dwc_otg: Declare DMA capability with HCD_DMA flag

Following [1], USB controllers have to declare DMA capabilities in
order for them to be used by adding the HCD_DMA flag to their hc_driver
struct.

[1] 7b81cb6bddd2 ("usb: add a HCD_DMA flag instead of guestimating DMA capabilities")

Signed-off-by: Phil Elwell <phil@raspberrypi.org>

diff --git a/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c b/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c
index 9a150d6..70cce7a 100644 (file)
--- a/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c
+++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c
@@ -138,7 +138,7 @@ static struct hc_driver dwc_otg_hc_driver = {
 
        .irq = dwc_otg_hcd_irq,
 
-       .flags = HCD_MEMORY | HCD_USB2,
+       .flags = HCD_MEMORY | HCD_DMA | HCD_USB2,
 
        //.reset =
        .start = hcd_start,