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Tue, 1 May 2018 23:06:12 -0400 Received: from regular1.263xmail.com ([211.150.99.137]:33901 "EHLO regular1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751763AbeEBDGK (ORCPT ); Tue, 1 May 2018 23:06:10 -0400 X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-IP-DOMAINF: 1 X-RL-SENDER: william.wu@rock-chips.com X-FST-TO: hminas@synopsys.com X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: william.wu@rock-chips.com X-UNIQUE-TAG: <42b11df21b18771cf7ca8eba497602ad> X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 From: William Wu To: hminas@synopsys.com, felipe.balbi@linux.intel.com, gregkh@linuxfoundation.org Cc: sergei.shtylyov@cogentembedded.com, heiko@sntech.de, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-rockchip@lists.infradead.org, frank.wang@rock-chips.com, huangtao@rock-chips.com, dianders@google.com, daniel.meng@rock-chips.com, John.Youn@synopsys.com, william.wu@rock-chips.com, wzz@rock-chips.com, zsq@rock-chips.com, Allen.Hsu@quantatw.com, StanTsui@AOPEN.com Subject: [PATCH v2 0/2] usb: dwc2: fix isoc split in transfer issue Date: Wed, 2 May 2018 11:04:46 +0800 Message-Id: <1525230288-6014-1-git-send-email-william.wu@rock-chips.com> X-Mailer: git-send-email 2.0.0 Sender: linux-usb-owner@vger.kernel.org X-Mailing-List: linux-usb@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: This patch fix dma unaligned problem and data lost problem for isoc split in transfer. Test on rk3288 platform, use an usb hs Hub (GL852G-12) and an usb fs audio device (Plantronics headset) to capture and playback. William Wu (2): usb: dwc2: alloc dma aligned buffer for isoc split in usb: dwc2: fix isoc split in transfer with no data drivers/usb/dwc2/hcd.c | 63 +++++++++++++++++++++++++++++++++++++++++--- drivers/usb/dwc2/hcd.h | 10 +++++++ drivers/usb/dwc2/hcd_intr.c | 10 ++++++- drivers/usb/dwc2/hcd_queue.c | 8 +++++- 4 files changed, 86 insertions(+), 5 deletions(-) -- 2.0.0