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Commit 035978be authored by George Spelvin's avatar George Spelvin Committed by Greg Kroah-Hartman
Browse files

usb: phy: Improve Kconfig help for CONFIG_USB_PHY



The previous text confused users by not describing the very common
(e.g. x86 PC) sitations where no PHY driver is necessary.

Signed-off-by: default avatarGeorge Spelvin <linux@horizon.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 7d132055
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+10 −4
Original line number Original line Diff line number Diff line
@@ -4,11 +4,17 @@
menuconfig USB_PHY
menuconfig USB_PHY
	bool "USB Physical Layer drivers"
	bool "USB Physical Layer drivers"
	help
	help
	  USB controllers (those which are host, device or DRD) need a
	  Most USB controllers have the physical layer signalling part
	  device to handle the physical layer signalling, commonly called
	  (commonly called a PHY) built in.  However, dual-role devices
	  a PHY.
	  (a.k.a. USB on-the-go) which support being USB master or slave
	  with the same connector often use an external PHY.


	  The following drivers add support for such PHY devices.
	  The drivers in this submenu add support for such PHY devices.
	  They are not needed for standard master-only (or the vast
	  majority of slave-only) USB interfaces.

	  If you're not sure if this applies to you, it probably doesn't;
	  say N here.


if USB_PHY
if USB_PHY