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 <b32...@freescale.com>
---
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 e513fc4..2ed2827 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -287,6 +287,16 @@ static DEVICE_ATTR(bitflip_threshold, S_IRUGO | S_IWUSR,
mtd_bitflip_threshold_show,
mtd_bitflip_threshold_store);
+static ssize_t mtd_ecc_size_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct mtd_info *mtd = dev_get_drvdata(dev);
+
+ return snprintf(buf, PAGE_SIZE, "%lu\n", (unsigned long)mtd->ecc_size);
+
+}
+static DEVICE_ATTR(ecc_size, S_IRUGO, mtd_ecc_size_show, NULL);
+
static struct attribute *mtd_attrs[] = {
&dev_attr_type.attr,
&dev_attr_flags.attr,
@@ -298,6 +308,7 @@ static struct attribute *mtd_attrs[] = {
&dev_attr_numeraseregions.attr,
&dev_attr_name.attr,
&dev_attr_ecc_strength.attr,
+ &dev_attr_ecc_size.attr,
&dev_attr_bitflip_threshold.attr,
NULL,
};
--
1.7.1
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
