RE: [PATCH] usb: ohci: remove ep93xx bus glue platform driver

From: Alan Stern
Date: Wed Oct 16 2013 - 10:36:49 EST


On Tue, 15 Oct 2013, Hartley Sweeten wrote:

> > This is definitely not a show-stopper in any way, but since this is
> > just standard clock management, could you even move these clock ops
> > into the driver? Are any other platforms already doing similar things
> > so you could remove code from their platform that way as well, per
> > chance?
>
> It does not appear any of the other users of the ohci-platform driver do
> anything similar.
>
> The clock ops could be moved into the driver but I will need to add a
> flag or something to the usb_ohci_pdata so that the platform can
> indicated that a clock is required and the clock ops should be done.

Adding a new entry to usb_ohci_pdata would be acceptable.

However, I'm doubtful about how generic such a change would be. Some
of the platform drivers don't use any clocks, and others use more than
one. For now, it seems best to keep such dependencies in the
platform-specific code.

Alan Stern

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/