84c052 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -54,7 +54,7 @@ #define SR_SRWD 0x80 /* SR write protect */ /* Define max times to check status register before we give up. */ -#define MAX_READY_WAIT_COUNT 100000 +#define MAX_READY_WAIT_COUNT 1000000 #define CMD_SIZE 4 #ifdef CONFIG_M25PXX_USE_FAST_READ @@ -246,10 +246,12 @@ static int m25p80_erase(struct mtd_info *mtd, struct erase_info *instr) mutex_lock(&flash->lock); /* whole-chip erase? */ - if (len == flash->mtd.size && erase_chip(flash)) { - instr->state = MTD_ERASE_FAILED; - mutex_unlock(&flash->lock); - return -EIO; + if (len == flash->mtd.size) { + if (erase_chip(flash)) { + instr->state = MTD_ERASE_FAILED; + mutex_unlock(&flash->lock); + return -EIO; + } /* REVISIT in some cases we could speed up erasing large regions * by using OPCODE_SE instead of OPCODE_BE_4K. We may have set up diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index fdd6ae859397..bccb4b1ffc46 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -48,11 +48,11 @@ static LIST_HEAD(mtd_notifiers); */ static void mtd_release(struct device *dev) { - struct mtd_info *mtd = dev_to_mtd(dev); + dev_t index = MTD_DEVT(dev_to_mtd(dev)->index); /* remove /dev/mtdXro node if needed */ - if (MTD_DEVT(mtd->index)) - device_destroy(mtd_class, MTD_DEVT(mtd->index) + 1); + if (index) + device_destroy(mtd_class, index + 1); } static ssize_t mtd_type_show(struct device *dev, @@ -132,6 +132,17 @@ static ssize_t mtd_writesize_show(struct device *dev, } static DEVICE_ATTR(writesize, S_IRUGO, mtd_writesize_show, NULL); +static ssize_t mtd_subpagesize_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct mtd_info *mtd = dev_to_mtd(dev); + unsigned int subpagesize = mtd->writesize >> mtd->subpage_sft; + + return snprintf(buf, PAGE_SIZE, "%u\n", subpagesize); + +} +static DEVICE_ATTR(subpagesize, S_IRUGO, mtd_subpagesize_show, NULL); + static ssize_t mtd_oobsize_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -169,6 +180,7 @@ static struct attribute *mtd_attrs[] = { &dev_attr_size.attr, &dev_attr_erasesize.attr, &dev_attr_writesize.attr, + &dev_attr_subpagesize.attr, &dev_attr_oobsize.attr, &dev_attr_numeraseregions.attr, &dev_attr_name.attr, |