On Fri, Feb 15, 2013 at 11:12:29PM +0100, Arnd Bergmann wrote:
> From: Manjunath Goudar <manjunath.gou...@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.gou...@linaro.org>
> Signed-off-by: Arnd Bergmann <a...@arndb.de>
> Cc: Jason Cooper <ja...@lakedaemon.net>
> Cc: Andrew Lunn <and...@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 <and...@lunn.ch>
I booted with this patch on a Kirkwood based QNAP NAS box. The USB bus
enumerated as expected.
Andrew
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