On Mon, 28 Jan 2013, Florian Fainelli wrote:
> >> --- a/drivers/usb/host/Kconfig
> >> +++ b/drivers/usb/host/Kconfig
> >> @@ -115,14 +115,15 @@ config USB_EHCI_BIG_ENDIAN_MMIO
> >> depends on USB_EHCI_HCD && (PPC_CELLEB || PPC_PS3 || 440EPX || \
> >> ARCH_IXP4XX || XPS_USB_HCD_XILINX || \
> >> PPC_MPC512x || CPU_CAVIUM_OCTEON || \
> >> - PMC_MSP || SPARC_LEON || MIPS_SEAD3)
> >> + PMC_MSP || SPARC_LEON || MIPS_SEAD3 || \
> >> + BCM63XX)
> >> default y
> >
> > This is a complete mess.
> >
> > Can we get rid of the 'default y' and all those things after the '&&',
> > and select USB_EHCI_BIG_ENDIAN_MMIO in the board Kconfig files?
>
> Yes, pretty much like what exists for OHCI, scales much better.
>
> >
> > I am as guilty as anyone here (see || CPU_CAVIUM_OCTEON above). But
> > this doesn't seem sustainable. We should be trying to keep the
> > configuration information for all this in one spot.
> >
> > Now you have it spread across two files. One to enable it, and the
> > other to select it. But do you really need to select it if it defaults
> > to 'y'
>
> I do agree with you, but I don't want this patchset to be blocked by the
> removal of the depends on (FOO && BAR && ...), but I can send a
> preliminary patch for this and get it merged with Greg's tree first.
If you decide to do this, consider the discussion starting here:
http://marc.info/?l=linux-usb&m=135886919810940&w=2
As far as I know, there is no good reason for keeping the
USB_ARCH_HAS_EHCI symbol at all. And the glue drivers can select
USB_EHCI_HCD instead of depending on it.
Alan Stern
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