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| author | Takashi Iwai <tiwai@suse.de> | 2009-05-12 11:57:09 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-05-12 11:57:09 +0200 |
| commit | ddc4097b77bbb227851a44287acb2fb8a9896cc1 (patch) | |
| tree | 319d098879bed7c45543d983de8becd509701b22 /drivers/mtd/mtdcore.c | |
| parent | bec4c99e8637b5b8bd4b0513eacb51da25885e3b (diff) | |
| parent | ae31c1fbdbb18d917b0a1139497c2dbd35886989 (diff) | |
Merge branch 'topic/drvdata-fix' into topic/asoc
Diffstat (limited to 'drivers/mtd/mtdcore.c')
| -rw-r--r-- | drivers/mtd/mtdcore.c | 18 |
1 files changed, 15 insertions, 3 deletions
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, |