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This adds Thunderbolt 3 support for the software connection manager. It
is currently only used in Apple systems. Previously the driver started
the firmware connection manager on those but it is not necessary anymore
with these patches (we still leave user an option to start the firmware
in case there are problems with the software connection manager).
This includes:
- Expose 'generation' attribute under each device in sysfs
- Converting register names to follow the USB4 spec.
- Lane bonding support
- Expose link speed and width in sysfs
- Display Port handshake needed for Titan Ridge devices
- Display Port pairing and resource management
- Display Port bandwidth management
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Merge tag 'thunderbolt-for-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt into char-misc-next
Mika writes:
thunderbolt: Changes for v5.5 merge window
This adds Thunderbolt 3 support for the software connection manager. It
is currently only used in Apple systems. Previously the driver started
the firmware connection manager on those but it is not necessary anymore
with these patches (we still leave user an option to start the firmware
in case there are problems with the software connection manager).
This includes:
- Expose 'generation' attribute under each device in sysfs
- Converting register names to follow the USB4 spec.
- Lane bonding support
- Expose link speed and width in sysfs
- Display Port handshake needed for Titan Ridge devices
- Display Port pairing and resource management
- Display Port bandwidth management
* tag 'thunderbolt-for-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt: (21 commits)
thunderbolt: Do not start firmware unless asked by the user
thunderbolt: Add bandwidth management for Display Port tunnels
thunderbolt: Add Display Port adapter pairing and resource management
thunderbolt: Add Display Port CM handshake for Titan Ridge devices
thunderbolt: Add downstream PCIe port mappings for Alpine and Titan Ridge
thunderbolt: Expand controller name in tb_switch_is_xy()
thunderbolt: Add default linking between lane adapters if not provided by DROM
thunderbolt: Add support for lane bonding
thunderbolt: Refactor add_switch() into two functions
thunderbolt: Add helper macro to iterate over switch ports
thunderbolt: Make tb_sw_write() take const parameter
thunderbolt: Convert DP adapter register names to follow the USB4 spec
thunderbolt: Convert PCIe adapter register names to follow the USB4 spec
thunderbolt: Convert basic adapter register names to follow the USB4 spec
thunderbolt: Log error if adding switch fails
thunderbolt: Log switch route string on config read/write timeout
thunderbolt: Introduce tb_switch_is_icm()
thunderbolt: Add 'generation' attribute for devices
thunderbolt: Drop unnecessary read when writing LC command in Ice Lake
thunderbolt: Fix lockdep circular locking depedency warning
...
4180468e16
