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bffcd14fac
This includes following Thunderbolt/USB4 changes for the v6.1 merge
window:
- Support for Intel Meteor Lake integrated Thunderbolt/USB4 controller
- Support for ASMedia USB4 controller NVM firmware upgrade
- Receiver lane margining support
- Few fixes and cleanups.
All these have been in linux-next with no reported issues.
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Merge tag 'thunderbolt-for-v6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt into usb-next
Mika writes:
"thunderbolt: Changes for v6.1 merge window
This includes following Thunderbolt/USB4 changes for the v6.1 merge
window:
- Support for Intel Meteor Lake integrated Thunderbolt/USB4 controller
- Support for ASMedia USB4 controller NVM firmware upgrade
- Receiver lane margining support
- Few fixes and cleanups.
All these have been in linux-next with no reported issues."
* tag 'thunderbolt-for-v6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt:
thunderbolt: Explicitly enable lane adapter hotplug events at startup
thunderbolt: Use dev_err_probe()
thunderbolt: Convert to use sysfs_emit()/sysfs_emit_at() APIs
thunderbolt: Fix spelling mistake "simultaneusly" -> "simultaneously"
thunderbolt: debugfs: Fix spelling mistakes in seq_puts text
thunderbolt: Add support for ASMedia NVM image format
thunderbolt: Move vendor specific NVM handling into nvm.c
thunderbolt: Provide tb_retimer_nvm_read() analogous to tb_switch_nvm_read()
thunderbolt: Rename and make nvm_read() available for other files
thunderbolt: Extend NVM version fields to 32-bits
thunderbolt: Allow NVM upgrade of USB4 host routers
thunderbolt: Add support for receiver lane margining
thunderbolt: Add helper to check if CL states are enabled on port
thunderbolt: Pass CL state bitmask to tb_port_clx_supported()
thunderbolt: Move port CL state functions into correct place in switch.c
thunderbolt: Move tb_xdomain_parent() to tb.h
thunderbolt: Add support for Intel Meteor Lake
thunderbolt: Add comment where Thunderbolt 4 PCI IDs start
thunderbolt: Add DP OUT resource when DP tunnel is discovered
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59 lines
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# SPDX-License-Identifier: GPL-2.0-only
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menuconfig USB4
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tristate "Unified support for USB4 and Thunderbolt"
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depends on PCI
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select APPLE_PROPERTIES if EFI_STUB && X86
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select CRC32
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select CRYPTO
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select CRYPTO_HASH
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select NVMEM
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help
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USB4 and Thunderbolt driver. USB4 is the public specification
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based on the Thunderbolt 3 protocol. This driver is required if
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you want to hotplug Thunderbolt and USB4 compliant devices on
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Apple hardware or on PCs with Intel Falcon Ridge or newer.
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To compile this driver a module, choose M here. The module will be
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called thunderbolt.
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if USB4
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config USB4_DEBUGFS_WRITE
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bool "Enable write by debugfs to configuration spaces (DANGEROUS)"
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help
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Enables writing to device configuration registers through
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debugfs interface.
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Only enable this if you know what you are doing! Never enable
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this for production systems or distro kernels.
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config USB4_DEBUGFS_MARGINING
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bool "Expose receiver lane margining operations under USB4 ports (DANGEROUS)"
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depends on DEBUG_FS
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depends on USB4_DEBUGFS_WRITE
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help
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Enables hardware and software based receiver lane margining support
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under each USB4 port. Used for electrical quality and robustness
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validation during manufacturing. Should not be enabled by distro
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kernels.
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config USB4_KUNIT_TEST
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bool "KUnit tests" if !KUNIT_ALL_TESTS
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depends on USB4 && KUNIT=y
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default KUNIT_ALL_TESTS
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config USB4_DMA_TEST
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tristate "DMA traffic test driver"
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depends on DEBUG_FS
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help
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This allows sending and receiving DMA traffic through loopback
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connection. Loopback connection can be done by either special
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dongle that has TX/RX lines crossed, or by simply connecting a
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cable back to the host. Only enable this if you know what you
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are doing. Normal users and distro kernels should say N here.
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To compile this driver a module, choose M here. The module will be
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called thunderbolt_dma_test.
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endif # USB4
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