[PATCH 2/2] USB: EHCI: make ehci-orion a separate driver

[Ezequiel Garcia]

Hi Arnd,

On Fri, Feb 15, 2013 at 11:12:29PM +0100, Arnd Bergmann wrote:
> From: Manjunath Goudar <manjunath.goudar at linaro.org>
> 
> With the multiplatform changes in arm-soc tree, it becomes
> possible to enable the mvebu platform (which uses
> ehci-orion) at the same time as other platforms that require
> a conflicting EHCI bus glue. At the moment, this results
> in a warning like
> 
> drivers/usb/host/ehci-hcd.c:1297:0: warning: "PLATFORM_DRIVER" redefined [enabled by default]
> drivers/usb/host/ehci-hcd.c:1277:0: note: this is the location of the previous definition
> drivers/usb/host/ehci-orion.c:334:31: warning: 'ehci_orion_driver' defined but not used [-Wunused-variable]
> 
> and an ehci driver that only works on one of them.
> 
> With the infrastructure added by Alan Stern in patch 3e0232039
> "USB: EHCI: prepare to make ehci-hcd a library module", we can
> avoid this problem by turning a bus glue into a separate
> module, as we do here for the orion bus glue.
> 
> Signed-off-by: Manjunath Goudar <manjunath.goudar at linaro.org>
> Signed-off-by: Arnd Bergmann <arnd at arndb.de>
> Cc: Jason Cooper <jason at lakedaemon.net>
> Cc: Andrew Lunn <andrew at lunn.ch>
> ---
>  drivers/usb/host/Kconfig      |  8 ++++
>  drivers/usb/host/Makefile     |  1 +
>  drivers/usb/host/ehci-hcd.c   |  6 +--
>  drivers/usb/host/ehci-orion.c | 90 ++++++++++++++++++++-----------------------
>  4 files changed, 52 insertions(+), 53 deletions(-)
> 
> diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
> index d77e028..7ac6f48 100644
> --- a/drivers/usb/host/Kconfig
> +++ b/drivers/usb/host/Kconfig
> @@ -162,6 +162,14 @@ config USB_EHCI_HCD_OMAP
>  	  Enables support for the on-chip EHCI controller on
>  	  OMAP3 and later chips.
>  
> +config USB_EHCI_HCD_ORION
> +        tristate  "Support for Marvell Orion on-chip EHCI USB controller"
> +        depends on USB_EHCI_HCD && PLAT_ORION
> +        default y
> +        ---help---
> +          Enables support for the on-chip EHCI controller on
> +          Morvell Orion chips.

s/Morvell/Marvell

Just this tiny nitpick.

Thanks,

-- 
Ezequiel García, Free Electrons
Embedded Linux, Kernel and Android Engineering
http://free-electrons.com