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Partially revert "thunderbolt: test: Remove some casts which are no
longer required". It turns out that typeof() doesn't support bitfields,
so these still need to be cast to the appropriate enum.
The only mention of typeof() and bitfields I can find is in the proposal
to standardise them:
http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2619.htm
This was caught by the kernel test robot:
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org/thread/FDKBHAV7QNLNFU5NBI2RKV56DWDSOLGM/
Fixes: 8f0877c26e ("thunderbolt: test: Remove some casts which are no longer required")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
With some of the stricter type checking in KUnit's EXPECT macros
removed, several casts in the thunderbolt KUnit tests are no longer
required.
Remove the unnecessary casts, making the conditions clearer.
Signed-off-by: David Gow <davidgow@google.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This includes following Thunderbolt/USB4 changes for v5.13 merge window:
* Debugfs improvements
* Align the inter-domain (peer-to-peer) support with the USB4
inter-domain spec for better interoperability
* Add support for USB4 DROM and the new product descriptor
* More KUnit tests
* Detailed uevent for routers
* Few miscellaneous improvements
All these have been in linux-next without reported issues.
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Merge tag 'thunderbolt-for-v5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt into usb-next
Mika writes:
thunderbolt: Changes for v5.13 merge window
This includes following Thunderbolt/USB4 changes for v5.13 merge window:
* Debugfs improvements
* Align the inter-domain (peer-to-peer) support with the USB4
inter-domain spec for better interoperability
* Add support for USB4 DROM and the new product descriptor
* More KUnit tests
* Detailed uevent for routers
* Few miscellaneous improvements
All these have been in linux-next without reported issues.
* tag 'thunderbolt-for-v5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt: (24 commits)
thunderbolt: Hide authorized attribute if router does not support PCIe tunnels
thunderbolt: Add details to router uevent
thunderbolt: Unlock on error path in tb_domain_add()
thunderbolt: Add support for USB4 DROM
thunderbolt: Check quirks in tb_switch_add()
thunderbolt: Add KUnit tests for DMA tunnels
thunderbolt: Add KUnit tests for XDomain properties
net: thunderbolt: Align the driver to the USB4 networking spec
thunderbolt: Allow multiple DMA tunnels over a single XDomain connection
thunderbolt: Drop unused tb_port_set_initial_credits()
thunderbolt: Use dedicated flow control for DMA tunnels
thunderbolt: Add support for maxhopid XDomain property
thunderbolt: Add tb_property_copy_dir()
thunderbolt: Align XDomain protocol timeouts with the spec
thunderbolt: Use pseudo-random number as initial property block generation
thunderbolt: Do not re-establish XDomain DMA paths automatically
thunderbolt: Add more logging to XDomain connections
Documentation / thunderbolt: Drop speed/lanes entries for XDomain
thunderbolt: Decrease control channel timeout for software connection manager
thunderbolt: Do not pass timeout for tb_cfg_reset()
...
With USB4 devices PCIe tunneling is optional so for device routers
without PCIe upstream adapter it does not make much sense to expose the
authorized attribute. For this reason hide it if PCIe tunneling is not
supported by the device router.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Expose two environment variables for routers as part of the initial
uevent:
USB4_VERSION=1.0
USB4_TYPE=host|device|hub
Userspace can use this information to expose more details about each
connected device. Only USB4 devices have USB4_VERSION but all devices
have USB4_TYPE.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This array uses 1-based indexing so it corrupts memory one element
beyond of the array. Fix it by making the array one element larger.
Fixes: dacb12877d ("thunderbolt: Add support for on-board retimers")
Cc: stable@vger.kernel.org
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
After the device_register() succeeds, then the correct way to clean up
is to call device_unregister(). The unregister calls both device_del()
and device_put(). Since this code was only device_del() it results in
a memory leak.
Fixes: dacb12877d ("thunderbolt: Add support for on-board retimers")
Cc: stable@vger.kernel.org
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
We accidentally deleted this unlock on the error path. Undelete it.
Fixes: 7f0a34d790 ("thunderbolt: Decrease control channel timeout for software connection manager")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
USB4 router DROM differs sligthly from Thunderbolt 1-3 DROM. For
instance it does not include UID and CRC8 in the header section, and it
has product descriptor genereric entry to describe the product IDs and
related information. If the "Version" field in the DROM header section
reads 3 it means the router only has USB4 DROM and if it reads 1 it
means the router supports TBT3 compatible DROM.
For this reason, update the DROM parsing code to support "pure" USB4
DROMs too.
While there drop the extra empty line at the end of tb_drom_read().
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Currently we have had an artificial limitation of a single DMA tunnel
per XDomain connection. However, hardware wise there is no such limit
and software based connection manager can take advantage of all the DMA
rings available on the host to establish tunnels.
For this reason make the tb_xdomain_[enable|disable]_paths() to take the
DMA ring and HopID as parameter instead of storing them in the struct
tb_xdomain. We also add API functions to allocate input and output
HopIDs of the XDomain connection that the service drivers can use
instead of hard-coding.
Also convert the two existing service drivers over to this API.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
The USB4 inter-domain service spec recommends using dedicated flow
control scheme so update the driver accordingly.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
USB4 inter-domain spec mandates that the compatible hosts expose a new
property "maxhopid" that tells the connection manager on the other side
what is the maximum supported input HopID over the connection. Since
this is depend on the lane adapter the cable is connected it needs to be
filled in dynamically.
For this reason we take a copy of the global properties and fill then
for each XDomain connection upon first connect, and then keep updating
it if the generation changes as services are being added/removed. We
also take advantage of this copy to fill in the hostname.
We also expose this maxhopid as an attribute under each XDomain device.
While there drop kernel-doc entry for property_lock which seems to be
left there when the structure was originally introduced.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
This function takes a deep copy of the properties. We need this in order
to support more dynamic properties per XDomain connection as required by
the USB4 inter-domain service spec.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
The USB4 inter-domain service spec has slightly different recommended
timeouts for the XDomain protocol so align the driver with those.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
As recommended by USB4 inter-domain service spec use pseudo-random value
instead of zero as initial XDomain property block generation value.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
This step is actually not needed. The service drivers themselves will
handle this once they have negotiated the service up and running again
with the remote side. Also dropping this makes it easier to add support
for multiple DMA tunnels over a single XDomain connection.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Currently the driver is pretty quiet when another host is connected
which makes debugging possible issues harder. For this reason add more
logging on debug level that can be turned on as needed.
While there log the host-to-host connection on info level analogous to
routers and retimers.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
When the firmware connection manager is not proxying between the
software and the hardware we can decrease the timeout for control
packets significantly. The USB4 spec recommends 10 ms +- 1 ms but we use
slightly larger value (100 ms) which is recommendation from Intel
Thunderbolt firmware folks. When firmware connection manager is running
then we keep using the existing 5000 ms.
To implement this we move the control channel allocation to
tb_domain_alloc(), and pass the timeout from that function to the
tb_ctl_alloc(). Then make both connection manager implementations pass
the timeout when they alloc the domain structure.
While there update kernel-doc of struct tb_ctl to match the reality.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
There is only one user for this function and it passes the default
timeout to it anyway, so remove the parameter completely. This is also
needed in the subsequent patch where we allow connection manager
implementations to use different timeout for non-raw control channel
messages.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
In most cases the response packet is lost because the router in question
was disconnected by the user. Resending the control packet in that case
just adds unnecessary delays, so disable that for intra-domain control
packets. For inter-domain (XDomain) packets we continue retrying.
This also aligns the driver better what the Intel connection manager
firmware is doing.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Currently, when first failure occurs while reading of the block,
we stop reading the block and jump to the next capability.
This doesn't cover the case of block with "holes" of inaccessible
dwords, followed by accessible dwords.
This patch address this problem.
In case of failure while reading the complete block in one transaction,
(because of one or more dwords is inaccessible), we read the remaining
dwords of the block dword-by-dword, one dword per transaction,
till the end of the block.
By doing this, we handle the case of block with "holes" of inaccessible
dwords, followed by accessible dwords. The accessible dwords are shown
with the fields: <offset> <relative_offset> <cap_id> <vs_cap_id> <value>
E.g.:
0x01eb 236 0x05 0x06 0x0000d166
While the inaccesible dwords are shown as: <offset> <not accessible>
E.g.:
0x01ed <not accessible>
Signed-off-by: Gil Fine <gil.fine@intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
If the driver is unbound and then bound back it goes over the topology
and figure out the existing tunnels. However, if it finds DP tunnel it
should make sure the domain does not runtime suspend as otherwise it
will tear down the DP tunnel unexpectedly.
Fixes: 6ac6faee5d ("thunderbolt: Add runtime PM for Software CM")
Cc: stable@vger.kernel.org
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
If there is a failure before the tb_switch_add() is called the switch
object is released by tb_switch_release() but at that point HopID IDAs
have not yet been initialized. So we see splat like this:
BUG: spinlock bad magic on CPU#2, kworker/u8:5/115
...
Workqueue: thunderbolt0 tb_handle_hotplug
Call Trace:
dump_stack+0x97/0xdc
? spin_bug+0x9a/0xa7
do_raw_spin_lock+0x68/0x98
_raw_spin_lock_irqsave+0x3f/0x5d
ida_destroy+0x4f/0x127
tb_switch_release+0x6d/0xfd
device_release+0x2c/0x7d
kobject_put+0x9b/0xbc
tb_handle_hotplug+0x278/0x452
process_one_work+0x1db/0x396
worker_thread+0x216/0x375
kthread+0x14d/0x155
? pr_cont_work+0x58/0x58
? kthread_blkcg+0x2e/0x2e
ret_from_fork+0x1f/0x40
Fix this by always initializing HopID IDAs in tb_switch_alloc().
Fixes: 0b2863ac3c ("thunderbolt: Add functions for allocating and releasing HopIDs")
Cc: stable@vger.kernel.org
Reported-by: Chiranjeevi Rapolu <chiranjeevi.rapolu@intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Drop the two functions not used anymore in the driver.
Signed-off-by: Gil Fine <gil.fine@intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
There are cases when reading block of dwords in single transaction fail,
for several reasons, mostly if HW publish to implement all of the dwords,
while actually it doesn't or if some dwords not accessible for read
for security reasons. We handle these cases by trying to read the block,
dword-by-dword, one dword per transaction, till we get a failure.
Signed-off-by: Gil Fine <gil.fine@intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
This includes following Thunderbolt/USB4 changes for v5.12 merge
window:
* Start lane initialization after sleep for Thunderbolt 3 compatible
devices
* Add support for de-authorizing PCIe tunnels (software based
connection manager only)
* Add support for new ACPI 6.4 USB4 _OSC
* Allow disabling XDomain protocol
* Add support for new SL5 security level
* Clean up kernel-docs to pass W=1 builds
* A couple of cleanups and minor fixes
All these have been in linux-next without reported issues.
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Merge tag 'thunderbolt-for-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt into usb-next
Mika writes:
thunderbolt: Changes for v5.12 merge window
This includes following Thunderbolt/USB4 changes for v5.12 merge
window:
* Start lane initialization after sleep for Thunderbolt 3 compatible
devices
* Add support for de-authorizing PCIe tunnels (software based
connection manager only)
* Add support for new ACPI 6.4 USB4 _OSC
* Allow disabling XDomain protocol
* Add support for new SL5 security level
* Clean up kernel-docs to pass W=1 builds
* A couple of cleanups and minor fixes
All these have been in linux-next without reported issues.
* tag 'thunderbolt-for-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt: (27 commits)
thunderbolt: Add support for native USB4 _OSC
ACPI: Add support for native USB4 control _OSC
ACPI: Execute platform _OSC also with query bit clear
thunderbolt: Allow disabling XDomain protocol
thunderbolt: Add support for PCIe tunneling disabled (SL5)
thunderbolt: dma_test: Drop unnecessary include
thunderbolt: Add clarifying comments about USB4 terms router and adapter
thunderbolt: switch: Fix kernel-doc descriptions of non-static functions
thunderbolt: nhi: Fix kernel-doc descriptions of non-static functions
thunderbolt: path: Fix kernel-doc descriptions of non-static functions
thunderbolt: eeprom: Fix kernel-doc descriptions of non-static functions
thunderbolt: ctl: Fix kernel-doc descriptions of non-static functions
thunderbolt: switch: Fix function name in the header
thunderbolt: tunnel: Fix misspelling of 'receive_path'
thunderbolt: icm: Fix a couple of formatting issues
thunderbolt: switch: Demote a bunch of non-conformant kernel-doc headers
thunderbolt: tb: Kernel-doc function headers should document their parameters
thunderbolt: nhi: Demote some non-conformant kernel-doc headers
thunderbolt: xdomain: Fix 'tb_unregister_service_driver()'s 'drv' param
thunderbolt: eeprom: Demote non-conformant kernel-doc headers to standard comment blocks
...
ACPI 6.4 introduced a new _OSC capability used to negotiate whether the
OS is supposed to use Software (native) or Firmware based Connection
Manager. If the native support is granted then there are set of bits
that enable/disable different tunnel types that the Software Connection
Manager is allowed to tunnel.
This adds support for this new USB4 _OSC accordingly. When PCIe
tunneling is disabled then the driver switches security level to be
"nopcie" following the security level 5 used in Firmware based
Connection Manager.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Yehezkel Bernat <YehezkelShB@gmail.com>
This allows disabling XDomain protocol completely if the user does not
plan to use the USB4/Thunderbolt peer-to-peer functionality, or for
security reasons.
XDomain protocol is enabled by default but with this commit it is
possible to disable it by passing "xdomain=0" as module parameter (or
through the kernel command line).
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Yehezkel Bernat <YehezkelShB@gmail.com>
Recent Intel Thunderbolt firmware connection manager has support for
another security level, SL5, that disables PCIe tunneling. This option
can be turned on from the BIOS.
When this is set the driver exposes a new security level "nopcie" to the
userspace and hides the authorized attribute under connected devices.
While there we also hide it when "dponly" security level is enabled
since it is not really usable in that case anyway.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Yehezkel Bernat <YehezkelShB@gmail.com>
USB4 spec talks about routers and adapters whereas Thunderbolt 1-3
talked about CIO (Converged I/O) switches and ports. These are the same
thing but might cause confusion so add clarifying comments to struct
tb_switch and struct tb_port about the USB4 terms.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Fix kernel-doc descriptions of all non-static functions. This also gets
rid of the warnings on W=1 build.
Reported-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Lee Jones <lee.jones@linaro.org>
Fix kernel-doc descriptions of the two non-static functions. This also
gets rids of the warnings on W=1 build.
Reported-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Lee Jones <lee.jones@linaro.org>
Fix kernel-doc descriptions of the two non-static functions. This also
gets rid of the warnings on W=1 build.
Reported-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Lee Jones <lee.jones@linaro.org>
Fix kernel-doc descriptions of the two non-static functions. This also
gets rid of the rest of the warnings on W=1 build.
Reported-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Lee Jones <lee.jones@linaro.org>
Fix kernel-doc descriptions of all non-static functions and struct
tb_cfg. Gets rid of several warnings on W=1 builds too.
Reported-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Lee Jones <lee.jones@linaro.org>
When we walk up the device hierarchy in tb_acpi_add_link() make sure we
break the loop if the device has no parent. Otherwise we may crash the
kernel by dereferencing a NULL pointer.
Fixes: b2be2b05cf ("thunderbolt: Create device links from ACPI description")
Cc: stable@vger.kernel.org
Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Acked-by: Yehezkel Bernat <YehezkelShB@gmail.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Fixes the following W=1 kernel build warning(s):
drivers/thunderbolt/switch.c:1322: warning: expecting prototype for reset_switch(). Prototype was for tb_switch_reset() instead
Cc: Andreas Noever <andreas.noever@gmail.com>
Cc: Michael Jamet <michael.jamet@intel.com>
Cc: Yehezkel Bernat <YehezkelShB@gmail.com>
Cc: linux-usb@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Fixes the following W=1 kernel build warning(s):
drivers/thunderbolt/tunnel.c:841: warning: Function parameter or member 'receive_path' not described in 'tb_tunnel_alloc_dma'
drivers/thunderbolt/tunnel.c:841: warning: Excess function parameter 'reveive_path' description in 'tb_tunnel_alloc_dma'
Cc: Andreas Noever <andreas.noever@gmail.com>
Cc: Michael Jamet <michael.jamet@intel.com>
Cc: Yehezkel Bernat <YehezkelShB@gmail.com>
Cc: linux-usb@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Fixes the following W=1 kernel build warning(s):
drivers/thunderbolt/icm.c:122: warning: Function parameter or member 'xdomain_connected' not described in 'icm'
drivers/thunderbolt/icm.c:122: warning: Function parameter or member 'xdomain_disconnected' not described in 'icm'
Cc: Andreas Noever <andreas.noever@gmail.com>
Cc: Michael Jamet <michael.jamet@intel.com>
Cc: Yehezkel Bernat <YehezkelShB@gmail.com>
Cc: linux-usb@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Fixes the following W=1 kernel build warning(s):
drivers/thunderbolt/switch.c:730: warning: Function parameter or member 'port' not described in 'tb_init_port'
drivers/thunderbolt/switch.c:1348: warning: Function parameter or member 'sw' not described in 'tb_plug_events_active'
drivers/thunderbolt/switch.c:1348: warning: Function parameter or member 'active' not described in 'tb_plug_events_active'
Cc: Andreas Noever <andreas.noever@gmail.com>
Cc: Michael Jamet <michael.jamet@intel.com>
Cc: Yehezkel Bernat <YehezkelShB@gmail.com>
Cc: linux-usb@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
[ mw: Demote only static functions ]
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Fixes the following W=1 kernel build warning(s):
drivers/thunderbolt/tb.c:535: warning: Function parameter or member 'sw' not described in 'tb_scan_switch'
drivers/thunderbolt/tb.c:551: warning: Function parameter or member 'port' not described in 'tb_scan_port'
drivers/thunderbolt/tb.c:711: warning: Function parameter or member 'tb' not described in 'tb_free_invalid_tunnels'
drivers/thunderbolt/tb.c:726: warning: Function parameter or member 'sw' not described in 'tb_free_unplugged_children'
drivers/thunderbolt/tb.c:1129: warning: Function parameter or member 'work' not described in 'tb_handle_hotplug'
drivers/thunderbolt/tb.c:1239: warning: Function parameter or member 'tb' not described in 'tb_handle_event'
drivers/thunderbolt/tb.c:1239: warning: Function parameter or member 'type' not described in 'tb_handle_event'
drivers/thunderbolt/tb.c:1239: warning: Function parameter or member 'buf' not described in 'tb_handle_event'
drivers/thunderbolt/tb.c:1239: warning: Function parameter or member 'size' not described in 'tb_handle_event'
drivers/thunderbolt/tb.c:1239: warning: expecting prototype for tb_schedule_hotplug_handler(). Prototype was for tb_handle_event() instead
Cc: Andreas Noever <andreas.noever@gmail.com>
Cc: Michael Jamet <michael.jamet@intel.com>
Cc: Yehezkel Bernat <YehezkelShB@gmail.com>
Cc: linux-usb@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Fixes the following W=1 kernel build warning(s):
drivers/thunderbolt/nhi.c:53: warning: Function parameter or member 'ring' not described in 'ring_interrupt_active'
drivers/thunderbolt/nhi.c:53: warning: Function parameter or member 'active' not described in 'ring_interrupt_active'
drivers/thunderbolt/nhi.c:114: warning: Function parameter or member 'nhi' not described in 'nhi_disable_interrupts'
drivers/thunderbolt/nhi.c:191: warning: Function parameter or member 'ring' not described in 'ring_write_descriptors'
drivers/thunderbolt/nhi.c:225: warning: Function parameter or member 'work' not described in 'ring_work'
Cc: Andreas Noever <andreas.noever@gmail.com>
Cc: Michael Jamet <michael.jamet@intel.com>
Cc: Yehezkel Bernat <YehezkelShB@gmail.com>
Cc: linux-usb@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
[ mw: Demote only static functions ]
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Fixes the following W=1 kernel build warning(s):
drivers/thunderbolt/xdomain.c:678: warning: Function parameter or member 'drv' not described in 'tb_unregister_service_driver'
drivers/thunderbolt/xdomain.c:678: warning: Excess function parameter 'xdrv' description in 'tb_unregister_service_driver'
Cc: Andreas Noever <andreas.noever@gmail.com>
Cc: Michael Jamet <michael.jamet@intel.com>
Cc: Yehezkel Bernat <YehezkelShB@gmail.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Jesper Dangaard Brouer <hawk@kernel.org>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: linux-usb@vger.kernel.org
Cc: netdev@vger.kernel.org
Cc: bpf@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Fixes the following W=1 kernel build warning(s):
drivers/thunderbolt/eeprom.c:19: warning: Function parameter or member 'sw' not described in 'tb_eeprom_ctl_write'
drivers/thunderbolt/eeprom.c:19: warning: Function parameter or member 'ctl' not described in 'tb_eeprom_ctl_write'
drivers/thunderbolt/eeprom.c:27: warning: Function parameter or member 'sw' not described in 'tb_eeprom_ctl_read'
drivers/thunderbolt/eeprom.c:27: warning: Function parameter or member 'ctl' not described in 'tb_eeprom_ctl_read'
drivers/thunderbolt/eeprom.c:27: warning: expecting prototype for tb_eeprom_ctl_write(). Prototype was for tb_eeprom_ctl_read() instead
drivers/thunderbolt/eeprom.c:43: warning: Function parameter or member 'sw' not described in 'tb_eeprom_active'
drivers/thunderbolt/eeprom.c:43: warning: Function parameter or member 'enable' not described in 'tb_eeprom_active'
drivers/thunderbolt/eeprom.c:73: warning: Function parameter or member 'sw' not described in 'tb_eeprom_transfer'
drivers/thunderbolt/eeprom.c:73: warning: Function parameter or member 'ctl' not described in 'tb_eeprom_transfer'
drivers/thunderbolt/eeprom.c:73: warning: Function parameter or member 'direction' not described in 'tb_eeprom_transfer'
drivers/thunderbolt/eeprom.c:97: warning: Function parameter or member 'sw' not described in 'tb_eeprom_out'
drivers/thunderbolt/eeprom.c:97: warning: Function parameter or member 'val' not described in 'tb_eeprom_out'
drivers/thunderbolt/eeprom.c:117: warning: Function parameter or member 'sw' not described in 'tb_eeprom_in'
drivers/thunderbolt/eeprom.c:117: warning: Function parameter or member 'val' not described in 'tb_eeprom_in'
drivers/thunderbolt/eeprom.c:138: warning: Function parameter or member 'sw' not described in 'tb_eeprom_get_drom_offset'
drivers/thunderbolt/eeprom.c:138: warning: Function parameter or member 'offset' not described in 'tb_eeprom_get_drom_offset'
drivers/thunderbolt/eeprom.c:170: warning: Function parameter or member 'sw' not described in 'tb_eeprom_read_n'
drivers/thunderbolt/eeprom.c:170: warning: Function parameter or member 'offset' not described in 'tb_eeprom_read_n'
drivers/thunderbolt/eeprom.c:170: warning: Function parameter or member 'val' not described in 'tb_eeprom_read_n'
drivers/thunderbolt/eeprom.c:170: warning: Function parameter or member 'count' not described in 'tb_eeprom_read_n'
drivers/thunderbolt/eeprom.c:383: warning: Function parameter or member 'sw' not described in 'tb_drom_parse_entries'
drivers/thunderbolt/eeprom.c:417: warning: Function parameter or member 'sw' not described in 'tb_drom_copy_efi'
drivers/thunderbolt/eeprom.c:417: warning: Function parameter or member 'size' not described in 'tb_drom_copy_efi'
Cc: Andreas Noever <andreas.noever@gmail.com>
Cc: Michael Jamet <michael.jamet@intel.com>
Cc: Yehezkel Bernat <YehezkelShB@gmail.com>
Cc: linux-usb@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
[ mw: Demote only static functions ]
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Fixes the following W=1 kernel build warning(s):
drivers/thunderbolt/ctl.c:38: warning: expecting prototype for struct tb_cfg. Prototype was for struct tb_ctl instead
drivers/thunderbolt/ctl.c:350: warning: Function parameter or member 'ctl' not described in 'tb_ctl_tx'
drivers/thunderbolt/ctl.c:350: warning: Function parameter or member 'data' not described in 'tb_ctl_tx'
drivers/thunderbolt/ctl.c:350: warning: Function parameter or member 'len' not described in 'tb_ctl_tx'
drivers/thunderbolt/ctl.c:350: warning: Function parameter or member 'type' not described in 'tb_ctl_tx'
drivers/thunderbolt/ctl.c:350: warning: expecting prototype for tb_cfg_tx(). Prototype was for tb_ctl_tx() instead
drivers/thunderbolt/ctl.c:383: warning: Function parameter or member 'ctl' not described in 'tb_ctl_handle_event'
drivers/thunderbolt/ctl.c:383: warning: Function parameter or member 'type' not described in 'tb_ctl_handle_event'
drivers/thunderbolt/ctl.c:383: warning: Function parameter or member 'pkg' not described in 'tb_ctl_handle_event'
drivers/thunderbolt/ctl.c:383: warning: Function parameter or member 'size' not described in 'tb_ctl_handle_event'
Cc: Andreas Noever <andreas.noever@gmail.com>
Cc: Michael Jamet <michael.jamet@intel.com>
Cc: Yehezkel Bernat <YehezkelShB@gmail.com>
Cc: linux-usb@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
[ mw: Demote only static functions ]
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
