Commit 291f3b9e authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
Browse files

greybus: serial number attribute added

parent b94295e0

drivers/staging/greybus/core.c

+32 −1
Original line number Diff line number Diff line
@@ -169,7 +169,6 @@ static void greybus_module_release(struct device *dev) 
}







static struct device_type greybus_module_type = {

	.name =		"greybus_module",

	.release =	greybus_module_release,
@@ -222,8 +221,40 @@ static struct attribute_group function_addr_grp = { 
	.is_visible =	function_attrs_are_visible,

};



#if 0

struct greybus_descriptor_module_id {

	__le16	vendor;

	__le16	product;

	__le16	version;

	__u8	vendor_stringid;

	__u8	product_stringid;

};

#endif



/* Serial Number */

static ssize_t serial_number_show(struct device *dev,

				  struct device_attribute *attr, char *buf)

{

	struct greybus_device *gdev = to_greybus_device(dev);

	return sprintf(buf, "%llX\n",

		      (unsigned long long)gdev->serial_number.serial_number);

}

static DEVICE_ATTR_RO(serial_number);



static struct attribute *serial_number_attrs[] = {

	&dev_attr_serial_number.attr,

	NULL,

};



static struct attribute_group serial_number_grp = {

	.attrs =	serial_number_attrs,

	.is_visible =	function_attrs_are_visible,

};





static const struct attribute_group *greybus_module_groups[] = {

	&function_addr_grp,

	&serial_number_grp,

	NULL,

};