Hello Anurag, On 9/21/2018 7:36 PM, Anurag Kumar Vulisha wrote: > Hi Tejas, > >> -----Original Message----- >> From: Tejas Joglekar [mailto:Tejas.Joglekar@xxxxxxxxxxxx] >> Sent: Friday, September 21, 2018 7:01 PM >> To: Anurag Kumar Vulisha <anuragku@xxxxxxxxxx>; balbi@xxxxxxxxxx; >> gregkh@xxxxxxxxxxxxxxxxxxx >> Cc: v.anuragkumar@xxxxxxxxx; linux-usb@xxxxxxxxxxxxxxx; linux- >> kernel@xxxxxxxxxxxxxxx; Thinh.Nguyen@xxxxxxxxxxxx; Ajay Yugalkishore Pandey >> <APANDEY@xxxxxxxxxx>; joglekartejas@xxxxxxxxx >> Subject: Re: [PATCH v5 0/8] usb: dwc3: Fix broken BULK stream support to dwc3 >> gadget driver >> >> Hello Anurag, >> On 9/15/2018 8:00 PM, Anurag Kumar Vulisha wrote: >>> These patch series fixes the broken BULK streaming support in >>> dwc3 gadget driver. >>> >>> Changes in v5: >>> 1. Removed the dev_dbg prints as suggested bt "Thinh Nguyen" >>> >>> Changes in v4: >>> 1. Corrected the commit messgae and stream timeout description >>> as suggested by "Thinh Nguyen" >>> >>> Changes in v3: >>> 1. Added the changes suggested by "Thinh Nguyen" >>> >>> Changes in v2: >>> 1. Added "usb: dwc3:" in subject heading >>> >>> Anurag Kumar Vulisha (8): >>> usb: dwc3: Correct the logic for checking TRB full in >>> __dwc3_prepare_one_trb() >>> usb: dwc3: update stream id in depcmd >>> usb: dwc3: make controller clear transfer resources after complete >>> usb: dwc3: implement stream transfer timeout >>> usb: dwc3: don't issue no-op trb for stream capable endpoints >>> usb: dwc3: check for requests in started list for stream capable >>> endpoints >>> usb: dwc3: Check for IOC/LST bit in both event->status and TRB->ctrl >>> fields >>> usb: dwc3: Check MISSED ISOC bit only for ISOC endpoints >>> >>> drivers/usb/dwc3/core.h | 7 ++++ >>> drivers/usb/dwc3/gadget.c | 85 >> ++++++++++++++++++++++++++++++++++++++++++----- >>> 2 files changed, 84 insertions(+), 8 deletions(-) >>> >> Tested-By: Tejas Joglekar <tejas.joglekar@xxxxxxxxxxxx> >> I have tested this patch series except the stream transfer timeout patch on HAPS-DX >> platform. I am not aware of exact scenarios to test the timeout patch and don't have >> a test for the same. > Thanks for testing the patches. The issue mentioned in the timeout patch (Patch 4) will > occur very rarely on the long runs and only when tested with stream capable host. This > issue happens only when the host & dwc3 controller go out of sync, where the dwc3 > controller may wait for host to issue prime transaction and host may wait for the gadget > to issue ERDY. I used controller version 2.90A for testing this issue. This issue is mentioned > in databook section 9.5.2 > > Thanks, > Anurag Kumar Vulisha > > I see, as it is rare so maybe it is not seen here. I have used 3.30A for testing. I will keep watch on this issue during my tests. --- Thanks, Tejas Joglekar
