Hi Greg,
On Sun, Feb 21, 2016 at 5:23 AM, Greg Kroah-Hartman
<gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> 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 <geert@xxxxxxxxxxxxxx>
>> Acked-by: Vegard Nossum <vegard.nossum@xxxxxxxxxx>
>> ---
>> 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?
Are you sure it's this one that didn't apply? It's already in usb-testing?
"[2/3] usb: host: Host drivers relying on DMA should depend on HAS_DMA"
doesn't apply, as your tree gained some HAS_IOMEM dependencies, so I'll
resend.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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