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authorMike Dunn <mikedunn@newsguy.com>2012-04-25 21:06:07 +0200
committerDavid Woodhouse <David.Woodhouse@intel.com>2012-05-14 06:10:45 +0200
commita9b672e82bca47bf2b37ee869b8095000cf3ca88 (patch)
tree919600389b72762f4d14f62336fe94be6b7793ea /drivers/mtd
parentmtd: nand: fix incorrect ecc strength values (diff)
downloadlinux-a9b672e82bca47bf2b37ee869b8095000cf3ca88.tar.xz
linux-a9b672e82bca47bf2b37ee869b8095000cf3ca88.zip
mtd: expose ecc_strength through sysfs
ecc_strength element of struct mtd_info is exposed as a read-only variable in sysfs. Signed-off-by: Mike Dunn <mikedunn@newsguy.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/mtdcore.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index c837507dfb1c..090e849d3dcd 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -250,6 +250,15 @@ static ssize_t mtd_name_show(struct device *dev,
}
static DEVICE_ATTR(name, S_IRUGO, mtd_name_show, NULL);
+static ssize_t mtd_ecc_strength_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_strength);
+}
+static DEVICE_ATTR(ecc_strength, S_IRUGO, mtd_ecc_strength_show, NULL);
+
static struct attribute *mtd_attrs[] = {
&dev_attr_type.attr,
&dev_attr_flags.attr,
@@ -260,6 +269,7 @@ static struct attribute *mtd_attrs[] = {
&dev_attr_oobsize.attr,
&dev_attr_numeraseregions.attr,
&dev_attr_name.attr,
+ &dev_attr_ecc_strength.attr,
NULL,
};