Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'sof_timer' not described in 'octeon_hcd'

From: kernel test robot

Date: Thu Oct 15 2026 - 11:23:33 EST


Hi Orgad,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 0fcb05b72344f40806cbe810de8872f1698bf053
commit: aebbc7d63407f843a1c74806041792db65d69a51 usb: octeon-hcd: sleep on an hrtimer for far-off periodic transfers
date: 5 weeks ago
config: mips-randconfig-r2105-20261015 (https://download.01.org/0day-ci/archive/20261015/202610151637.5srThc2q-lkp@xxxxxxxxx/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 8a679464f19c426ef76aad9f4587b703dd3e584d)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261015/202610151637.5srThc2q-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Fixes: aebbc7d63407 ("usb: octeon-hcd: sleep on an hrtimer for far-off periodic transfers")
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202610151637.5srThc2q-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

Warning: drivers/usb/host/octeon-hcd.c:159 struct member 'reserved' not described in 'cvmx_usb_port_status'
Warning: drivers/usb/host/octeon-hcd.c:235 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Logical transactions may take numerous low level
Warning: drivers/usb/host/octeon-hcd.c:288 struct member 'xfersize' not described in 'cvmx_usb_transaction'
Warning: drivers/usb/host/octeon-hcd.c:288 struct member 'pktcnt' not described in 'cvmx_usb_transaction'
Warning: drivers/usb/host/octeon-hcd.c:288 struct member 'retries' not described in 'cvmx_usb_transaction'
Warning: drivers/usb/host/octeon-hcd.c:288 Excess struct member 'flags' description in 'cvmx_usb_transaction'
Warning: drivers/usb/host/octeon-hcd.c:335 Excess struct member 'next' description in 'cvmx_usb_pipe' (did you mean one of: 'next_tx_frame')
Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'lock' not described in 'octeon_hcd'
Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'init_flags' not described in 'octeon_hcd'
Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'index' not described in 'octeon_hcd'
Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'idle_hardware_channels' not described in 'octeon_hcd'
Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'usbcx_hprt' not described in 'octeon_hcd'
Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'pipe_for_channel' not described in 'octeon_hcd'
Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'indent' not described in 'octeon_hcd'
Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'port_status' not described in 'octeon_hcd'
Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'idle_pipes' not described in 'octeon_hcd'
Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'active_pipes' not described in 'octeon_hcd'
Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'frame_number' not described in 'octeon_hcd'
Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'active_split' not described in 'octeon_hcd'
Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'periodic' not described in 'octeon_hcd'
Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'nonperiodic' not described in 'octeon_hcd'
>> Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'sof_timer' not described in 'octeon_hcd'
Warning: drivers/usb/host/octeon-hcd.c:528 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Read a USB 32bit CSR. It performs the necessary address swizzle
Warning: drivers/usb/host/octeon-hcd.c:543 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Write a USB 32bit CSR. It performs the necessary address
Warning: drivers/usb/host/octeon-hcd.c:559 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Return non zero if this pipe connects to a non HIGH speed
Warning: drivers/usb/host/octeon-hcd.c:575 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Trivial utility function to return the correct PID for a pipe
Warning: drivers/usb/host/octeon-hcd.c:663 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Shutdown a USB port after a call to cvmx_usb_initialize().
Warning: drivers/usb/host/octeon-hcd.c:695 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Initialize a USB port for use. This must be called before any
Warning: drivers/usb/host/octeon-hcd.c:974 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Reset a USB port. After this call succeeds, the USB port is
Warning: drivers/usb/host/octeon-hcd.c:1007 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Disable a USB port. After this call the USB port will not
Warning: drivers/usb/host/octeon-hcd.c:1025 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Get the current state of the USB port. Use this call to
Warning: drivers/usb/host/octeon-hcd.c:1055 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Open a virtual pipe between the host and a USB device. A pipe
Warning: drivers/usb/host/octeon-hcd.c:1168 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Poll the RX FIFOs and remove data as needed. This function is only used
Warning: drivers/usb/host/octeon-hcd.c:1214 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Fill the TX hardware fifo with data out of the software
Warning: drivers/usb/host/octeon-hcd.c:1274 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Check the hardware FIFOs and fill them as needed
Warning: drivers/usb/host/octeon-hcd.c:1310 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Fill the TX FIFO with an outgoing packet
Warning: drivers/usb/host/octeon-hcd.c:1362 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Perform channel specific setup for Control transactions. All
Warning: drivers/usb/host/octeon-hcd.c:1511 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Start a channel to perform the pipe's head transaction
Warning: drivers/usb/host/octeon-hcd.c:1855 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Find a pipe that is ready to be scheduled to hardware.
Warning: drivers/usb/host/octeon-hcd.c:1913 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Called whenever a pipe might need to be scheduled to the
Warning: drivers/usb/host/octeon-hcd.c:2086 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Signal the completion of a transaction and free it. The
Warning: drivers/usb/host/octeon-hcd.c:2143 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Submit a usb transaction to a pipe. Called for all types
Warning: drivers/usb/host/octeon-hcd.c:2217 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Call to submit a USB Bulk transfer to a pipe.
Warning: drivers/usb/host/octeon-hcd.c:2241 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Call to submit a USB Interrupt transfer to a pipe.
Warning: drivers/usb/host/octeon-hcd.c:2266 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Call to submit a USB Control transfer to a pipe.
Warning: drivers/usb/host/octeon-hcd.c:2297 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Call to submit a USB Isochronous transfer to a pipe.
Warning: drivers/usb/host/octeon-hcd.c:2324 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Cancel one outstanding request in a pipe. Canceling a request
Warning: drivers/usb/host/octeon-hcd.c:2373 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Cancel all outstanding requests in a pipe. Logically all this
Warning: drivers/usb/host/octeon-hcd.c:2397 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Close a pipe created with cvmx_usb_open_pipe().
Warning: drivers/usb/host/octeon-hcd.c:2419 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Get the current USB protocol level frame number. The frame
Warning: drivers/usb/host/octeon-hcd.c:2628 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Poll a channel for status
Warning: drivers/usb/host/octeon-hcd.c:2970 This comment starts with '/**', but isn't a kernel-doc comment. Refer to Documentation/doc-guide/kernel-doc.rst
* Poll the USB block for status and call all needed callback
Warning: drivers/usb/host/octeon-hcd.c:159 struct member 'reserved' not described in 'cvmx_usb_port_status'
Warning: drivers/usb/host/octeon-hcd.c:288 struct member 'xfersize' not described in 'cvmx_usb_transaction'
Warning: drivers/usb/host/octeon-hcd.c:288 struct member 'pktcnt' not described in 'cvmx_usb_transaction'
Warning: drivers/usb/host/octeon-hcd.c:288 struct member 'retries' not described in 'cvmx_usb_transaction'
Warning: drivers/usb/host/octeon-hcd.c:288 Excess struct member 'flags' description in 'cvmx_usb_transaction'
Warning: drivers/usb/host/octeon-hcd.c:335 Excess struct member 'next' description in 'cvmx_usb_pipe' (did you mean one of: 'next_tx_frame')
Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'lock' not described in 'octeon_hcd'
Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'init_flags' not described in 'octeon_hcd'
Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'index' not described in 'octeon_hcd'
Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'idle_hardware_channels' not described in 'octeon_hcd'
Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'usbcx_hprt' not described in 'octeon_hcd'
Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'pipe_for_channel' not described in 'octeon_hcd'
Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'indent' not described in 'octeon_hcd'
Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'port_status' not described in 'octeon_hcd'
Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'idle_pipes' not described in 'octeon_hcd'
Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'active_pipes' not described in 'octeon_hcd'
Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'frame_number' not described in 'octeon_hcd'
Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'active_split' not described in 'octeon_hcd'
Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'periodic' not described in 'octeon_hcd'
Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'nonperiodic' not described in 'octeon_hcd'
>> Warning: drivers/usb/host/octeon-hcd.c:381 struct member 'sof_timer' not described in 'octeon_hcd'

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