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kernel->when the usb port has a lot of load,the system will be stuck when connect usb touch screen

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This commit is contained in:
sujl
2018-06-21 11:09:05 +08:00
parent 198d80a277
commit 557344827c
2 changed files with 14 additions and 1 deletions
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12
kernel/drivers/usb/dwc_otg_310/common_port/dwc_list.h
View File

@ -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; \

3
kernel/drivers/usb/dwc_otg_310/dwc_otg_hcd_intr.c
View File

@ -833,6 +833,7 @@ 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);
@ -893,7 +894,7 @@ 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: