USB: core: Add input prompt and help text for USB_OTG config

bd6882 commit (usb: gadget: fix Kconfig warning) removes
the duplicate USB_OTG config from gadget/Kconfig.  But
does not copy the input prompt and help text to the original
config defined in core/Kconfig. Add them now.

Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/core/Kconfig b/drivers/usb/core/Kconfig
index 9eed5b5..bcc2477 100644 (file)
--- a/drivers/usb/core/Kconfig
+++ b/drivers/usb/core/Kconfig
@@ -107,11 +107,19 @@ config USB_SUSPEND
          If you are unsure about this, say N here.
 
 config USB_OTG
-       bool
+       bool "OTG support"
        depends on USB && EXPERIMENTAL
        depends on USB_SUSPEND
        default n
-
+       help
+         The most notable feature of USB OTG is support for a
+         "Dual-Role" device, which can act as either a device
+         or a host. The initial role is decided by the type of
+         plug inserted and can be changed later when two dual
+         role devices talk to each other.
+
+         Select this only if your board has Mini-AB/Micro-AB
+         connector.
 
 config USB_OTG_WHITELIST
        bool "Rely on OTG Targeted Peripherals List"