RK3288 nonzero urb status received: -71

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RK3288使用了两个触摸屏后出现了下面的报错现象。

<3>[ 1322.685854] usb 3-1.2.1: hanwang_irq - nonzero urb status received: -71
#define EPROTO 71 /* urb 发生错误: 在传送中发生bitstuff 错误或硬件没有及时收到响应帧

电容屏的使用上出现漏点现象，就是当我手放开点依旧没有被释放。

原厂提供了解决办法：

From 0a9aa5f727820a666b5d821db4520ab2b33c46b2 Mon Sep 17 00:00:00 2001From: Feng Mingli <fml@rock-chips.com>Date: Mon, 10 Aug 2015 19:45:02 +0800Subject: [PATCH 1/3] USB: dwc_otg_310: hcd: modify split out of order bugSigned-off-by: Feng Mingli <fml@rock-chips.com>---drivers/usb/dwc_otg_310/common_port/dwc_list.h | 12 ++++++++++++drivers/usb/dwc_otg_310/dwc_otg_hcd_intr.c     |  3 ++-2 files changed, 14 insertions(+), 1 deletion(-)diff --git a/drivers/usb/dwc_otg_310/common_port/dwc_list.h b/drivers/usb/dwc_otg_310/common_port/dwc_list.hindex 46f1da3..e20124b 100755--- a/drivers/usb/dwc_otg_310/common_port/dwc_list.h+++ b/drivers/usb/dwc_otg_310/common_port/dwc_list.h@@ -565,6 +565,18 @@ struct {                                        \     (head)->cqh_last = (elm);                         \} while (0)+#define DWC_CIRCLEQ_INSERT_COM(head, listelm, elm, field, com) do {     \+          DWC_CIRCLEQ_FOREACH(listelm, head, field) {          \+               if ((elm)->com < (listelm)->com) {          \+                    DWC_CIRCLEQ_INSERT_BEFORE(head, listelm, elm, field); \+                    break;                         \+               } else                              \+                    continue;                    \+          }                                   \+          if (DWC_CIRCLEQ_PREV(listelm, field) != elm)          \+               DWC_CIRCLEQ_INSERT_TAIL(head, elm, field);     \+} while (0)+#define DWC_CIRCLEQ_REMOVE(head, elm, field) do {               \     if ((elm)->field.cqe_next == DWC_CIRCLEQ_END(head))          \          (head)->cqh_last = (elm)->field.cqe_prev;          \diff --git a/drivers/usb/dwc_otg_310/dwc_otg_hcd_intr.c b/drivers/usb/dwc_otg_310/dwc_otg_hcd_intr.cindex 09197ce..07f27f3 100755--- a/drivers/usb/dwc_otg_310/dwc_otg_hcd_intr.c+++ b/drivers/usb/dwc_otg_310/dwc_otg_hcd_intr.c@@ -834,6 +834,7 @@ static void release_channel(dwc_otg_hcd_t *hcd,     dwc_otg_transaction_type_e tr_type;     int free_qtd;     int continue_trans = 1;+     dwc_hc_t *hc_tmp = NULL;     DWC_DEBUGPL(DBG_HCDV, "  %s: channel %d, halt_status %d\n",              __func__, hc->hc_num, halt_status);@@ -914,7 +915,7 @@ cleanup:     * there's no need to clear the Channel Halted interrupt separately.     */     dwc_otg_hc_cleanup(hcd->core_if, hc);-     DWC_CIRCLEQ_INSERT_TAIL(&hcd->free_hc_list, hc, hc_list_entry);+     DWC_CIRCLEQ_INSERT_COM(&hcd->free_hc_list, hc_tmp, hc, hc_list_entry, hc_num);     switch (hc->ep_type) {     case DWC_OTG_EP_TYPE_CONTROL:--2.0.5

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