John Youn <johnyoun@xxxxxxxxxxxx> writes: > From: Vahram Aharonyan <vahrama@xxxxxxxxxxxx> > > Add the devicetree binding to enable descriptor DMA and read it in to > the corresponding parameter during probe. > > Signed-off-by: Vahram Aharonyan <vahrama@xxxxxxxxxxxx> > Signed-off-by: John Youn <johnyoun@xxxxxxxxxxxx> > --- > Documentation/devicetree/bindings/usb/dwc2.txt | 1 + > drivers/usb/dwc2/core.h | 4 ++++ > drivers/usb/dwc2/gadget.c | 11 +++++++++++ > drivers/usb/dwc2/params.c | 4 ++++ > 4 files changed, 20 insertions(+) > > diff --git a/Documentation/devicetree/bindings/usb/dwc2.txt b/Documentation/devicetree/bindings/usb/dwc2.txt > index 389a461..1db9c37 100644 > --- a/Documentation/devicetree/bindings/usb/dwc2.txt > +++ b/Documentation/devicetree/bindings/usb/dwc2.txt > @@ -27,6 +27,7 @@ Refer to phy/phy-bindings.txt for generic phy consumer properties > Refer to usb/generic.txt > - snps,host-dma-disable: disable host DMA mode. > - snps,gadget-dma-enable: enable gadget DMA mode. > +- snps,gadget-dma-desc-enable: enable gadget DMA descriptor mode. seems to be discoverable as well: #define GHWCFG4_DESC_DMA_DYN (1 << 31) #define GHWCFG4_DESC_DMA (1 << 30) care to comment? -- balbi
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