From: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
To: Felipe Balbi <balbi@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Thinh Nguyen <Thinh.Nguyen@synopsys.com>,
linux-usb@vger.kernel.org, devicetree@vger.kernel.org,
Rob Herring <robh+dt@kernel.org>, Peter Chen <peter.chen@nxp.com>,
Alan Stern <stern@rowland.harvard.edu>,
Dejin Zheng <zhengdejin5@gmail.com>,
Roger Quadros <rogerq@ti.com>, Jun Li <jun.li@nxp.com>
Cc: John Youn <John.Youn@synopsys.com>
Subject: [PATCH 00/11] usb: Handle different sublink speeds
Date: Thu, 16 Jul 2020 14:58:29 -0700 [thread overview]
Message-ID: <cover.1594935978.git.thinhn@synopsys.com> (raw)
A USB super-speed-plus device may operate at different sublink speed and lane
count (e.g. gen2x2, gen1x2, or gen2x1). The usb gadget stack needs to be able
to handle a couple things:
1) Report the sublink speed attributes the device support
2) Select the sublink speed attribute
This series introduces sublink speed attribute structure to ch9.h to capture
the device capability of the gadget. It also introduces a new gadget ops
udc_set_num_lanes_and_speed to select a specific sublink speed.
DWC3 needs this support for DWC_usb32 IP. Implement the new changes for DWC3.
Thinh Nguyen (11):
usb: ch9: Add sublink speed struct
usb: gadget: composite: Avoid using magic numbers
usb: gadget: Expose sublink speed attributes
usb: gadget: Set max speed for SSP devices
usb: composite: Properly report sublink speed
usb: devicetree: dwc3: Introduce num-lanes and lsm
usb: dwc3: Initialize lane count and sublink speed
usb: dwc3: gadget: Report sublink speed capability
usb: dwc3: gadget: Implement setting of sublink speed
usb: dwc3: gadget: Track connected lane and sublink speed
usb: dwc3: gadget: Set speed only up to the max supported
Documentation/devicetree/bindings/usb/dwc3.txt | 9 ++
drivers/usb/dwc3/core.c | 64 ++++++++++++
drivers/usb/dwc3/core.h | 18 ++++
drivers/usb/dwc3/gadget.c | 135 ++++++++++++++++++++++++-
drivers/usb/gadget/composite.c | 81 ++++++++++-----
drivers/usb/gadget/udc/core.c | 24 ++++-
include/linux/usb/gadget.h | 23 +++++
include/uapi/linux/usb/ch9.h | 42 ++++++++
8 files changed, 360 insertions(+), 36 deletions(-)
--
2.11.0
next reply other threads:[~2020-07-16 21:58 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-16 21:58 Thinh Nguyen [this message]
2020-07-16 21:58 ` [PATCH 01/11] usb: ch9: Add sublink speed struct Thinh Nguyen
2020-07-17 6:34 ` Greg Kroah-Hartman
2020-07-17 7:06 ` Thinh Nguyen
2020-07-17 7:33 ` Greg Kroah-Hartman
2020-07-17 7:47 ` Thinh Nguyen
2020-07-17 8:15 ` Greg Kroah-Hartman
2020-07-17 8:29 ` Thinh Nguyen
2020-07-17 8:39 ` kernel test robot
2020-07-17 8:39 ` kernel test robot
2020-07-17 8:46 ` Sergei Shtylyov
2020-07-17 22:42 ` Thinh Nguyen
2020-07-18 12:53 ` kernel test robot
2020-07-18 12:53 ` kernel test robot
2020-07-16 21:58 ` [PATCH 02/11] usb: gadget: composite: Avoid using magic numbers Thinh Nguyen
2020-07-16 21:58 ` [PATCH 03/11] usb: gadget: Expose sublink speed attributes Thinh Nguyen
2020-07-16 21:58 ` [PATCH 04/11] usb: gadget: Set max speed for SSP devices Thinh Nguyen
2020-07-16 21:59 ` [PATCH 05/11] usb: composite: Properly report sublink speed Thinh Nguyen
2020-07-16 21:59 ` [PATCH 06/11] usb: devicetree: dwc3: Introduce num-lanes and lsm Thinh Nguyen
2020-07-21 3:39 ` Rob Herring
2020-07-21 5:01 ` Thinh Nguyen
2020-07-21 15:04 ` Rob Herring
2020-07-21 16:41 ` Thinh Nguyen
2020-07-22 11:06 ` Felipe Balbi
2020-07-22 14:45 ` Rob Herring
2020-07-22 15:14 ` Thinh Nguyen
2020-07-22 17:30 ` Thinh Nguyen
2020-07-23 2:11 ` Thinh Nguyen
2020-07-16 21:59 ` [PATCH 07/11] usb: dwc3: Initialize lane count and sublink speed Thinh Nguyen
2020-07-16 21:59 ` [PATCH 08/11] usb: dwc3: gadget: Report sublink speed capability Thinh Nguyen
2020-07-16 21:59 ` [PATCH 09/11] usb: dwc3: gadget: Implement setting of sublink speed Thinh Nguyen
2020-07-16 21:59 ` [PATCH 10/11] usb: dwc3: gadget: Track connected lane and " Thinh Nguyen
2020-07-16 21:59 ` [PATCH 11/11] usb: dwc3: gadget: Set speed only up to the max supported Thinh Nguyen
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