usb: gadget: Document USBNET_DEVADDR

Add an help about the USBNET_DEVADDR Kconfig option to make it clearer what
it's about.

Acked-by: Łukasz Majewski <lukma@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index d526269088465acdc471f2f3cd4f8fc537758445..6dc9d177f5ad37f27bf4c546c2d7f9b97bfc6d74 100644 (file)
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -124,5 +124,8 @@ endif # USB_GADGET_DOWNLOAD
 config USBNET_DEVADDR
        string "USB Gadget Ethernet device mac address"
        default "de:ad:be:ef:00:01"
+       help
+         Ethernet MAC address of the device-side (ie. local board's) MAC
+         address of the usb_ether interface
 
 endif # USB_GADGET