Dwc3_stop_active_transfer

Author: llon

August undefined, 2024

Webusb: dwc3: remove WARN_ON from dwc_stop_active_transfer Now we are sure that, if res_trans_idx is zero, then endpoint has been stopped. So it's safe to just return if … WebWhenever req_queue isn't empty, we call dwc3_stop_active_transfer () which will clear DWC3_EP_BUSY flag. Yes, if we clear DWC3_EP_BUSY in dwc3_stop_active_transfer then its fine. But we do not do that. Probably , error was introduced when "End Transfer" completion interrupt handling was removed. --

Is it possible to turn off power completely using DWC?

WebLet the dwc3_stop_active_transfer() do > that checking. > Hi Thinh, Thanks for the detailed review, as always. Got it, we can allow that to catch it based off the … WebThe Synopsys DesignWare Core SuperSpeed USB 3.0 Controller (hereinafter referred to as DWC3) is a USB SuperSpeed compliant controller which can be configured in one of 4 ways: Peripheral-only configuration Host-only configuration Dual-Role configuration Hub configuration Linux currently supports several versions of this controller. song you are my pearl

[PATCH v7 0/5] Fix controller halt and endxfer timeout issues

Webdwc3_stop_active_transfer(dwc, dep->number, true); dep->flags = DWC3_EP_ENABLED; } else { u32 cur_uf; cur_uf = __dwc3_gadget_get_frame(dwc); __dwc3_gadget_start_isoc(dwc, dep, cur_uf); dep->flags &= ~DWC3_EP_PENDING_REQUEST; } return 0; } if ( (dep->flags & DWC3_EP_BUSY) && … WebMessage ID: [email protected] (mailing list archive)State: Superseded: Headers: show WebDWC3_DCTL, DWC3_DCFG, DWC3_DEVTEN * save_regs - Saves registers on hibernation * @dwc: pointer to our controller context structure * Returns 0 on success otherwise negative errno. staticintsave_regs(structdwc3 *dwc) inti; if(!dwc->saved_regs) { dwc->saved_regs= devm_kmalloc(dwc->dev, sizeof(save_reg_addr), GFP_KERNEL); … small head drivers 2020

drivers/usb/dwc3/gadget.c - kernel/msm - Git at Google

[PATCH v6 1/5] usb: dwc3: Avoid unmapping USB requests if …

WebApr 13, 2024 · This is due to the pending endxfers, leading to gadget start (w/o lock. held) to execute the remove requests, which will unlock the dwc3. spinlock as part of giveback. … Webduring cable disconnect. - snps,usb3-u1u2-disable: If present, disable u1u2 low power modes for DWC3 core controller in SS mode. - snps,hird_thresh: If present, will … small head drivers 2021WebHowever, if the DWC3_EP_DELAY_STOP is set, it will call the giveback API, which attempts to unlock the dwc->lock. Ideally, the DWC3 gadget should not have pending end transfers on a soft connect, so fix this by: 1. Re-locating the SETUP phase check after stop active transfers, since that is where the DWC3_EP_DELAY_STOP is potentially set. song you are my all in all

"" - Dwc3_stop_active_transfer

Dwc3_stop_active_transfer

Documentation/devicetree/bindings/usb/dwc3.txt - Git at Google

WebAug 19, 2024 · This would allow the __dwc3_gadget_stop() to disable EP0/1, which would call dwc3_gadget_stop_active_transfer() to send the end xfer command: //Packet which … WebThis is part of the reason for moving the wait_for_completion() call until AFTER the stop active transfers, since that is the point at which we could potentially set the DWC3_EP_DELAY_STOP. If there is a host not moving the EP0 state, then we can at least utilize the timeout path to force EP0 back to the setup phase.

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WebAug 28, 2024 · In the DWC3 databook, for a device initiated disconnect or bus reset, thedriver is required to send dependxfer commands for any pending transfers. In … Webstatic int dwc3_gadget_set_ep_config (struct dwc3 * dwc, struct dwc3_ep * dep, const struct usb_endpoint_descriptor * desc , const struct usb_ss_ep_comp_descriptor * comp_desc ,

Web- dwc3_stop_active_transfer(dwc, dep->number); + dwc3_stop_active_transfer(dwc, dep->number); - /* - * NOTICE: We are violating what the Databook says about the - * … WebTrying to follow the databook programming model in this* scenario can cause errors. For two reasons:** 1) The databook says to do %DWC3_DEPCMD_DEPSTARTCFG for every* …

http://visa.lab.asu.edu/gitlab/fstrace/android-kernel-msm-hammerhead-3.4-marshmallow-mr3/commit/bb2a72cb70d6ce799ffd1d2c52c376d90e63afc8 Web- dwc3_stop_active_transfer (dwc, dep->number); + if (list_empty (&dep->req_queued)) { + dwc3_stop_active_transfer (dwc, dep->number); + dep->flags = DWC3_EP_ENABLED; + } return 0; } + ret = __dwc3_gadget_kick_transfer (dep, 0, true); if (ret && ret != -EBUSY) { struct dwc3 *dwc = dep->dwc;

WebThis is part of the reason for moving the wait_for_completion() call until AFTER the stop active transfers, since that is the point at which we could potentially set the …

WebSep 9, 2024 · September 9, 2024 - WorkCompWire. Austin, TX – The Texas Department of Insurance, Division of Workers’ Compensation (DWC) has revised DWC Form-073, Work … song you are my lucky starWebFeb 3, 2024 · struct dwc3_ep *dep; /* reinitialize physical ep1 */ dep = dwc->eps [1]; dep->flags = DWC3_EP_ENABLED; + dep->trb_enqueue = 0; /* stall is always issued on EP0 */ dep = dwc->eps [0]; __dwc3_gadget_ep_set_halt (dep, 1, false); dep->flags = DWC3_EP_ENABLED; dwc->delayed_status = false; + dep->trb_enqueue = 0; if … song you are my loveWebApr 10, 2024 · This is due to the pending endxfers, leading to gadget start (w/o lock. held) to execute the remove requests, which will unlock the dwc3. spinlock as part of giveback. To mitigate this, resolve the pending endxfers on the pullup disable. path by re-locating the SETUP phase check after stop active transfers, since. small-headedWeb*PATCH] usb: dwc3: gadget: Add 100uS delay after end transfer command without IOC @ 2024-02-27 23:20 Wesley Cheng 2024-02-28 2:19 ` Thinh Nguyen 0 siblings, 1 reply; 7+ messages in thread From: Wesley Cheng @ 2024-02-27 23:20 UTC (permalink / raw) To: gregkh, Thinh.Nguyen; +Cc: linux-kernel, linux-usb, quic_jackp, Wesley Cheng … small headedWeb> dwc3_remove_requests(dwc, dwc3_ep, -ESHUTDOWN); > This is part of the reason for moving the wait_for_completion() call until > AFTER the stop active transfers, since that … song you are my brotherWeb*PATCH] usb: dwc3: gadget: Add 100uS delay after end transfer command without IOC @ 2024-02-27 23:20 Wesley Cheng 2024-02-28 2:19 ` Thinh Nguyen 0 siblings, 1 reply; 7+ … small headed bear plushieWebIf DWC3_EP_DELAYED_STOP is set during stop active transfers, then do not continue attempting to unmap request buffers during dwc3_remove_requests (). This can lead to SMMU faults, as the controller has not stopped the processing of the TRB. Defer this sequence to the EP0 out start, which small headed blind snake