Re: [PATCH 1/3] usb: host: f_usb20ho: add support for Fujitsu ehci/ohci USB 2.0 host controller

Arnd Bergmann
2014-12-17T15:44:49Z

On Wednesday 17 December 2014 23:33:02 Sneeker. Yeh wrote:
> >
> >No need for playing games with child devices, just see how the other drivers do
> >it.
>
> I am wondering if this is what you mentioned here? :
> Hcd21: f_usb20ho {
> compatible = "fujitsu,f_usb20ho";
> ...
> Ehci {
> compatible = "generic-ehci";
> reg = <>;
> }
> ohci {
> compatible = "generic-ohci";
> reg = <>;
> }
> }
> By doing that, I can just use of_platform_populate() to create platform device more gracefully,
> than using platform_device_xxx() those have been done in of_platform_populate().
> And also, managing register offset is totally done via dts description, not in the code.

What I mean is leaving out the fujitsu,f_usb20ho node entirely, just put the
two USB controllers on the bus directly and remove this driver.

Arnd