RE: [PATCH] usb: dwc3: gadget: issue a stop command for ISOC endpoint

2019-02-23 Thread Zengtao (B)
k you can test the UVC application with the latest driver. Regards Zengtao >-Original Message- >From: Felipe Balbi [mailto:felipe.ba...@linux.intel.com] >Sent: Monday, January 21, 2019 4:56 PM >To: Zengtao (B) >Cc: Greg Kroah-Hartman ; >linux-usb@vger.kernel.org; linux

RE: [PATCH] usb: dwc3: gadget: don't remove the request if bus-expired

2019-01-21 Thread Zengtao (B)
Hi balbi: >-Original Message- >From: Felipe Balbi [mailto:felipe.ba...@linux.intel.com] >Sent: Monday, January 14, 2019 4:13 PM >To: Zengtao (B) >Cc: Zengtao (B) ; Greg Kroah-Hartman >; linux-usb@vger.kernel.org; >linux-ker...@vger.kernel.org >Subject: Re: [

RE: [PATCH] usb: dwc3: gadget: issue a stop command for ISOC endpoint

2019-01-21 Thread Zengtao (B)
Hi balbi: >-Original Message- >From: Felipe Balbi [mailto:felipe.ba...@linux.intel.com] >Sent: Monday, January 21, 2019 4:17 PM >To: Zengtao (B) >Cc: Zengtao (B) ; Greg Kroah-Hartman >; linux-usb@vger.kernel.org; >linux-ker...@vger.kernel.org >Subject: Re: [

RE: [PATCH] usb: dwc3: gadget: fix miss isoc issue introduced by IRQ latency

2018-12-16 Thread Zengtao (B)
Hi Sergei: >-Original Message- >From: Sergei Shtylyov [mailto:sergei.shtyl...@cogentembedded.com] >Sent: Friday, December 14, 2018 7:18 PM >To: Zengtao (B) ; ba...@kernel.org >Cc: liangshengjun ; Greg Kroah-Hartman >; linux-usb@vger.kernel.org; >linux-ker...@vger.ke

RE: [PATCH] usb: dwc3: gadget: fix miss isoc issue introduced by IRQ latency

2018-12-16 Thread Zengtao (B)
Hi Thinh: >-Original Message- >From: Thinh Nguyen [mailto:thinh.ngu...@synopsys.com] >Sent: Saturday, December 15, 2018 5:43 AM >To: Felipe Balbi ; Zengtao (B) > >Cc: liangshengjun ; Greg Kroah-Hartman >; linux-usb@vger.kernel.org; >linux-ker...@vger.kernel.org;

RE: [PATCH] usb: dwc3: gadget: fix miss isoc issue introduced by IRQ latency

2018-12-14 Thread Zengtao (B)
>-Original Message- >From: Felipe Balbi [mailto:ba...@kernel.org] >Sent: Friday, December 14, 2018 4:52 PM >To: Zengtao (B) >Cc: liangshengjun ; Zengtao (B) >; Greg Kroah-Hartman >; linux-usb@vger.kernel.org; >linux-ker...@vger.kernel.org >Subject: Re: [PATCH]

RE: scsi_set_medium_removal timeout issue

2018-11-28 Thread Zengtao (B)
Ping? >-Original Message- >From: Alan Stern [mailto:st...@rowland.harvard.edu] >Sent: Wednesday, November 14, 2018 11:35 PM >To: Martin Petersen ; Zengtao (B) > >Cc: j...@linux.vnet.ibm.com; gre...@linuxfoundation.org; >linux-s...@vger.kernel.org; linux-ker...@vger.k

RE: scsi_set_medium_removal timeout issue

2018-11-13 Thread Zengtao (B)
Hi Alan: >-Original Message- >From: Alan Stern [mailto:st...@rowland.harvard.edu] >Sent: Monday, November 12, 2018 11:33 PM >To: Zengtao (B) >Cc: j...@linux.vnet.ibm.com; martin.peter...@oracle.com; >gre...@linuxfoundation.org; linux-s...@vger.kernel.org; >linux-k

RE: scsi_set_medium_removal timeout issue

2018-11-12 Thread Zengtao (B)
Hi Alan: >-Original Message- >From: Alan Stern [mailto:st...@rowland.harvard.edu] >Sent: Wednesday, October 31, 2018 10:20 PM >To: Zengtao (B) >Cc: j...@linux.vnet.ibm.com; martin.peter...@oracle.com; >gre...@linuxfoundation.org; linux-s...@vger.kernel.org; >linux-k

RE: scsi_set_medium_removal timeout issue

2018-10-30 Thread Zengtao (B)
Hi: >-Original Message- >From: Alan Stern [mailto:st...@rowland.harvard.edu] >Sent: Tuesday, October 30, 2018 10:08 PM >To: Zengtao (B) >Cc: j...@linux.vnet.ibm.com; martin.peter...@oracle.com; >gre...@linuxfoundation.org; linux-s...@vger.kernel.org; >linux-ker...@v

RE: scsi_set_medium_removal timeout issue

2018-10-30 Thread Zengtao (B)
Hi: >-Original Message- >From: Oliver Neukum [mailto:oneu...@suse.com] >Sent: Tuesday, October 30, 2018 4:56 PM >To: Zengtao (B) ; j...@linux.vnet.ibm.com; >gre...@linuxfoundation.org; martin.peter...@oracle.com; >st...@rowland.harvard.edu >Cc: usb-stor...@lists.one-

scsi_set_medium_removal timeout issue

2018-10-30 Thread Zengtao (B)
Hi I have recently met a scsi_set_medium_removal timeout issue, and it's related to both SCSI and USB MASS storage. Since i am not an expert in either scsi or usb mass storage, i am writing to report the issue and ask for a solution from you guys. My test scenario is as follow: 1.Linux HOST--

RE: [PATCH] xhci: remove the unused sw_lpm_support

2018-10-16 Thread Zengtao (B)
Hi Mathias: >-Original Message- >From: Mathias Nyman [mailto:mathias.ny...@linux.intel.com] >Sent: Tuesday, October 16, 2018 8:34 PM >To: Zengtao (B) ; mathias.ny...@intel.com; >gre...@linuxfoundation.org >Cc: linux-usb@vger.kernel.org; linux-ker...@vger.kernel.org &g

RE: Can we just remove the sw_lpm_support from current xhci driver?

2018-10-15 Thread Zengtao (B)
Hi Mathias: >-Original Message- >From: Mathias Nyman [mailto:mathias.ny...@intel.com] >Sent: Monday, October 15, 2018 8:11 PM >To: Zengtao (B) ; Greg KH > >Cc: linux-ker...@vger.kernel.org; linux-usb@vger.kernel.org >Subject: Re: Can we just remove the sw_lpm_supp

Can we just remove the sw_lpm_support from current xhci driver?

2018-10-15 Thread Zengtao (B)
Hi: I am recently reading the LPM related code in xhci driver, and I find that the xhci->sw_lpm_support is not really used, but I am not sure whether we should remove it or not? Any ideas, Thanks. Regards Zengtao

RE: [PATCH v3] usb: hub: try old enumeration scheme first for high speed devices

2018-09-27 Thread Zengtao (B)
Hi greg: Sorry for the late response, I have applied the tags and resend, please receive it and check Thx Zengtao >-Original Message- >From: Greg KH [mailto:gre...@linuxfoundation.org] >Sent: Thursday, September 20, 2018 6:38 PM >To: Roger Quadros >Cc: Z

RE: [PATCH] usb: dwc2: gadget: Fix issue in dwc2_gadget_start_isoc()

2018-06-13 Thread Zengtao (B)
Hi Minas: >-Original Message- >From: linux-usb-ow...@vger.kernel.org >[mailto:linux-usb-ow...@vger.kernel.org] On Behalf Of Minas Harutyunyan >Sent: Tuesday, June 12, 2018 4:37 PM >To: Felipe Balbi ; Greg Kroah-Hartman >; Minas Harutyunyan >; linux-usb@vger.kernel.org >Cc: John Youn >Subj

RE: [PATCH v1 2/3] usb: dwc2: Change ISOC DDMA flow

2018-03-22 Thread Zengtao (B)
Hi Minas: >-Original Message- >From: Minas Harutyunyan [mailto:minas.harutyun...@synopsys.com] >Sent: Thursday, March 22, 2018 4:06 PM >To: Zengtao (B) ; Minas Harutyunyan >; John Youn ; >Felipe Balbi ; Greg Kroah-Hartman >; linux-usb@vger.kernel.org >Subject

RE: [PATCH v1 2/3] usb: dwc2: Change ISOC DDMA flow

2018-03-21 Thread Zengtao (B)
Hi Minas: >-Original Message- >From: Minas Harutyunyan [mailto:minas.harutyun...@synopsys.com] >Sent: Wednesday, March 21, 2018 4:08 PM >To: Zengtao (B) ; Minas Harutyunyan >; John Youn ; >Felipe Balbi ; Greg Kroah-Hartman >; linux-usb@vger.kernel.org >Subject

RE: [PATCH v1 2/3] usb: dwc2: Change ISOC DDMA flow

2018-03-20 Thread Zengtao (B)
>-Original Message- >From: linux-usb-ow...@vger.kernel.org >[mailto:linux-usb-ow...@vger.kernel.org] On Behalf Of Minas Harutyunyan >Sent: Tuesday, March 20, 2018 10:40 PM >To: Zengtao (B) ; Minas Harutyunyan >; John Youn ; >Felipe Balbi ; Greg Kroah-Hartman >; l

RE: [PATCH v1 2/3] usb: dwc2: Change ISOC DDMA flow

2018-03-19 Thread Zengtao (B)
Hi Minas: A few minor comments: >-Original Message- >From: linux-usb-ow...@vger.kernel.org >[mailto:linux-usb-ow...@vger.kernel.org] On Behalf Of Minas Harutyunyan >Sent: Saturday, March 17, 2018 5:10 PM >To: John Youn ; Felipe Balbi ; >Greg Kroah-Hartman ; linux-usb@vger.kernel.org >Cc:

Possible usb_request leak in the function dwc2_gadget_complete_isoc_request_ddma

2018-02-28 Thread Zengtao (B)
Hi johnyoun: I found a suspected bug, and I am writing to confirm with you. In the function dwc2_gadget_complete_isoc_request_ddma(drivers/usb/dwc2/gadget.c). Only the first request from the eq queue is processed while maybe there are more than one descriptors done by the HW. 1. Each usb reque