diff options
| author | Lothar Waßmann <LW@KARO-electronics.de> | 2013-08-14 12:43:58 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-08-14 12:34:16 -0700 |
| commit | a0cfdc6bc73bc47b63b05b850cf66cf67f2487bf (patch) | |
| tree | f40902df4bda6a94e3ca2df22e62069bafb9a740 /drivers/usb/chipidea/Kconfig | |
| parent | 9d84d551169ae24830f7f47a04f57736805dae92 (diff) | |
| download | talos-obmc-linux-a0cfdc6bc73bc47b63b05b850cf66cf67f2487bf.tar.gz talos-obmc-linux-a0cfdc6bc73bc47b63b05b850cf66cf67f2487bf.zip | |
usb: chipidea: improve kconfig 2.0
This patch provides a cleaner solution to the problem described in
commit 20a677fd ("usb: chipidea: improve kconfig").
The goal to be achieved is to force USB_CHIPIDEA=m if either
USB_EHCI_HCD=m or USB_GADGET=m.
If both are 'y' USB_CHIPIDEA may be selected to be 'm' or 'y'.
The old patch had the drawback, that USB_CHIPIDEA could be chosen as
'y' though USB_EHCI_HCD or USB_GADGET (or both) were 'm' leading to a
situation where USB_CHIPIDEA_HOST or USB_CHIPIDEA_UDC vanished from
the config options producing a compilable but dysfunctional driver.
Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Reviewed-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/chipidea/Kconfig')
| -rw-r--r-- | drivers/usb/chipidea/Kconfig | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/usb/chipidea/Kconfig b/drivers/usb/chipidea/Kconfig index d1bd8ef1f9c1..4a851e15e58c 100644 --- a/drivers/usb/chipidea/Kconfig +++ b/drivers/usb/chipidea/Kconfig @@ -1,6 +1,6 @@ config USB_CHIPIDEA tristate "ChipIdea Highspeed Dual Role Controller" - depends on USB || USB_GADGET + depends on (USB_EHCI_HCD && USB_GADGET) || (USB_EHCI_HCD && !USB_GADGET) || (!USB_EHCI_HCD && USB_GADGET) help Say Y here if your system has a dual role high speed USB controller based on ChipIdea silicon IP. Currently, only the @@ -12,15 +12,14 @@ if USB_CHIPIDEA config USB_CHIPIDEA_UDC bool "ChipIdea device controller" - depends on USB_GADGET=y || (USB_CHIPIDEA=m && USB_GADGET=m) + depends on USB_GADGET help Say Y here to enable device controller functionality of the ChipIdea driver. config USB_CHIPIDEA_HOST bool "ChipIdea host controller" - depends on USB=y - depends on USB_EHCI_HCD=y || (USB_CHIPIDEA=m && USB_EHCI_HCD=m) + depends on USB_EHCI_HCD select USB_EHCI_ROOT_HUB_TT help Say Y here to enable host controller functionality of the |
