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

[andrew@lunn.ch (Andrew Lunn)]

On Fri, Feb 15, 2013 at 11:12:29PM +0100, Arnd Bergmann wrote:
> From: Manjunath Goudar <manjunath.goudar@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@linaro.org>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> Cc: Jason Cooper <jason@lakedaemon.net>
> Cc: Andrew Lunn <andrew@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(-)

Tested-by: Andrew Lunn <andrew@lunn.ch>

I booted with this patch on a Kirkwood based QNAP NAS box. The USB bus
enumerated as expected.

	   Andrew