Re: [PATCH] gpu: nova-core: bitfield: use &mut self setters instead of builder pattern

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

Hi John,

kernel test robot noticed the following build errors:

[auto build test ERROR on 7acc70476f14661149774ab88d3fe23d83ba4249]

url:    https://github.com/intel-lab-lkp/linux/commits/John-Hubbard/gpu-nova-core-bitfield-use-mut-self-setters-instead-of-builder-pattern/20260101-054823
base:   7acc70476f14661149774ab88d3fe23d83ba4249
patch link:    https://lore.kernel.org/r/20251231214727.448776-1-jhubbard%40nvidia.com
patch subject: [PATCH] gpu: nova-core: bitfield: use &mut self setters instead of builder pattern
config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20260101/202601010949.aupX8V1f-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/20260101/202601010949.aupX8V1f-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/202601010949.aupX8V1f-lkp@intel.com/

All errors (new ones prefixed by >>):

   PATH=/opt/cross/clang-20/bin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
   INFO PATH=/opt/cross/rustc-1.88.0-bindgen-0.72.1/cargo/bin:/opt/cross/clang-20/bin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
   /usr/bin/timeout -k 100 12h /usr/bin/make KCFLAGS= -fno-crash-diagnostics -Wno-error=return-type -Wreturn-type -funsigned-char -Wundef W=1 --keep-going LLVM=1 -j32 -C source O=/kbuild/obj/consumer/x86_64-rhel-9.4-rust ARCH=x86_64 SHELL=/bin/bash rustfmtcheck
   make: Entering directory '/kbuild/src/consumer'
   make[1]: Entering directory '/kbuild/obj/consumer/x86_64-rhel-9.4-rust'
>> Diff in drivers/gpu/nova-core/falcon.rs:413:
                Delta::from_micros(150),
            );
    
   -        regs::NV_PFALCON_FALCON_ENGINE::update(bar, &E::ID, |v| { v.set_reset(true); });
   +        regs::NV_PFALCON_FALCON_ENGINE::update(bar, &E::ID, |v| {
   +            v.set_reset(true);
   +        });
    
            // TIMEOUT: falcon engine should not take more than 10us to reset.
            fsleep(Delta::from_micros(10));
   Diff in drivers/gpu/nova-core/falcon.rs:420:
    
   -        regs::NV_PFALCON_FALCON_ENGINE::update(bar, &E::ID, |v| { v.set_reset(false); });
   +        regs::NV_PFALCON_FALCON_ENGINE::update(bar, &E::ID, |v| {
   +            v.set_reset(false);
   +        });
    
            self.reset_wait_mem_scrubbing(bar)?;
    
>> Diff in drivers/gpu/nova-core/falcon.rs:413:
                Delta::from_micros(150),
            );
    
   -        regs::NV_PFALCON_FALCON_ENGINE::update(bar, &E::ID, |v| { v.set_reset(true); });
   +        regs::NV_PFALCON_FALCON_ENGINE::update(bar, &E::ID, |v| {
   +            v.set_reset(true);
   +        });
    
            // TIMEOUT: falcon engine should not take more than 10us to reset.
            fsleep(Delta::from_micros(10));
   Diff in drivers/gpu/nova-core/falcon.rs:420:
    
   -        regs::NV_PFALCON_FALCON_ENGINE::update(bar, &E::ID, |v| { v.set_reset(false); });
   +        regs::NV_PFALCON_FALCON_ENGINE::update(bar, &E::ID, |v| {
   +            v.set_reset(false);
   +        });
    
            self.reset_wait_mem_scrubbing(bar)?;
    
   make[2]: *** [Makefile:1871: rustfmt] Error 123
   make[2]: Target 'rustfmtcheck' not remade because of errors.
   make[1]: Leaving directory '/kbuild/obj/consumer/x86_64-rhel-9.4-rust'
   make[1]: *** [Makefile:248: __sub-make] Error 2
   make[1]: Target 'rustfmtcheck' not remade because of errors.
   make: *** [Makefile:248: __sub-make] Error 2
   make: Target 'rustfmtcheck' not remade because of errors.
   make: Leaving directory '/kbuild/src/consumer'

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