Re: [uml-devel] [PATCH v2 1/3] usb: core: Allow compilation on platforms where NO_DMA=y

[Greg Kroah-H. <gr...@li...>]

On Tue, Feb 16, 2016 at 04:10:57PM +0100, Geert Uytterhoeven wrote:
> Some platforms don't have DMA, but we should still be able to build USB
> drivers for these platforms. They could still be used through vhci_hcd,
> usbip_host, or maybe something like USB passthrough in UML from a
> capable host.
> 
> If NO_DMA=y:
> 
>     ERROR: "dma_pool_destroy" [drivers/usb/core/usbcore.ko] undefined!
>     ERROR: "bad_dma_ops" [drivers/usb/core/usbcore.ko] undefined!
>     ERROR: "dma_pool_free" [drivers/usb/core/usbcore.ko] undefined!
>     ERROR: "dma_pool_alloc" [drivers/usb/core/usbcore.ko] undefined!
>     ERROR: "dma_pool_create" [drivers/usb/core/usbcore.ko] undefined!
> 
> Add a few checks for CONFIG_HAS_DMA to fix this.
> 
> Signed-off-by: Geert Uytterhoeven <ge...@li...>
> Acked-by: Vegard Nossum <veg...@or...>
> ---
> v2:
>   - Replace remaining #ifdefs by IS_ENABLED() checks,
>   - Add to patch description that this actually allows using USB on UML,
>   - Add Acked-by.

This patch didn't apply to my tree, can you rebase it against usb-next
of usb.git and resend?

thanks,

greg k-h