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From: Peter Chen <peter.chen@nxp.com>
To: balbi@kernel.org
Cc: linux-usb@vger.kernel.org, linux-imx@nxp.com, pawell@cadence.com,
	rogerq@ti.com, gregkh@linuxfoundation.org, jun.li@nxp.com,
	Peter Chen <peter.chen@nxp.com>
Subject: [PATCH v2 0/8] usb: cdns3: improve the sg use case
Date: Thu, 10 Sep 2020 17:11:22 +0800	[thread overview]
Message-ID: <20200910091130.20937-1-peter.chen@nxp.com> (raw)

For sg use cases, there will be serveral TRBs in TD, and the short transfer
may occur during the TD, current code doesn't handle it well, improve it
through this series. Tested by Android MTP and ADB use case.

Changes for v2:
- Fix some coding style and typo issues. [Patch 1, 2, 3, 5]
- Improve the comments [Patch 6,8]

Peter Chen (8):
  usb: cdns3: gadget: using correct sg operations
  usb: cdns3: gadget: improve the dump TRB operation at
    cdns3_ep_run_transfer
  usb: cdns3: gadget: calculate TDL correctly
  usb: cdns3: gadget: add CHAIN and ISP bit for sg list use case
  usb: cdns3: gadget: handle sg list use case at completion correctly
  usb: cdns3: gadget: need to handle sg case for workaround 2 case
  usb: cdns3: gadget: sg_support is only for DEV_VER_V2 or above
  usb: cdns3: gadget: enlarge the TRB ring length

 drivers/usb/cdns3/gadget.c | 202 +++++++++++++++++++++++++------------
 drivers/usb/cdns3/gadget.h |  11 +-
 2 files changed, 149 insertions(+), 64 deletions(-)

-- 
2.17.1


             reply	other threads:[~2020-09-10  9:12 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-10  9:11 Peter Chen [this message]
2020-09-10  9:11 ` [PATCH v2 1/8] usb: cdns3: gadget: using correct sg operations Peter Chen
2020-09-24  7:27   ` Felipe Balbi
2020-09-24  9:33     ` Peter Chen
2020-09-29  3:40       ` Peter Chen
2020-09-29  6:29         ` Felipe Balbi
2020-09-10  9:11 ` [PATCH v2 2/8] usb: cdns3: gadget: improve the dump TRB operation at cdns3_ep_run_transfer Peter Chen
2020-09-10  9:11 ` [PATCH v2 3/8] usb: cdns3: gadget: calculate TDL correctly Peter Chen
2020-09-10  9:11 ` [PATCH v2 4/8] usb: cdns3: gadget: add CHAIN and ISP bit for sg list use case Peter Chen
2020-09-10  9:11 ` [PATCH v2 5/8] usb: cdns3: gadget: handle sg list use case at completion correctly Peter Chen
2020-09-10  9:11 ` [PATCH v2 6/8] usb: cdns3: gadget: need to handle sg case for workaround 2 case Peter Chen
2020-09-10  9:11 ` [PATCH v2 7/8] usb: cdns3: gadget: sg_support is only for DEV_VER_V2 or above Peter Chen
2020-09-10  9:11 ` [PATCH v2 8/8] usb: cdns3: gadget: enlarge the TRB ring length Peter Chen

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