[drm-misc:topic/rust-drm 9/19] error[E0425]: cannot find function `iounmap` in crate `bindings`

[kernel test robot]

tree:   git://anongit.freedesktop.org/drm/drm-misc topic/rust-drm
head:   ac3b90930f007514defbf06ec63a07122b02ba8a
commit: 41bf8ed78cc51e13c60dbc7ff755a74ca968b91f [9/19] rust: add `io::Io` base type
config: um-randconfig-001-20240816 (https://download.01.org/0day-ci/archive/20240817/202408170035.K8VPd6FK-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 26670e7fa4f032a019d23d56c6a02926e854e8af)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240817/202408170035.K8VPd6FK-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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202408170035.K8VPd6FK-lkp@intel.com/

All errors (new ones prefixed by >>):

>> error[E0425]: cannot find function `iounmap` in crate `bindings`
   --> rust/doctests_kernel_generated.rs:2439:28
   |
   2439 |         unsafe { bindings::iounmap(self.0.base_addr() as _); };
   |                            ^^^^^^^ not found in `bindings`

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