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thunderbolt: Changes for v6.6 merge window
This includes following Thunderbolt/USB4 changes for the v6.6 merge window: - Replace broken mailing list address in the ABI document - Small improvements. All these have been in linux-next with no reported issues. -----BEGIN PGP SIGNATURE----- iQJUBAABCgA+FiEEVTdhRGBbNzLrSUBaAP2fSd+ZWKAFAmTkfGsgHG1pa2Eud2Vz dGVyYmVyZ0BsaW51eC5pbnRlbC5jb20ACgkQAP2fSd+ZWKBDZhAAi7BjitUFsFOv 6VsNuhztPaO5GKqlDwBfIST2/k6qzdPJSBMwr6biMLcloNkehyRlRPSPgHPEjbv/ lqF7BkUpg7Ghw164VBq0nU1WKq6u/+HvoZL5Tkacz87ObWyfX7s/BfeOm1nW7++t kROG39ZZhLKG1RASqWRJsu3eSZIpbSXD2c7ErnuNRNobPqrx3ts1gS0FBiZwZfG6 96lG1cSNlujjQFreKIikz/CIgpgCFkdcw5cEieHY13wSNU90gMEcZ1PEKz48eMMI E70RrfwEQd8f+M239JLSmer2Kh1dx90RJ8GJKsS4UyxBn07r7FXoBeo3DMaNLKB0 PIMW5G5dsRJr7tqpOSJIHpprmAMlOL4xMBQ+XlsJiSPYCC+xeFPxVyIqdLdCpxjF NWSJExiSDgFkOPJQltu91egFWWQBXXugGxbxkFvQsqwF0JU6oD5XIESVK5Lq3SvT xOQdpMQFVXOQCqYTZ2Xc2K/bAO/EYbJVLoRbSBGcwXHyiHe3Vyc4agcCPrxDqbU1 SxD1GgTU0ooHdkikbIeGEj5VUsMRRNSJVxvUXGZlhh0GCy/c/KYOur2AG9vIwi3T RYtik2MY2mtT+wTE1Kb8gmPv4xtog6LpNfEINF+bBat7rUCKO5KlUnLcVJbVmTW4 lQhBqTv2W9Aki36iewRVPAjZ/7kZMUY= =US+s -----END PGP SIGNATURE----- Merge tag 'thunderbolt-for-v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt into usb-next Mika writes: thunderbolt: Changes for v6.6 merge window This includes following Thunderbolt/USB4 changes for the v6.6 merge window: - Replace broken mailing list address in the ABI document - Small improvements. All these have been in linux-next with no reported issues. * tag 'thunderbolt-for-v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt: Documentation/ABI: thunderbolt: Replace 01.org in contact thunderbolt: Check Intel vendor ID in tb_switch_get_generation() thunderbolt: Log a warning if device links are not found thunderbolt: Set variable tmu_params storage class specifier to static
This commit is contained in:
Greg Kroah-Hartman
commit
7ccecc84ef
@ -1,7 +1,7 @@
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What: /sys/bus/thunderbolt/devices/.../domainX/boot_acl
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Date: Jun 2018
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KernelVersion: 4.17
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Contact: thunderbolt-software@lists.01.org
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Contact: Mika Westerberg <mika.westerberg@linux.intel.com>
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Description: Holds a comma separated list of device unique_ids that
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are allowed to be connected automatically during system
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startup (e.g boot devices). The list always contains
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@ -33,7 +33,7 @@ Description: This attribute tells whether the system supports
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What: /sys/bus/thunderbolt/devices/.../domainX/iommu_dma_protection
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Date: Mar 2019
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KernelVersion: 4.21
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Contact: thunderbolt-software@lists.01.org
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Contact: Mika Westerberg <mika.westerberg@linux.intel.com>
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Description: This attribute tells whether the system uses IOMMU
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for DMA protection. Value of 1 means IOMMU is used 0 means
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it is not (DMA protection is solely based on Thunderbolt
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@ -42,7 +42,7 @@ Description: This attribute tells whether the system uses IOMMU
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What: /sys/bus/thunderbolt/devices/.../domainX/security
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Date: Sep 2017
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KernelVersion: 4.13
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Contact: thunderbolt-software@lists.01.org
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Contact: Mika Westerberg <mika.westerberg@linux.intel.com>
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Description: This attribute holds current Thunderbolt security level
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set by the system BIOS. Possible values are:
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@ -64,7 +64,7 @@ Description: This attribute holds current Thunderbolt security level
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What: /sys/bus/thunderbolt/devices/.../authorized
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Date: Sep 2017
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KernelVersion: 4.13
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Contact: thunderbolt-software@lists.01.org
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Contact: Mika Westerberg <mika.westerberg@linux.intel.com>
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Description: This attribute is used to authorize Thunderbolt devices
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after they have been connected. If the device is not
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authorized, no PCIe devices are available to the system.
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@ -98,7 +98,7 @@ Description: This attribute is used to authorize Thunderbolt devices
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What: /sys/bus/thunderbolt/devices/.../boot
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Date: Jun 2018
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KernelVersion: 4.17
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Contact: thunderbolt-software@lists.01.org
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Contact: Mika Westerberg <mika.westerberg@linux.intel.com>
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Description: This attribute contains 1 if Thunderbolt device was already
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authorized on boot and 0 otherwise.
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@ -113,7 +113,7 @@ Description: This attribute contains the generation of the Thunderbolt
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What: /sys/bus/thunderbolt/devices/.../key
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Date: Sep 2017
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KernelVersion: 4.13
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Contact: thunderbolt-software@lists.01.org
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Contact: Mika Westerberg <mika.westerberg@linux.intel.com>
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Description: When a devices supports Thunderbolt secure connect it will
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have this attribute. Writing 32 byte hex string changes
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authorization to use the secure connection method instead.
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@ -123,14 +123,14 @@ Description: When a devices supports Thunderbolt secure connect it will
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What: /sys/bus/thunderbolt/devices/.../device
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Date: Sep 2017
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KernelVersion: 4.13
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Contact: thunderbolt-software@lists.01.org
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Contact: Mika Westerberg <mika.westerberg@linux.intel.com>
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Description: This attribute contains id of this device extracted from
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the device DROM.
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What: /sys/bus/thunderbolt/devices/.../device_name
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Date: Sep 2017
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KernelVersion: 4.13
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Contact: thunderbolt-software@lists.01.org
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Contact: Mika Westerberg <mika.westerberg@linux.intel.com>
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Description: This attribute contains name of this device extracted from
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the device DROM.
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@ -172,21 +172,21 @@ Description: This attribute reports number of TX lanes the device is
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What: /sys/bus/thunderbolt/devices/.../vendor
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Date: Sep 2017
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KernelVersion: 4.13
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Contact: thunderbolt-software@lists.01.org
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Contact: Mika Westerberg <mika.westerberg@linux.intel.com>
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Description: This attribute contains vendor id of this device extracted
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from the device DROM.
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What: /sys/bus/thunderbolt/devices/.../vendor_name
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Date: Sep 2017
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KernelVersion: 4.13
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Contact: thunderbolt-software@lists.01.org
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Contact: Mika Westerberg <mika.westerberg@linux.intel.com>
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Description: This attribute contains vendor name of this device extracted
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from the device DROM.
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What: /sys/bus/thunderbolt/devices/.../unique_id
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Date: Sep 2017
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KernelVersion: 4.13
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Contact: thunderbolt-software@lists.01.org
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Contact: Mika Westerberg <mika.westerberg@linux.intel.com>
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Description: This attribute contains unique_id string of this device.
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This is either read from hardware registers (UUID on
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newer hardware) or based on UID from the device DROM.
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@ -195,7 +195,7 @@ Description: This attribute contains unique_id string of this device.
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What: /sys/bus/thunderbolt/devices/.../nvm_version
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Date: Sep 2017
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KernelVersion: 4.13
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Contact: thunderbolt-software@lists.01.org
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Contact: Mika Westerberg <mika.westerberg@linux.intel.com>
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Description: If the device has upgradeable firmware the version
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number is available here. Format: %x.%x, major.minor.
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If the device is in safe mode reading the file returns
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@ -204,7 +204,7 @@ Description: If the device has upgradeable firmware the version
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What: /sys/bus/thunderbolt/devices/.../nvm_authenticate
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Date: Sep 2017
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KernelVersion: 4.13
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Contact: thunderbolt-software@lists.01.org
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Contact: Mika Westerberg <mika.westerberg@linux.intel.com>
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Description: When new NVM image is written to the non-active NVM
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area (through non_activeX NVMem device), the
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authentication procedure is started by writing to
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@ -246,7 +246,7 @@ Description: For supported devices, automatically authenticate the new Thunderbo
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What: /sys/bus/thunderbolt/devices/<xdomain>.<service>/key
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Date: Jan 2018
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KernelVersion: 4.15
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Contact: thunderbolt-software@lists.01.org
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Contact: Mika Westerberg <mika.westerberg@linux.intel.com>
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Description: This contains name of the property directory the XDomain
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service exposes. This entry describes the protocol in
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question. Following directories are already reserved by
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@ -261,35 +261,35 @@ Description: This contains name of the property directory the XDomain
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What: /sys/bus/thunderbolt/devices/<xdomain>.<service>/modalias
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Date: Jan 2018
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KernelVersion: 4.15
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Contact: thunderbolt-software@lists.01.org
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Contact: Mika Westerberg <mika.westerberg@linux.intel.com>
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Description: Stores the same MODALIAS value emitted by uevent for
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the XDomain service. Format: tbtsvc:kSpNvNrN
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What: /sys/bus/thunderbolt/devices/<xdomain>.<service>/prtcid
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Date: Jan 2018
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KernelVersion: 4.15
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Contact: thunderbolt-software@lists.01.org
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Contact: Mika Westerberg <mika.westerberg@linux.intel.com>
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Description: This contains XDomain protocol identifier the XDomain
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service supports.
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What: /sys/bus/thunderbolt/devices/<xdomain>.<service>/prtcvers
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Date: Jan 2018
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KernelVersion: 4.15
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Contact: thunderbolt-software@lists.01.org
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Contact: Mika Westerberg <mika.westerberg@linux.intel.com>
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Description: This contains XDomain protocol version the XDomain
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service supports.
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What: /sys/bus/thunderbolt/devices/<xdomain>.<service>/prtcrevs
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Date: Jan 2018
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KernelVersion: 4.15
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Contact: thunderbolt-software@lists.01.org
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Contact: Mika Westerberg <mika.westerberg@linux.intel.com>
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Description: This contains XDomain software version the XDomain
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service supports.
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What: /sys/bus/thunderbolt/devices/<xdomain>.<service>/prtcstns
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Date: Jan 2018
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KernelVersion: 4.15
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Contact: thunderbolt-software@lists.01.org
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Contact: Mika Westerberg <mika.westerberg@linux.intel.com>
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Description: This contains XDomain service specific settings as
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bitmask. Format: %x
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@ -12,7 +12,7 @@
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#include "tb.h"
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static acpi_status tb_acpi_add_link(acpi_handle handle, u32 level, void *data,
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void **return_value)
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void **ret)
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{
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struct acpi_device *adev = acpi_fetch_acpi_dev(handle);
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struct fwnode_handle *fwnode;
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@ -84,6 +84,7 @@ static acpi_status tb_acpi_add_link(acpi_handle handle, u32 level, void *data,
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if (link) {
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dev_dbg(&nhi->pdev->dev, "created link from %s\n",
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dev_name(&pdev->dev));
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*(bool *)ret = true;
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} else {
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dev_warn(&nhi->pdev->dev, "device link creation from %s failed\n",
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dev_name(&pdev->dev));
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@ -104,22 +105,29 @@ out_put:
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* Goes over ACPI namespace finding tunneled ports that reference to
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* @nhi ACPI node. For each reference a device link is added. The link
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* is automatically removed by the driver core.
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*
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* Returns %true if at least one link was created.
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*/
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void tb_acpi_add_links(struct tb_nhi *nhi)
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bool tb_acpi_add_links(struct tb_nhi *nhi)
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{
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acpi_status status;
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bool ret = false;
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if (!has_acpi_companion(&nhi->pdev->dev))
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return;
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return false;
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/*
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* Find all devices that have usb4-host-controller interface
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* property that references to this NHI.
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*/
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status = acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, 32,
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tb_acpi_add_link, NULL, nhi, NULL);
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if (ACPI_FAILURE(status))
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tb_acpi_add_link, NULL, nhi, (void **)&ret);
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if (ACPI_FAILURE(status)) {
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dev_warn(&nhi->pdev->dev, "failed to enumerate tunneled ports\n");
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return false;
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}
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return ret;
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}
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/**
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@ -2188,46 +2188,47 @@ struct device_type tb_switch_type = {
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static int tb_switch_get_generation(struct tb_switch *sw)
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{
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switch (sw->config.device_id) {
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case PCI_DEVICE_ID_INTEL_LIGHT_RIDGE:
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case PCI_DEVICE_ID_INTEL_EAGLE_RIDGE:
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case PCI_DEVICE_ID_INTEL_LIGHT_PEAK:
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case PCI_DEVICE_ID_INTEL_CACTUS_RIDGE_2C:
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case PCI_DEVICE_ID_INTEL_CACTUS_RIDGE_4C:
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case PCI_DEVICE_ID_INTEL_PORT_RIDGE:
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case PCI_DEVICE_ID_INTEL_REDWOOD_RIDGE_2C_BRIDGE:
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case PCI_DEVICE_ID_INTEL_REDWOOD_RIDGE_4C_BRIDGE:
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return 1;
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if (tb_switch_is_usb4(sw))
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return 4;
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case PCI_DEVICE_ID_INTEL_WIN_RIDGE_2C_BRIDGE:
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case PCI_DEVICE_ID_INTEL_FALCON_RIDGE_2C_BRIDGE:
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case PCI_DEVICE_ID_INTEL_FALCON_RIDGE_4C_BRIDGE:
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return 2;
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if (sw->config.vendor_id == PCI_VENDOR_ID_INTEL) {
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switch (sw->config.device_id) {
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case PCI_DEVICE_ID_INTEL_LIGHT_RIDGE:
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case PCI_DEVICE_ID_INTEL_EAGLE_RIDGE:
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case PCI_DEVICE_ID_INTEL_LIGHT_PEAK:
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case PCI_DEVICE_ID_INTEL_CACTUS_RIDGE_2C:
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case PCI_DEVICE_ID_INTEL_CACTUS_RIDGE_4C:
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case PCI_DEVICE_ID_INTEL_PORT_RIDGE:
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case PCI_DEVICE_ID_INTEL_REDWOOD_RIDGE_2C_BRIDGE:
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case PCI_DEVICE_ID_INTEL_REDWOOD_RIDGE_4C_BRIDGE:
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return 1;
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case PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_LP_BRIDGE:
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case PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_2C_BRIDGE:
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case PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_4C_BRIDGE:
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case PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_C_2C_BRIDGE:
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case PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_C_4C_BRIDGE:
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case PCI_DEVICE_ID_INTEL_TITAN_RIDGE_2C_BRIDGE:
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case PCI_DEVICE_ID_INTEL_TITAN_RIDGE_4C_BRIDGE:
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case PCI_DEVICE_ID_INTEL_TITAN_RIDGE_DD_BRIDGE:
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case PCI_DEVICE_ID_INTEL_ICL_NHI0:
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case PCI_DEVICE_ID_INTEL_ICL_NHI1:
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return 3;
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case PCI_DEVICE_ID_INTEL_WIN_RIDGE_2C_BRIDGE:
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case PCI_DEVICE_ID_INTEL_FALCON_RIDGE_2C_BRIDGE:
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case PCI_DEVICE_ID_INTEL_FALCON_RIDGE_4C_BRIDGE:
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return 2;
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default:
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if (tb_switch_is_usb4(sw))
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return 4;
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/*
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* For unknown switches assume generation to be 1 to be
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* on the safe side.
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*/
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tb_sw_warn(sw, "unsupported switch device id %#x\n",
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sw->config.device_id);
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return 1;
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case PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_LP_BRIDGE:
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case PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_2C_BRIDGE:
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case PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_4C_BRIDGE:
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case PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_C_2C_BRIDGE:
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case PCI_DEVICE_ID_INTEL_ALPINE_RIDGE_C_4C_BRIDGE:
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case PCI_DEVICE_ID_INTEL_TITAN_RIDGE_2C_BRIDGE:
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case PCI_DEVICE_ID_INTEL_TITAN_RIDGE_4C_BRIDGE:
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case PCI_DEVICE_ID_INTEL_TITAN_RIDGE_DD_BRIDGE:
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case PCI_DEVICE_ID_INTEL_ICL_NHI0:
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case PCI_DEVICE_ID_INTEL_ICL_NHI1:
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return 3;
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}
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}
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/*
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* For unknown switches assume generation to be 1 to be on the
|
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* safe side.
|
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*/
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tb_sw_warn(sw, "unsupported switch device id %#x\n",
|
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sw->config.device_id);
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return 1;
|
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}
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|
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static bool tb_switch_exceeds_max_depth(const struct tb_switch *sw, int depth)
|
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|
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@ -2368,12 +2368,13 @@ static const struct tb_cm_ops tb_cm_ops = {
|
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* downstream ports and the NHI so that the device core will make sure
|
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* NHI is resumed first before the rest.
|
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*/
|
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static void tb_apple_add_links(struct tb_nhi *nhi)
|
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static bool tb_apple_add_links(struct tb_nhi *nhi)
|
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{
|
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struct pci_dev *upstream, *pdev;
|
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bool ret;
|
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|
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if (!x86_apple_machine)
|
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return;
|
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return false;
|
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|
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switch (nhi->pdev->device) {
|
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case PCI_DEVICE_ID_INTEL_LIGHT_RIDGE:
|
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@ -2382,26 +2383,27 @@ static void tb_apple_add_links(struct tb_nhi *nhi)
|
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case PCI_DEVICE_ID_INTEL_FALCON_RIDGE_4C_NHI:
|
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break;
|
||||
default:
|
||||
return;
|
||||
return false;
|
||||
}
|
||||
|
||||
upstream = pci_upstream_bridge(nhi->pdev);
|
||||
while (upstream) {
|
||||
if (!pci_is_pcie(upstream))
|
||||
return;
|
||||
return false;
|
||||
if (pci_pcie_type(upstream) == PCI_EXP_TYPE_UPSTREAM)
|
||||
break;
|
||||
upstream = pci_upstream_bridge(upstream);
|
||||
}
|
||||
|
||||
if (!upstream)
|
||||
return;
|
||||
return false;
|
||||
|
||||
/*
|
||||
* For each hotplug downstream port, create add device link
|
||||
* back to NHI so that PCIe tunnels can be re-established after
|
||||
* sleep.
|
||||
*/
|
||||
ret = false;
|
||||
for_each_pci_bridge(pdev, upstream->subordinate) {
|
||||
const struct device_link *link;
|
||||
|
||||
@ -2417,11 +2419,14 @@ static void tb_apple_add_links(struct tb_nhi *nhi)
|
||||
if (link) {
|
||||
dev_dbg(&nhi->pdev->dev, "created link from %s\n",
|
||||
dev_name(&pdev->dev));
|
||||
ret = true;
|
||||
} else {
|
||||
dev_warn(&nhi->pdev->dev, "device link creation from %s failed\n",
|
||||
dev_name(&pdev->dev));
|
||||
}
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
struct tb *tb_probe(struct tb_nhi *nhi)
|
||||
@ -2448,8 +2453,13 @@ struct tb *tb_probe(struct tb_nhi *nhi)
|
||||
|
||||
tb_dbg(tb, "using software connection manager\n");
|
||||
|
||||
tb_apple_add_links(nhi);
|
||||
tb_acpi_add_links(nhi);
|
||||
/*
|
||||
* Device links are needed to make sure we establish tunnels
|
||||
* before the PCIe/USB stack is resumed so complain here if we
|
||||
* found them missing.
|
||||
*/
|
||||
if (!tb_apple_add_links(nhi) && !tb_acpi_add_links(nhi))
|
||||
tb_warn(tb, "device links to tunneled native ports are missing!\n");
|
||||
|
||||
return tb;
|
||||
}
|
||||
|
||||
@ -1333,7 +1333,7 @@ static inline bool usb4_port_device_is_offline(const struct usb4_port *usb4)
|
||||
void tb_check_quirks(struct tb_switch *sw);
|
||||
|
||||
#ifdef CONFIG_ACPI
|
||||
void tb_acpi_add_links(struct tb_nhi *nhi);
|
||||
bool tb_acpi_add_links(struct tb_nhi *nhi);
|
||||
|
||||
bool tb_acpi_is_native(void);
|
||||
bool tb_acpi_may_tunnel_usb3(void);
|
||||
@ -1346,7 +1346,7 @@ void tb_acpi_exit(void);
|
||||
int tb_acpi_power_on_retimers(struct tb_port *port);
|
||||
int tb_acpi_power_off_retimers(struct tb_port *port);
|
||||
#else
|
||||
static inline void tb_acpi_add_links(struct tb_nhi *nhi) { }
|
||||
static inline bool tb_acpi_add_links(struct tb_nhi *nhi) { return false; }
|
||||
|
||||
static inline bool tb_acpi_is_native(void) { return true; }
|
||||
static inline bool tb_acpi_may_tunnel_usb3(void) { return true; }
|
||||
|
||||
@ -19,7 +19,7 @@ static const unsigned int tmu_rates[] = {
|
||||
[TB_SWITCH_TMU_MODE_MEDRES_ENHANCED_UNI] = 16,
|
||||
};
|
||||
|
||||
const struct {
|
||||
static const struct {
|
||||
unsigned int freq_meas_window;
|
||||
unsigned int avg_const;
|
||||
unsigned int delta_avg_const;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user