For isochronous endpoints with ep->mult less than 3, PCM1 value of
trb->size in set incorrectly.
For ep->mult = 2, this is set to 0/-1 and for ep->mult = 1, this is
set to -2. This is because the initial mult is set to ep->mult - 1
instead of 2.
Signed-off-by: Manu Gautam <mgau...@codeaurora.org>
---
drivers/usb/dwc3/gadget.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index f064f15..17013c1 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -920,7 +920,7 @@ static void __dwc3_prepare_one_trb(struct dwc3_ep *dep,
struct dwc3_trb *trb,
*/
if (speed == USB_SPEED_HIGH) {
struct usb_ep *ep = &dep->endpoint;
- unsigned int mult = ep->mult - 1;
+ unsigned int mult = 2;
unsigned int maxp = usb_endpoint_maxp(ep->desc);
if (length <= (2 * maxp))
--
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a Linux Foundation Collaborative Project
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