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usb: dwc2: gadget: Add descriptor DMA parameter

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Add a parameter for descriptor DMA and set it based on hardware
capabilities. This won't actually be used by the gadget until later,
when the descriptor DMA code is in place.

Signed-off-by: Vahram Aharonyan <vahrama@synopsys.com>
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Vahram Aharonyan
2016-11-09 19:27:48 -08:00
committed by Felipe Balbi
parent aa4049f3a5
commit dec4b55677
3 changed files with 19 additions and 0 deletions
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6
drivers/usb/dwc2/params.c
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@@ -1097,6 +1097,12 @@ static void dwc2_set_gadget_dma(struct dwc2_hsotg *hsotg)
false, "gadget-dma",
true, false,
dma_capable);
/* DMA Descriptor */
dwc2_set_param_bool(hsotg, &p->g_dma_desc, false,
"gadget-dma-desc",
p->g_dma, false,
!!hw->dma_desc_enable);
}
/**