Messages in this thread | | | From | Felipe Balbi <> | Subject | Re: [PATCH] usb: dwc3: host: inherit dma configuration from parent dev | Date | Tue, 26 Apr 2016 09:17:22 +0300 |
| |
Hi,
Grygorii Strashko <grygorii.strashko@ti.com> writes: > Now not all DMA paremters configured properly for "xhci-hcd" platform > device which is created manually. For example: dma_pfn_offset, dam_ops > and iommu configuration will not corresponds "dwc3" devices > configuration. As result, this will cause problems like wrong DMA > addresses translation on platforms with LPAE enabled like Keystone 2. > > When platform is using DT boot mode the DMA configuration will be > parsed and applied from DT, so, to fix this issue, reuse > of_dma_configure() API and retrieve DMA configuartion for "xhci-hcd" > from DWC3 device node.
patch is incomplete. You left out non-DT users which might suffer from the same problem.
-- balbi [unhandled content-type:application/pgp-signature]
| |