Re: [PATCH 4/4] rust: phy: add interrupt support

[kernel test robot <lkp@intel.com>]

Hi Artem,

kernel test robot noticed the following build warnings:

[auto build test WARNING on rust/rust-next]
[also build test WARNING on linus/master v7.0-rc5 next-20260323]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Artem-Lytkin/rust-phy-add-paged-register-access-and-bit-manipulation-helpers/20260324-155532
base:   https://github.com/Rust-for-Linux/linux rust-next
patch link:    https://lore.kernel.org/r/20260323201925.8405-4-iprintercanon%40gmail.com
patch subject: [PATCH 4/4] rust: phy: add interrupt support
config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20260324/202603241610.omlicT8x-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
rustc: rustc 1.88.0 (6b00bc388 2025-06-23)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260324/202603241610.omlicT8x-lkp@intel.com/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
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202603241610.omlicT8x-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> warning: unsafe function's docs are missing a `# Safety` section
   --> rust/kernel/net/phy.rs:564:5
   |
   564 |     unsafe extern "C" fn config_aneg_callback(phydev: *mut bindings::phy_device) -> c_int {
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#missing_safety_doc
   = note: `-W clippy::missing-safety-doc` implied by `-W clippy::all`
   = help: to override `-W clippy::all` add `#[allow(clippy::missing_safety_doc)]`

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