From: Pratyush ANAND <pratyush.anand@xxxxxx>
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 <pratyush.anand@xxxxxx>
---
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
--
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