Re: [PATCH 7/7] USB: UHCI: Add support for GRLIB GRUSBHC controller

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On Thu, 5 May 2011, Jan Andersson wrote:

> >> USB_UHCI_SUPPORT_NON_PCI_HC is currently needed to include the necessary
> >> stuff for the non-PCI HC so that one must be set. One additional option
> >> could be introduced to still include the accesses to the legacy support
> >> register. Another way to solve this would be to add defined(CONFIG_X86)
> >> in uhci-pci.c (change to patch 6 in V2):
> > 
> > A better approach is for uhci-pci always to call the reset functions in 
> > pci-quirks.  That's what you were planning to do originally, right?
> > 
> 
> Yes that was done in the first patch and (to state the obvious) it is
> done now in V2 unless USB_UHCI_SUPPORT_NON_PCI_HC is set. I'll add the
> && !x86 to USB_UHCI_SUPPORT_NON_PCI_HC if you think that it is the best
> option.

No, I think it's best simply to have the reset methods in uhci-pci.c
call the functions in pci-quirks.c always, rather than sometimes
calling the generic functions in uhci-hcd.c.  Then the generic
functions can be protected by "#ifdef
CONFIG_USB_UHCI_SUPPORT_NON_PCI_HC".

Alan Stern

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