On Sat, 2012-10-20 at 10:31 -0400, Alan Stern wrote: > On Sat, 20 Oct 2012, Florian Fainelli wrote: > > > Hi Tony, > > > > On Saturday 20 October 2012 16:17:32 Tony Prisk wrote: > > > This patch adds devicetree support to the EHCI-platform driver, > > > and removes the now unneeded ehci-vt8500.c > > > > > > Existing platform properties are maintained, with the exception > > > the power_(on/off) and suspend function pointers. > > > > Ok, so I have recently sent a bit patchset to remove most OHCI/EHCI drivers > > that could be converted to the generic variants, series starts here: > > 1349701906-16481-1-git-send-email-florian@xxxxxxxxxxx > > > > in this patchset I added a new property to the EHCI platform data: > > need_io_watchdog, which needs to be handled too from DT ideally. > > Actually the new property is "no_io_watchdog". See > > http://marc.info/?l=linux-usb&m=134970247511140&w=2 > > > Adding device tree bindings is on my TODO after having a generic way > > to pass clocks to the ehci/ohci platform drivers, so you are right on time :) > > At some point we'll need a way to handle the power_{on,off,suspend} > callbacks. I don't know how that should be done. > > Alan Stern I actually included a comment in the patch regarding the missing functions: > + * No platform data is being passed, so initalize > pdata. > + * Limitation: we can't support power_on, power_off or > + * power_suspend function pointers from DT. > + * TODO: The missing functions could be replaced with > + * power sequence handlers. > + */ I don't know anything about the power sequence code, but have seen some patches for pwm backlight using it. I don't know if it would allow everything that's needed, but it seems to have support for voltage regulators and gpios (among other things). Regards Tony P -- 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
