[chrome-os:chromeos-5.10 9987/9999] drivers/gpu/arm/valhall/backend/gpu/mali_kbase_irq_linux.c:182:13: warning: no previous prototype for function 'kbase_gpu_irq_test_handler'

[chrome-os:chromeos-5.10 9987/9999] drivers/gpu/arm/valhall/backend/gpu/mali_kbase_irq_linux.c:182:13: warning: no previous prototype for function 'kbase_gpu_irq_test_handler'

[kernel test robot]

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tree:   https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.10
head:   d2945e83762685e27b20286924d8e59daa10233f
commit: 79b0a1f26446bb3026f29a6cc0cf40d82112ca85 [9987/9999] CHROMIUM: gpu: mali: Apply Valhall r32p0 EAC release
config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20220118/202201181455.oCI9OMRx-lkp(a)intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c10cbb243cafc0cf42c3e922cb29183279444432)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel
        git fetch --no-tags chrome-os chromeos-5.10
        git checkout 79b0a1f26446bb3026f29a6cc0cf40d82112ca85
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/gpu/arm/valhall/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> drivers/gpu/arm/valhall/mali_kbase_jd_debugfs.c:80:24: warning: format specifies type 'unsigned int' but the argument has type 'u64' (aka 'unsigned long long') [-Wformat]
                                      fence->context, fence->seqno,
                                                      ^~~~~~~~~~~~
   drivers/gpu/arm/valhall/mali_kbase_jd_debugfs.c:99:24: warning: format specifies type 'unsigned int' but the argument has type 'u64' (aka 'unsigned long long') [-Wformat]
                                      fence->context, fence->seqno,
                                                      ^~~~~~~~~~~~
   2 warnings generated.
--
>> drivers/gpu/arm/valhall/backend/gpu/mali_kbase_irq_linux.c:182:13: warning: no previous prototype for function 'kbase_gpu_irq_test_handler' [-Wmissing-prototypes]
   irqreturn_t kbase_gpu_irq_test_handler(int irq, void *data, u32 val)
               ^
   drivers/gpu/arm/valhall/backend/gpu/mali_kbase_irq_linux.c:182:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   irqreturn_t kbase_gpu_irq_test_handler(int irq, void *data, u32 val)
   ^
   static 
   drivers/gpu/arm/valhall/backend/gpu/mali_kbase_irq_linux.c:210:5: warning: no previous prototype for function 'kbase_set_custom_irq_handler' [-Wmissing-prototypes]
   int kbase_set_custom_irq_handler(struct kbase_device *kbdev,
       ^
   drivers/gpu/arm/valhall/backend/gpu/mali_kbase_irq_linux.c:210:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int kbase_set_custom_irq_handler(struct kbase_device *kbdev,
   ^
   static 
   2 warnings generated.


vim +/kbase_gpu_irq_test_handler +182 drivers/gpu/arm/valhall/backend/gpu/mali_kbase_irq_linux.c

f38632197c49e6 Nicolas Boichat 2020-04-18  168  
f38632197c49e6 Nicolas Boichat 2020-04-18  169  /**
f38632197c49e6 Nicolas Boichat 2020-04-18  170   * kbase_gpu_irq_test_handler - Variant (for test) of kbase_gpu_irq_handler()
f38632197c49e6 Nicolas Boichat 2020-04-18  171   * @irq:  IRQ number
f38632197c49e6 Nicolas Boichat 2020-04-18  172   * @data: Data associated with this IRQ (i.e. kbdev)
f38632197c49e6 Nicolas Boichat 2020-04-18  173   * @val:  Value of the GPU_CONTROL_REG(GPU_IRQ_STATUS)
f38632197c49e6 Nicolas Boichat 2020-04-18  174   *
f38632197c49e6 Nicolas Boichat 2020-04-18  175   * Handle the GPU device interrupt source requests reflected in the
f38632197c49e6 Nicolas Boichat 2020-04-18  176   * given source bit-pattern. The test code caller is responsible for
f38632197c49e6 Nicolas Boichat 2020-04-18  177   * undertaking the required device power maintenace.
f38632197c49e6 Nicolas Boichat 2020-04-18  178   *
f38632197c49e6 Nicolas Boichat 2020-04-18  179   * Return: IRQ_HANDLED if the requests are from the GPU device,
f38632197c49e6 Nicolas Boichat 2020-04-18  180   *         IRQ_NONE otherwise
f38632197c49e6 Nicolas Boichat 2020-04-18  181   */
10cd017481f1fa Fei Shao        2021-06-17 @182  irqreturn_t kbase_gpu_irq_test_handler(int irq, void *data, u32 val)
f38632197c49e6 Nicolas Boichat 2020-04-18  183  {
f38632197c49e6 Nicolas Boichat 2020-04-18  184  	struct kbase_device *kbdev = kbase_untag(data);
f38632197c49e6 Nicolas Boichat 2020-04-18  185  
f38632197c49e6 Nicolas Boichat 2020-04-18  186  	if (!val)
f38632197c49e6 Nicolas Boichat 2020-04-18  187  		return IRQ_NONE;
f38632197c49e6 Nicolas Boichat 2020-04-18  188  
f38632197c49e6 Nicolas Boichat 2020-04-18  189  	dev_dbg(kbdev->dev, "%s: irq %d irqstatus 0x%x\n", __func__, irq, val);
f38632197c49e6 Nicolas Boichat 2020-04-18  190  
f38632197c49e6 Nicolas Boichat 2020-04-18  191  	kbase_gpu_interrupt(kbdev, val);
f38632197c49e6 Nicolas Boichat 2020-04-18  192  
f38632197c49e6 Nicolas Boichat 2020-04-18  193  	return IRQ_HANDLED;
f38632197c49e6 Nicolas Boichat 2020-04-18  194  }
f38632197c49e6 Nicolas Boichat 2020-04-18  195  

:::::: The code at line 182 was first introduced by commit
:::::: 10cd017481f1fa5fd8308956be32117a4103519f CHROMIUM: MALI: Include kutf modules

:::::: TO: Fei Shao <fshao@chromium.org>
:::::: CC: Commit Bot <commit-bot@chromium.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org