On Fri, Feb 15, 2013 at 11:12:29PM +0100, Arnd Bergmann wrote: > From: Manjunath Goudar <manjunath.goudar@xxxxxxxxxx> > > 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@xxxxxxxxxx> > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> > Cc: Jason Cooper <jason@xxxxxxxxxxxxxx> > Cc: Andrew Lunn <andrew@xxxxxxx> > --- > 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@xxxxxxx> I booted with this patch on a Kirkwood based QNAP NAS box. The USB bus enumerated as expected. Andrew -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html