usb: Kconfig: clarify use of USB_PCI

Make the intended use of this option easier to grasp.

Signed-off-by: Chris Mayo <aklhfex@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chris Mayo 2017-10-17 17:54:52 +01:00 committed by Greg Kroah-Hartman
parent 69a0c69aab
commit 2bb80de74d
1 changed files with 5 additions and 4 deletions

View File

@ -77,11 +77,12 @@ config USB_PCI
depends on PCI
default y
---help---
A lot of embeded system SOC (e.g. freescale T2080) have both
PCI and USB modules. But USB module is controlled by registers
directly, it have no relationship with PCI module.
Many embedded system SOCs (e.g. freescale T2080) have both
PCI and USB modules with the USB module directly controlled by
registers and having no relationship to the PCI module.
When say N here it will not build PCI related code in USB driver.
If you have such a device you may say N here and PCI related code
will not be built in the USB driver.
if USB