[PATCH 00/13][SRU][U/OEM-5.10] UBUNTU: SAUCE: Intel Thunderbolt4/USB4 Maple Ridge support

[You-Sheng Yang]

These patches have been merged into mainline kernel through tag
thunderbolt-for-v5.11-rc1.

On 12/3/20 4:18 PM, You-Sheng Yang wrote:
> BugLink: https://bugs.launchpad.net/bugs/1906236
> 
> [Impact]
> 
> New hardware support for Intel Thunderbolt4/USB4 controller codenamed Maple
> Ridge, PCI ID 8086:1137.
> 
> [Fix]
> 
> Patchset titled "thunderbolt: USB4 NVM upgrade improvements & Maple
> Ridge support" in
> https://lore.kernel.org/lkml/20201119155523.41332-1-mika.westerberg@linux.intel.com/
> currently landed in thunderbolt tree as commit 45ef561abcdd
> ("thunderbolt: Move max_boot_acl field to correct place in struct icm")
> targeting v5.11, as well as commit 62233f88fda2 ("xhci-pci: Allow host
> runtime PM as default for Intel Maple Ridge xHCI") from the xHCI tree
> also targeting v5.11.
> 
> [Test Case]
> 
> 1. attach thunderbolt docking to the port connecting to a Maple Ridge
> controller,
> 2. use `boltctl list` to enumerate thunderbolt devices connected
> 
> [Where problems could occur]
> 
> These changes introduce a proxy for USB4 route operations with fallback
> to native one depending on the protocol version, so it doesn't seem to
> affect exsiting devices.
> 
> Mika Westerberg (13):
>   thunderbolt: Move max_boot_acl field to correct place in struct icm
>   thunderbolt: Log which connection manager implementation is used
>   thunderbolt: Log adapter numbers in decimal in path
>     activation/deactivation
>   thunderbolt: Keep the parent runtime resumed for a while on device
>     disconnect
>   thunderbolt: Return -ENOTCONN when ERR_CONN is received
>   thunderbolt: Perform USB4 router NVM upgrade in two phases
>   thunderbolt: Pass metadata directly to usb4_switch_op()
>   thunderbolt: Pass TX and RX data directly to usb4_switch_op()
>   thunderbolt: Add connection manager specific hooks for USB4 router
>     operations
>   thunderbolt: Move constants for USB4 router operations to tb_regs.h
>   thunderbolt: Add USB4 router operation proxy for firmware connection
>     manager
>   thunderbolt: Add support for Intel Maple Ridge
>   xhci-pci: Allow host runtime PM as default for Intel Maple Ridge xHCI
> 
>  drivers/thunderbolt/ctl.c     |   3 +
>  drivers/thunderbolt/icm.c     | 240 ++++++++++++++++++++++++++++--
>  drivers/thunderbolt/nhi.h     |   1 +
>  drivers/thunderbolt/path.c    |   4 +-
>  drivers/thunderbolt/switch.c  |  20 ++-
>  drivers/thunderbolt/tb.c      |   2 +
>  drivers/thunderbolt/tb.h      |  14 ++
>  drivers/thunderbolt/tb_msgs.h |  28 ++++
>  drivers/thunderbolt/tb_regs.h |  14 ++
>  drivers/thunderbolt/usb4.c    | 269 ++++++++++++++++++++--------------
>  drivers/usb/host/xhci-pci.c   |   4 +-
>  11 files changed, 476 insertions(+), 123 deletions(-)
>