Fix dwc2 split schedule sequence issue. Not schedule a SSPLIT_IN
packet between SSPLIT-begin and SSPLIT-end.
Signed-off-by: Yunzhi Li <l...@rock-chips.com>
---
drivers/usb/dwc2/hcd.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index e79baf7..a32ed01 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -1122,6 +1122,10 @@ static void dwc2_process_periodic_channels(struct
dwc2_hsotg *hsotg)
break;
}
+ if (qh->channel->xact_pos == DWC2_HCSPLT_XACTPOS_BEGIN ||
+ qh->channel->xact_pos == DWC2_HCSPLT_XACTPOS_MID)
+ break;
+
/*
* In Slave mode, stay on the current transfer until there is
* nothing more to do or the high-bandwidth request count is
--
2.0.0
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