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| author | Huang Shijie <b32955@freescale.com> | 2013-08-16 10:10:05 +0800 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2013-08-30 21:37:56 +0100 |
| commit | bf977e3f158dc949fd6e1e4195f80d42232cb5fa (patch) | |
| tree | fa78cc26e553138eabf84015cc4f8a65925226c3 /drivers/mtd/mtdcore.c | |
| parent | c41a0582d59e3bc41978ac4a23e457d86ac7365f (diff) | |
| download | linux-bf977e3f158dc949fd6e1e4195f80d42232cb5fa.tar.bz2 | |
mtd: add a new sys node to show the ecc step size
Add a new sys node to show the ecc step size.
The application then can uses this node to get the ecc step
size.
Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd/mtdcore.c')
| -rw-r--r-- | drivers/mtd/mtdcore.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index 048c823f5c51..5e14d540ba2f 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -285,6 +285,16 @@ static DEVICE_ATTR(bitflip_threshold, S_IRUGO | S_IWUSR, mtd_bitflip_threshold_show, mtd_bitflip_threshold_store); +static ssize_t mtd_ecc_step_size_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct mtd_info *mtd = dev_get_drvdata(dev); + + return snprintf(buf, PAGE_SIZE, "%u\n", mtd->ecc_step_size); + +} +static DEVICE_ATTR(ecc_step_size, S_IRUGO, mtd_ecc_step_size_show, NULL); + static struct attribute *mtd_attrs[] = { &dev_attr_type.attr, &dev_attr_flags.attr, @@ -296,6 +306,7 @@ static struct attribute *mtd_attrs[] = { &dev_attr_numeraseregions.attr, &dev_attr_name.attr, &dev_attr_ecc_strength.attr, + &dev_attr_ecc_step_size.attr, &dev_attr_bitflip_threshold.attr, NULL, }; |