Commit "drivers/dwc3: add a workaround for too small OUT requests" sets max packet for OUT requests when transfer is smaller.
Until this change the default maxpacket for non EP0 EPs was 1024. This is too much, since UMS LBA size is 512B
Signed-off-by: Lukasz Majewski l.majewski@samsung.com --- 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 810e224..97f23e5 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1603,7 +1603,7 @@ static int dwc3_gadget_init_hw_endpoints(struct dwc3 *dwc, } else { int ret;
- usb_ep_set_maxpacket_limit(&dep->endpoint, 1024); + usb_ep_set_maxpacket_limit(&dep->endpoint, 512); dep->endpoint.max_streams = 15; dep->endpoint.ops = &dwc3_gadget_ep_ops; list_add_tail(&dep->endpoint.ep_list,