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海思平台遇到当USB做从设备插入电脑时偶尔会出现USB建立连接过慢的问题,导致电脑端出现盘符时间过长
目前定位下来发现在完成枚举过程中dwc3会上报DWC3_DEVICE_EVENT_ERRATIC_ERROR这种事件,随后才正常建立connect。
导致USB从设备在电脑上看起来挂载速度偏慢。
dwc3 10320000.bspudc3: dwc3_gadget_interrupt type = 3
dwc3 10320000.bspudc3: dwc3_gadget_interrupt type = 9
dwc3 10320000.bspudc3: dwc3_gadget_interrupt type = 9
dwc3 10320000.bspudc3: dwc3_gadget_interrupt type = 9
dwc3 10320000.bspudc3: dwc3_gadget_interrupt type = 9
dwc3 10320000.bspudc3: dwc3_gadget_interrupt type = 9
dwc3 10320000.bspudc3: dwc3_gadget_interrupt type = 9
dwc3 10320000.bspudc3: dwc3_gadget_interrupt type = 9
dwc3 10320000.bspudc3: dwc3_gadget_interrupt type = 9
dwc3 10320000.bspudc3: dwc3_gadget_interrupt type = 9
dwc3 10320000.bspudc3: dwc3_gadget_interrupt type = 9
dwc3 10320000.bspudc3: dwc3_gadget_interrupt type = 9
dwc3 10320000.bspudc3: dwc3_gadget_interrupt type = 3
dwc3 10320000.bspudc3: dwc3_gadget_interrupt type = 3
dwc3 10320000.bspudc3: dwc3_gadget_interrupt type = 3
dwc3 10320000.bspudc3: dwc3_gadget_interrupt type = 3
dwc3 10320000.bspudc3: dwc3_gadget_interrupt type = 1
dwc3 10320000.bspudc3: dwc3_gadget_interrupt type = 2
dwc3 10320000.bspudc3: dwc3_gadget_interrupt type = 3
平台是国产化的3559A替代方案,有USB专业的可以提供一些思路吗。
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