Re: [PATCH 01/11] rust: helpers: io: use macro to generate io accessor functions

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

Hi Andrew,

kernel test robot noticed the following build errors:

[auto build test ERROR on 92a09c47464d040866cf2b4cd052bc60555185fb]

url:    https://github.com/intel-lab-lkp/linux/commits/Andrew-Ballance/rust-helpers-io-use-macro-to-generate-io-accessor-functions/20250509-111818
base:   92a09c47464d040866cf2b4cd052bc60555185fb
patch link:    https://lore.kernel.org/r/20250509031524.2604087-2-andrewjballance%40gmail.com
patch subject: [PATCH 01/11] rust: helpers: io: use macro to generate io accessor functions
config: x86_64-randconfig-073-20250512 (https://download.01.org/0day-ci/archive/20250513/202505130821.z5LcD77G-lkp@intel.com/config)
compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247)
rustc: rustc 1.78.0 (9b00956e5 2024-04-29)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250513/202505130821.z5LcD77G-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/202505130821.z5LcD77G-lkp@intel.com/

All errors (new ones prefixed by >>):

   ***
   *** Rust bindings generator 'bindgen' < 0.69.5 together with libclang >= 19.1
   *** may not work due to a bug (https://github.com/rust-lang/rust-bindgen/pull/2824),
   *** unless patched (like Debian's).
   ***   Your bindgen version:  0.65.1
   ***   Your libclang version: 20.1.2
   ***
   ***
   *** Please see Documentation/rust/quick-start.rst for details
   *** on how to set up the Rust support.
   ***
>> error[E0425]: cannot find function `readb` in crate `bindings`
   --> rust/kernel/io.rs:221:36
   |
   221 |     define_read!(read8, try_read8, readb -> u8);
   |                                    ^^^^^ not found in `bindings`
--
>> error[E0425]: cannot find function `readw` in crate `bindings`
   --> rust/kernel/io.rs:222:38
   |
   222 |     define_read!(read16, try_read16, readw -> u16);
   |                                      ^^^^^ not found in `bindings`
--
>> error[E0425]: cannot find function `writel` in crate `bindings`
   --> rust/kernel/io.rs:243:41
   |
   243 |     define_write!(write32, try_write32, writel <- u32);
   |                                         ^^^^^^ not found in `bindings`
--
>> error[E0425]: cannot find function `writeq` in crate `bindings`
   --> rust/kernel/io.rs:248:9
   |
   248 |         writeq <- u64
   |         ^^^^^^ not found in `bindings`
--
>> error[E0425]: cannot find function `writeb_relaxed` in crate `bindings`
   --> rust/kernel/io.rs:251:55
   |
   251 |     define_write!(write8_relaxed, try_write8_relaxed, writeb_relaxed <- u8);
   |                                                       ^^^^^^^^^^^^^^ not found in `bindings`
--
>> error[E0425]: cannot find function `writew_relaxed` in crate `bindings`
   --> rust/kernel/io.rs:252:57
   |
   252 |     define_write!(write16_relaxed, try_write16_relaxed, writew_relaxed <- u16);
   |                                                         ^^^^^^^^^^^^^^ not found in `bindings`
--
>> error[E0425]: cannot find function `writel_relaxed` in crate `bindings`
   --> rust/kernel/io.rs:253:57
   |
   253 |     define_write!(write32_relaxed, try_write32_relaxed, writel_relaxed <- u32);
   |                                                         ^^^^^^^^^^^^^^ not found in `bindings`
--
>> error[E0425]: cannot find function `writeq_relaxed` in crate `bindings`
   --> rust/kernel/io.rs:258:9
   |
   258 |         writeq_relaxed <- u64
   |         ^^^^^^^^^^^^^^ not found in `bindings`
--
>> error[E0425]: cannot find function `readl` in crate `bindings`
   --> rust/kernel/io.rs:223:38
   |
   223 |     define_read!(read32, try_read32, readl -> u32);
   |                                      ^^^^^ not found in `bindings`
--
>> error[E0425]: cannot find function `readq` in crate `bindings`
   --> rust/kernel/io.rs:228:9
   |
   228 |         readq -> u64
   |         ^^^^^ not found in `bindings`
--
>> error[E0425]: cannot find function `readb_relaxed` in crate `bindings`
   --> rust/kernel/io.rs:231:52
   |
   231 |     define_read!(read8_relaxed, try_read8_relaxed, readb_relaxed -> u8);
   |                                                    ^^^^^^^^^^^^^ not found in `bindings`
..

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