Re: [PATCH 4/7] ECHI Platform: Merge ppc-of EHCI driver into the ehci-platform driver

Alan Stern
2014-02-21T15:41:50Z

On Fri, 21 Feb 2014, Alistair Popple wrote:

> Currently the ppc-of driver uses the compatibility string
> "usb-ehci". This means platforms that use device-tree and implement an
> EHCI compatible interface have to either use the ppc-of driver or add
> a compatible line to the ehci-platform driver. It would be more
> appropriate for the platform driver to be compatible with "usb-ehci"
> as non-powerpc platforms are also beginning to utilise device-tree.
>
> This patch merges the device tree property parsing from ehci-ppc-of
> into the platform driver and adds a "usb-ehci" compatibility
> string. The existing ehci-ppc-of driver is removed and the 440EPX
> specific quirks are added to the ehci-platform driver.
>
> Signed-off-by: Alistair Popple <alistair-Y4h6yKqj69EXC2x5gXVKYQ@public.gmane.org>

This patch is also out of date. The compatibility string used by the
ehci-platform driver is "generic-ehci".

There remains the question of whether to merge ehci-ppc-of into
ehci-platform. This would be a rather invasive change, but I suppose
we could do it. With adjustments along the lines suggested by Mark
Rutland.

Alan Stern

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