On Mon, Jan 26, 2015 at 01:23:47PM -0500, Alan Stern wrote: > On Mon, 26 Jan 2015, Andy Shevchenko wrote: > > > On Mon, 2015-01-26 at 09:21 -0800, Greg KH wrote: > > > On Mon, Jan 26, 2015 at 07:10:42PM +0200, Andy Shevchenko wrote: > > > > On some Intel MID platforms the ChipIdea USB controller is used. The EHCI PCI > > > > is in conflict with the proper driver. The patch makes a quick fix to get Intel > > > > Medfield platforms work back. > > > > > > > > One would make a proper patch to address the issue. > > > > > > Who is "one"? You? Someone else? > > > > Not me. > > > > > > > > > Fixes: adfa79d1c06a (USB: EHCI: make ehci-pci a separate driver) > > > > Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> > > > > --- > > > > drivers/usb/host/Kconfig | 2 +- > > > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > > > > > diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig > > > > index fafc628..32d735a 100644 > > > > --- a/drivers/usb/host/Kconfig > > > > +++ b/drivers/usb/host/Kconfig > > > > @@ -112,7 +112,7 @@ if USB_EHCI_HCD > > > > > > > > config USB_EHCI_PCI > > > > tristate > > > > - depends on PCI > > > > + depends on PCI && !X86_INTEL_MID > > > > > > You just broke making a universal kernel build for your platform > > > possible, making distro developers very upset with you. > > > > I agree, though current kernel build doesn't work on the Intel MID > > anyway (I mean USB support). The mentioned commit broke it and seems > > no-one cared until now. > > > > > Please fix this properly. > > > > I don't know the right way to fix this. Alan, has you any suggestion? > > It depends. How did the code before the adfa79d1c06a commit avoid this > problem? By simply not enabling CONFIG_USB_EHCI_HCD? > Hi Andy, Would you define pci_id at ci_hdrc_pci.c (instead of ehci-pci.c) at your platform code/table to fix this problem? I am not familiar with pci, but it works at other platforms, like ARM. -- Best Regards, Peter Chen -- 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