From: Pratyush ANAND <[email protected]> For core 1.94A and latter, specification says to issue DEPCFG with "Config Action: Modify" for physical endpoint 0/1.
Signed-off-by: Pratyush Anand <[email protected]> --- drivers/usb/dwc3/gadget.c | 8 ++++++-- 1 files changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 0ead4cd..e582a10 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -442,8 +442,12 @@ static int dwc3_gadget_set_ep_config(struct dwc3 *dwc, struct dwc3_ep *dep, | DWC3_DEPCFG_MAX_PACKET_SIZE(usb_endpoint_maxp(desc)) | DWC3_DEPCFG_BURST_SIZE(dep->endpoint.maxburst); - if (ignore) - params.param0 |= DWC3_DEPCFG_IGN_SEQ_NUM; + if (ignore) { + if (dwc->revision < DWC3_REVISION_194A) + params.param0 |= DWC3_DEPCFG_IGN_SEQ_NUM; + else + params.param0 |= DWC3_DEPCFG_ACTION_MODIFY; + } params.param1 = DWC3_DEPCFG_XFER_COMPLETE_EN | DWC3_DEPCFG_XFER_NOT_READY_EN; -- 1.7.5.4 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
