diff options
-rw-r--r-- | drivers/usb/dwc3/core.h | 1 | ||||
-rw-r--r-- | drivers/usb/dwc3/gadget.c | 44 |
2 files changed, 12 insertions, 33 deletions
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 654050684f4f..c881c8232e21 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -819,7 +819,6 @@ struct dwc3 { enum usb_dr_mode dr_mode; /* used for suspend/resume */ - u32 dcfg; u32 gctl; u32 nr_scratch; diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 54e36b70361a..ae55f500cdbd 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2943,60 +2943,40 @@ void dwc3_gadget_exit(struct dwc3 *dwc) int dwc3_gadget_suspend(struct dwc3 *dwc) { + int ret; + if (!dwc->gadget_driver) return 0; - if (dwc->pullups_connected) { - dwc3_gadget_disable_irq(dwc); - dwc3_gadget_run_stop(dwc, true, true); - } - - __dwc3_gadget_ep_disable(dwc->eps[0]); - __dwc3_gadget_ep_disable(dwc->eps[1]); + ret = dwc3_gadget_run_stop(dwc, false, false); + if (ret < 0) + return ret; - dwc->dcfg = dwc3_readl(dwc->regs, DWC3_DCFG); + dwc3_disconnect_gadget(dwc); + __dwc3_gadget_stop(dwc); return 0; } int dwc3_gadget_resume(struct dwc3 *dwc) { - struct dwc3_ep *dep; int ret; if (!dwc->gadget_driver) return 0; - /* Start with SuperSpeed Default */ - dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(512); - - dep = dwc->eps[0]; - ret = __dwc3_gadget_ep_enable(dep, &dwc3_gadget_ep0_desc, NULL, false, - false); - if (ret) + ret = __dwc3_gadget_start(dwc); + if (ret < 0) goto err0; - dep = dwc->eps[1]; - ret = __dwc3_gadget_ep_enable(dep, &dwc3_gadget_ep0_desc, NULL, false, - false); - if (ret) + ret = dwc3_gadget_run_stop(dwc, true, false); + if (ret < 0) goto err1; - /* begin to receive SETUP packets */ - dwc->ep0state = EP0_SETUP_PHASE; - dwc3_ep0_out_start(dwc); - - dwc3_writel(dwc->regs, DWC3_DCFG, dwc->dcfg); - - if (dwc->pullups_connected) { - dwc3_gadget_enable_irq(dwc); - dwc3_gadget_run_stop(dwc, true, false); - } - return 0; err1: - __dwc3_gadget_ep_disable(dwc->eps[0]); + __dwc3_gadget_stop(dwc); err0: return ret; |