Re: [PATCH v3 4/7] rust: kernel: Add greybus abstractions

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

Hi Ayush,

kernel test robot noticed the following build warnings:

[auto build test WARNING on becb95e45ef0dda9ffb35156d909d3da7a2789c3]

url:    https://github.com/intel-lab-lkp/linux/commits/Ayush-Singh/greybus-connection-Export-gb_connection_get-and-gb_connection_put/20261013-173039
base:   becb95e45ef0dda9ffb35156d909d3da7a2789c3
patch link:    https://lore.kernel.org/r/20261013-gb-uart-transport-v3-4-81d0a8a1acf7%40beagleboard.org
patch subject: [PATCH v3 4/7] rust: kernel: Add greybus abstractions
config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20261017/202610172306.ttuZsLWg-lkp@intel.com/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/20261017/202610172306.ttuZsLWg-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/202610172306.ttuZsLWg-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> warning: associated function `new` is never used
   --> rust/kernel/alloc.rs:42:19
   |
   40 | impl Flags {
   | ---------- associated function in this implementation
   41 |     /// Create from gfp_t
   42 |     pub(crate) fn new(v: bindings::gfp_t) -> Self {
   |                   ^^^
   |
   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default

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