On Sun, Feb 21, 2016 at 10:46:59PM +0100, Geert Uytterhoeven wrote: > 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. Thanks, I think you were right. greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html