[PATCH 13/13] usb: ehci-mx6: Improve the bind function

[Peng Fan]

Hi Marek,

> Subject: Re: [PATCH 13/13] usb: ehci-mx6: Improve the bind function
> 
> On 9/16/20 2:57 PM, peng.fan at nxp.com wrote:
> [...]
> > +++ b/drivers/usb/host/ehci-mx6.c
> > @@ -735,13 +735,16 @@ static int ehci_usb_bind(struct udevice *dev)
> >  	 * the driver is fully converted to DT probing.
> >  	 */
> >  	u32 controller_spacing;
> > -	if (IS_ENABLED(CONFIG_MX6))
> > -		controller_spacing = 0x200;
> > -	else
> > -		controller_spacing = 0x10000;
> > -	fdt_addr_t addr = devfdt_get_addr_index(dev, 0);
> >
> > -	dev->req_seq = (addr - USB_BASE_ADDR) / controller_spacing;
> > +	if (dev->req_seq == -1) {
> > +		if (IS_ENABLED(CONFIG_MX6))
> > +			controller_spacing = 0x200;
> > +		else
> > +			controller_spacing = 0x10000;
> > +		fdt_addr_t addr = devfdt_get_addr_index(dev, 0);
> 
> Can we get rid of the whole req_seq stuff ?

Could the restructure be done after the patchset? Or you need NXP
to restructure the driver, then upstream NXP production ready
patches?

If restructure first, there will be lots conflicts when I pick downstream
patches, and error prone.

Thanks,
Peng.

> It is a workaround, see
> 501547cec1 ("usb: ehci-mx6: Fix bus enumeration for DM case")