[PATCH 3/6] usb: add a HCD_DMA flag instead of guestimating DMA capabilities

[Christoph Hellwig]

> diff --git a/drivers/usb/host/ehci-ppc-of.c b/drivers/usb/host/ehci-ppc-of.c
> index 576f7d79ad4e..9d17e0695e35 100644
> --- a/drivers/usb/host/ehci-ppc-of.c
> +++ b/drivers/usb/host/ehci-ppc-of.c
> @@ -31,7 +31,7 @@ static const struct hc_driver ehci_ppc_of_hc_driver = {
>  	 * generic hardware linkage
>  	 */
>  	.irq			= ehci_irq,
> -	.flags			= HCD_MEMORY | HCD_USB2 | HCD_BH,
> +	.flags			= HCD_MEMORY | HC_DMA | HCD_USB2 | HCD_BH,

FYI, the kbuild bot found a little typo here, so even for the unlikely
case that the series is otherwise perfect I'll have to resend it at
least once.