diff options
Diffstat (limited to 'drivers/usb/core')
| -rw-r--r-- | drivers/usb/core/sysfs.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index c953a0f1c695..84d66d573196 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -14,6 +14,7 @@ #include <linux/string.h> #include <linux/usb.h> #include <linux/usb/quirks.h> +#include <linux/of.h> #include "usb.h" /* Active configuration fields */ @@ -104,6 +105,17 @@ static ssize_t bConfigurationValue_store(struct device *dev, static DEVICE_ATTR_IGNORE_LOCKDEP(bConfigurationValue, S_IRUGO | S_IWUSR, bConfigurationValue_show, bConfigurationValue_store); +#ifdef CONFIG_OF +static ssize_t devspec_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct device_node *of_node = dev->of_node; + + return sprintf(buf, "%s\n", of_node_full_name(of_node)); +} +static DEVICE_ATTR_RO(devspec); +#endif + /* String fields */ #define usb_string_attr(name) \ static ssize_t name##_show(struct device *dev, \ @@ -786,6 +798,9 @@ static struct attribute *dev_attrs[] = { &dev_attr_remove.attr, &dev_attr_removable.attr, &dev_attr_ltm_capable.attr, +#ifdef CONFIG_OF + &dev_attr_devspec.attr, +#endif NULL, }; static struct attribute_group dev_attr_grp = { |