linux-kernel - [ogabbay:gaudi2_full 45/48] drivers/misc/habanalabs/goya/goya.c:5259:5: warning: no previous prototype for 'goya_pre_schedule

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Message-ID: <202206250206.qse4jwzU-lkp@intel.com>
Date:   Sat, 25 Jun 2022 10:58:55 +0800
From:   kernel test robot <lkp@...el.com>
To:     Oded Gabbay <ogabbay@...nel.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [ogabbay:gaudi2_full 45/48]
 drivers/misc/habanalabs/goya/goya.c:5259:5: warning: no previous prototype
 for 'goya_pre_schedule_cs'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/ogabbay/linux.git gaudi2_full
head:   91e0cd8151cd8592199b21f047a3915fe06ba098
commit: 4985fbb24b5d36ed7f4661c81c807f441ff85dc5 [45/48] habanalabs: add unsupported functions
config: x86_64-randconfig-a004
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/ogabbay/linux.git/commit/?id=4985fbb24b5d36ed7f4661c81c807f441ff85dc5
        git remote add ogabbay https://git.kernel.org/pub/scm/linux/kernel/git/ogabbay/linux.git
        git fetch --no-tags ogabbay gaudi2_full
        git checkout 4985fbb24b5d36ed7f4661c81c807f441ff85dc5
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/misc/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> drivers/misc/habanalabs/goya/goya.c:5259:5: warning: no previous prototype for 'goya_pre_schedule_cs' [-Wmissing-prototypes]
    5259 | int goya_pre_schedule_cs(struct hl_cs *cs)
         |     ^~~~~~~~~~~~~~~~~~~~
>> drivers/misc/habanalabs/goya/goya.c:5343:5: warning: no previous prototype for 'goya_ack_mmu_page_fault_or_access_error' [-Wmissing-prototypes]
    5343 | int goya_ack_mmu_page_fault_or_access_error(struct hl_device *hdev,
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
   drivers/misc/habanalabs/gaudi/gaudi.c: In function 'gaudi_scrub_device_mem':
   drivers/misc/habanalabs/gaudi/gaudi.c:4830:25: warning: variable 'dummy_val' set but not used [-Wunused-but-set-variable]
    4830 |         u64 addr, size, dummy_val;
         |                         ^~~~~~~~~
   drivers/misc/habanalabs/gaudi/gaudi.c: At top level:
>> drivers/misc/habanalabs/gaudi/gaudi.c:8595:5: warning: no previous prototype for 'gaudi_pre_schedule_cs' [-Wmissing-prototypes]
    8595 | int gaudi_pre_schedule_cs(struct hl_cs *cs)
         |     ^~~~~~~~~~~~~~~~~~~~~
>> drivers/misc/habanalabs/gaudi/gaudi.c:8971:5: warning: no previous prototype for 'gaudi_ack_mmu_page_fault_or_access_error' [-Wmissing-prototypes]
    8971 | int gaudi_ack_mmu_page_fault_or_access_error(struct hl_device *hdev,
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/goya_pre_schedule_cs +5259 drivers/misc/habanalabs/goya/goya.c

  5258	
> 5259	int goya_pre_schedule_cs(struct hl_cs *cs)
  5260	{
  5261		return 0;
  5262	}
  5263	
  5264	u32 goya_get_queue_id_for_cq(struct hl_device *hdev, u32 cq_idx)
  5265	{
  5266		return cq_idx;
  5267	}
  5268	
  5269	static u32 goya_get_signal_cb_size(struct hl_device *hdev)
  5270	{
  5271		return 0;
  5272	}
  5273	
  5274	static u32 goya_get_wait_cb_size(struct hl_device *hdev)
  5275	{
  5276		return 0;
  5277	}
  5278	
  5279	static u32 goya_gen_signal_cb(struct hl_device *hdev, void *data, u16 sob_id,
  5280					u32 size, bool eb)
  5281	{
  5282		return 0;
  5283	}
  5284	
  5285	static u32 goya_gen_wait_cb(struct hl_device *hdev,
  5286			struct hl_gen_wait_properties *prop)
  5287	{
  5288		return 0;
  5289	}
  5290	
  5291	static void goya_reset_sob(struct hl_device *hdev, void *data)
  5292	{
  5293	
  5294	}
  5295	
  5296	static void goya_reset_sob_group(struct hl_device *hdev, u16 sob_group)
  5297	{
  5298	
  5299	}
  5300	
  5301	u64 goya_get_device_time(struct hl_device *hdev)
  5302	{
  5303		u64 device_time = ((u64) RREG32(mmPSOC_TIMESTAMP_CNTCVU)) << 32;
  5304	
  5305		return device_time | RREG32(mmPSOC_TIMESTAMP_CNTCVL);
  5306	}
  5307	
  5308	static int goya_collective_wait_init_cs(struct hl_cs *cs)
  5309	{
  5310		return 0;
  5311	}
  5312	
  5313	static int goya_collective_wait_create_jobs(struct hl_device *hdev,
  5314			struct hl_ctx *ctx, struct hl_cs *cs, u32 wait_queue_id,
  5315			u32 collective_engine_id, u32 encaps_signal_offset)
  5316	{
  5317		return -EINVAL;
  5318	}
  5319	
  5320	static void goya_ctx_fini(struct hl_ctx *ctx)
  5321	{
  5322	
  5323	}
  5324	
  5325	static int goya_get_hw_block_id(struct hl_device *hdev, u64 block_addr,
  5326				u32 *block_size, u32 *block_id)
  5327	{
  5328		return -EPERM;
  5329	}
  5330	
  5331	static int goya_block_mmap(struct hl_device *hdev, struct vm_area_struct *vma,
  5332					u32 block_id, u32 block_size)
  5333	{
  5334		return -EPERM;
  5335	}
  5336	
  5337	static void goya_enable_events_from_fw(struct hl_device *hdev)
  5338	{
  5339		WREG32(mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR,
  5340				GOYA_ASYNC_EVENT_ID_INTS_REGISTER);
  5341	}
  5342	
> 5343	int goya_ack_mmu_page_fault_or_access_error(struct hl_device *hdev,
  5344								u64 mmu_cap_mask)
  5345	{
  5346		dev_err(hdev->dev, "mmu_error function is not supported\n");
  5347	
  5348		return -EINVAL;
  5349	}
  5350	

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