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authorGreg Kroah-Hartman2013-06-25 00:20:26 +0200
committerGreg Kroah-Hartman2013-06-25 00:20:26 +0200
commitf797d37ead9afc9b5586f02789819a8fb72a55fc (patch)
tree8278cc2cdb32d5aabfab919e79afe56774618b8d /drivers/usb/phy
parentusb: check usb_hub_to_struct_hub() return value (diff)
parentLinux 3.10-rc7 (diff)
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Merge 3.10-rc7 into usb-next
We want the USB fixes and other good stuff in this branch as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/phy')
-rw-r--r--drivers/usb/phy/Kconfig14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig
index 37e747a9e27d..a5a9552c25a1 100644
--- a/drivers/usb/phy/Kconfig
+++ b/drivers/usb/phy/Kconfig
@@ -4,11 +4,17 @@
menuconfig USB_PHY
bool "USB Physical Layer drivers"
help
- USB controllers (those which are host, device or DRD) need a
- device to handle the physical layer signalling, commonly called
- a PHY.
+ Most USB controllers have the physical layer signalling part
+ (commonly called a PHY) built in. However, dual-role devices
+ (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