Re: [PATCH v2 3/3] watchdog: softdog_rs: add Rust software watchdog driver

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 v7.2 next-20260721]
[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-watchdog-add-watchdog-device-abstraction/20260813-051424
base:   https://github.com/Rust-for-Linux/linux rust-next
patch link:    https://lore.kernel.org/r/20260723161529.23759-4-iprintercanon%40gmail.com
patch subject: [PATCH v2 3/3] watchdog: softdog_rs: add Rust software watchdog driver
config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20260817/[email protected]/config)
compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1)
rustc: rustc 1.96.0 (ac68faa20 2026-05-25)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260817/[email protected]/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 <[email protected]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/

All warnings (new ones prefixed by >>):

>> warning: this `impl` can be derived
   --> rust/kernel/watchdog.rs:164:1
   |
   164 | / impl Default for Options {
   165 | |     fn default() -> Self {
   166 | |         Self {
   167 | |             timeout: 0,
   ...   |
   175 | | }
   | |_^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/rust-1.96.0/index.html#derivable_impls
   = note: `-W clippy::derivable-impls` implied by `-W clippy::all`
   = help: to override `-W clippy::all` add `#[allow(clippy::derivable_impls)]`
   help: replace the manual implementation with a derive attribute
   |
   147 + #[derive(Default)]
   148 | pub struct Options {
   |
--
>> warning: unresolved link to `super::Info::new`
   --> rust/kernel/watchdog.rs:98:7
   |
   98 | /// [`super::Info::new`].
   |       ^^^^^^^^^^^^^^^^ no item named `Info` in module `kernel`
   |
   = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
--
>> warning: public documentation for `Registration` links to private item `Inner`
   --> rust/kernel/watchdog.rs:392:34
   |
   392 | /// - `inner` points at a live [`Inner`] obtained from [`KBox::into_raw`],
   |                                  ^^^^^ this item is private
   |
   = note: this link will resolve properly if you pass `--document-private-items`
   = note: `#[warn(rustdoc::private_intra_doc_links)]` on by default
--
>> warning: public documentation for `Registration` links to private item `Inner`
   --> rust/kernel/watchdog.rs:395:45
   |
   395 | ///   the `ops` and `data` fields of that [`Inner`].
   |                                             ^^^^^ this item is private
   |
   = note: this link will resolve properly if you pass `--document-private-items`

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