Messages in this thread | | | From | Arnd Bergmann <> | Subject | Re: [PATCH] usb: dwc3: host: inherit dma configuration from parent dev | Date | Thu, 08 Sep 2016 10:02:25 +0200 |
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On Thursday, September 8, 2016 9:15:36 AM CEST Peter Chen wrote: > > > > Right, I was specifically talking about the code in chipidea here, > > which I think is never used on the PCI bus, and how the current > > code is broken. We can probably do better than of_dma_configure() > > (see below), but it would be an improvement. > > Chipidea is also used at PCI bus too, see drivers/usb/chipidea/ci_hdrc_pci.c >
Ok, I see.
The experimental patch I posted should actually handle this just fine, as it simply assumes that dev->parent is the device used for the DMA API in chipidea, and I think this holds true for both the PCI and the DT based uses of this driver.
Arnd
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