diff --git a/[refs] b/[refs]
index 11ba14617cbe..54c35cd8782e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2fdb11449ca82f4f1907fce4929df4e0bd267c50
+refs/heads/master: e7693548950ea5801d5d8b00414aed37033cf972
diff --git a/trunk/drivers/mtd/mtdcore.c b/trunk/drivers/mtd/mtdcore.c
index 051b4d4ed21f..bccb4b1ffc46 100644
--- a/trunk/drivers/mtd/mtdcore.c
+++ b/trunk/drivers/mtd/mtdcore.c
@@ -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,