If ep->dma is set, abort_dma() takes care of dma clean-up. If ep->dma
is not set, unconditionally reset dma channel.
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@xxxxxxxxx>
---
drivers/usb/gadget/udc/net2280.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c
index a91da36..891ab2f 100644
--- a/drivers/usb/gadget/udc/net2280.c
+++ b/drivers/usb/gadget/udc/net2280.c
@@ -1979,9 +1979,15 @@ static void usb_reset_338x(struct net2280 *dev)
/* clear old dma and irq state */
for (tmp = 0; tmp < 4; tmp++) {
struct net2280_ep *ep = &dev->ep[tmp + 1];
+ struct net2280_dma_regs *dma;
- if (ep->dma)
+ if (ep->dma) {
abort_dma(ep);
+ } else {
+ dma = &dev->dma[tmp];
+ writel(BIT(DMA_ABORT), &dma->dmastat);
+ writel(0, &dma->dmactl);
+ }
}
writel(~0, &dev->regs->irqstat0), writel(~0, &dev->regs->irqstat1);
--
2.3.3
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