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Commit 048961ef authored by Kristian Høgsberg's avatar Kristian Høgsberg Committed by Stefan Richter
Browse files

firewire: Add rom_index attribute for unit sysfs directories. 



Signed-off-by: default avatarKristian Høgsberg <krh@redhat.com>
Signed-off-by: default avatarStefan Richter <stefanr@s5r6.in-berlin.de>
parent 5c5539d8

drivers/firewire/fw-device.c

+21 −0
Original line number Diff line number Diff line
@@ -230,6 +230,22 @@ static struct device_attribute config_rom_attribute = { 
	.show = show_config_rom_attribute,

};



static ssize_t

show_rom_index_attribute(struct device *dev,

			 struct device_attribute *attr, char *buf)

{

	struct fw_device *device = fw_device(dev->parent);

	struct fw_unit *unit = fw_unit(dev);



	return snprintf(buf, PAGE_SIZE, "%d\n",

			unit->directory - device->config_rom);

}



static struct device_attribute rom_index_attribute = {

	.attr = { .name = "rom_index", .mode = S_IRUGO, },

	.show = show_rom_index_attribute,

};



struct read_quadlet_callback_data {

	struct completion done;

	int rcode;
@@ -393,6 +409,11 @@ static void create_units(struct fw_device *device) 
			device_unregister(&unit->device);

			kfree(unit);

		}



		if (device_create_file(&unit->device, &rom_index_attribute) < 0) {

			device_unregister(&unit->device);

			kfree(unit);

		}

	}

}