[U-Boot] [PATCH v3] usb: add support for generic EHCI devices

[Alexey Brodkin <Alexey.Brodkin@synopsys.com>]

Hi Marek,

On Mon, 2015-11-30 at 19:21 +0100, Marek Vasut wrote:
> On Monday, November 30, 2015 at 07:13:30 PM, Alexey Brodkin wrote:
> > Hi Marek,

> > Please check drivers/usb/host/Kconfig.
> 
> The order there seems correct. But how is it possible that your driver
> triggered the build error on the ph1_sld8,ph1_sld3,ph1_ld4 boards ? I
> suspect because it was enabled by default, but didn't "select" the
> EHCI_HCD ?

Nope EHCI_HCD gets selected, but... ehci-generic uses CONFIG_DM_USB :)
And ehci_degister()/ehci_deregister() are only defined in EHCI_HCD
is CONFIG_DM_USB used.

So I need to add dependency on CONFIG_DM_USB for ehci_generic.

Looking for other examples of dependencies on CONFIG_DM_USB I was
surprised to see ehci-exynos, ehci-marvell, ehci-pci, ehci-sunxi and
ehci-tegra all are not yet added in Kconfig.

I.e. all those drivers are selected in headers (in include/configs/xxx.h).

> > > [...]
> > > 
> > > > +static const struct udevice_id ehci_usb_ids[] = {
> > > > +	{ .compatible = "generic-ehci" },
> > > > +	{ }
> > > > +};
> > > > +
> > > > +U_BOOT_DRIVER(usb_ehci) = {
> > > 
> > > The driver name should be ehci_generic, not usb_ehci, otherwise this will
> > > collide with other drivers who do the same mistake.
> > 
> > Ok but then some other drivers should be fixed as well, right?
> 
> Yes.

Ok, I'll fix it for ehci generic as well.

And v4 is about to float on mailing list :)

-Alexey