The usb core is the only major place in the kernel that checks for
a non-NULL device dma_mask to see if a device is DMA capable. This
is generally a bad idea, as all major busses always set up a DMA mask,
even if the device is not DMA capable - in fact bus layers like PCI
can't even know if a devi
> 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 hardw
The usb core is the only major place in the kernel that checks for
a non-NULL device dma_mask to see if a device is DMA capable. This
is generally a bad idea, as all major busses always set up a DMA mask,
even if the device is not DMA capable - in fact bus layers like PCI
can't even know if a devi
