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path: root/drivers/base/soc.c
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Diffstat (limited to 'drivers/base/soc.c')
-rw-r--r--drivers/base/soc.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/base/soc.c b/drivers/base/soc.c
index 10b280f30217..b0933b9fe67f 100644
--- a/drivers/base/soc.c
+++ b/drivers/base/soc.c
@@ -33,6 +33,7 @@ static struct bus_type soc_bus_type = {
static DEVICE_ATTR(machine, S_IRUGO, soc_info_get, NULL);
static DEVICE_ATTR(family, S_IRUGO, soc_info_get, NULL);
+static DEVICE_ATTR(serial_number, S_IRUGO, soc_info_get, NULL);
static DEVICE_ATTR(soc_id, S_IRUGO, soc_info_get, NULL);
static DEVICE_ATTR(revision, S_IRUGO, soc_info_get, NULL);
@@ -57,6 +58,9 @@ static umode_t soc_attribute_mode(struct kobject *kobj,
if ((attr == &dev_attr_revision.attr)
&& (soc_dev->attr->revision != NULL))
return attr->mode;
+ if ((attr == &dev_attr_serial_number.attr)
+ && (soc_dev->attr->serial_number != NULL))
+ return attr->mode;
if ((attr == &dev_attr_soc_id.attr)
&& (soc_dev->attr->soc_id != NULL))
return attr->mode;
@@ -77,6 +81,8 @@ static ssize_t soc_info_get(struct device *dev,
return sprintf(buf, "%s\n", soc_dev->attr->family);
if (attr == &dev_attr_revision)
return sprintf(buf, "%s\n", soc_dev->attr->revision);
+ if (attr == &dev_attr_serial_number)
+ return sprintf(buf, "%s\n", soc_dev->attr->serial_number);
if (attr == &dev_attr_soc_id)
return sprintf(buf, "%s\n", soc_dev->attr->soc_id);
@@ -87,6 +93,7 @@ static ssize_t soc_info_get(struct device *dev,
static struct attribute *soc_attr[] = {
&dev_attr_machine.attr,
&dev_attr_family.attr,
+ &dev_attr_serial_number.attr,
&dev_attr_soc_id.attr,
&dev_attr_revision.attr,
NULL,