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Groups > linux.kernel > #1413153
| From | Baolin Wang <baolin.wang@linaro.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH] usb: dwc3: host: Set the dma_ops for xhci device |
| Date | 2016-06-03 14:00 +0200 |
| Message-ID | <rFVVD-2EE-11@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
It will be failed when xhci device set the dma mask, if the xhci device dma_ops is dummy. Thus set the xhci device dma_ops from the parent device. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> --- drivers/usb/dwc3/host.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c index c679f63..7ce55c9 100644 --- a/drivers/usb/dwc3/host.c +++ b/drivers/usb/dwc3/host.c @@ -32,6 +32,9 @@ int dwc3_host_init(struct dwc3 *dwc) return -ENOMEM; } + if (get_dma_ops(&xhci->dev) == get_dma_ops(NULL)) + xhci->dev.archdata.dma_ops = get_dma_ops(dwc->dev); + dma_set_coherent_mask(&xhci->dev, dwc->dev->coherent_dma_mask); xhci->dev.parent = dwc->dev; -- 1.7.9.5
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[PATCH] usb: dwc3: host: Set the dma_ops for xhci device Baolin Wang <baolin.wang@linaro.org> - 2016-06-03 14:00 +0200 Re: [PATCH] usb: dwc3: host: Set the dma_ops for xhci device kbuild test robot <lkp@intel.com> - 2016-06-03 14:50 +0200
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