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From: kbuild test robot <lkp@intel.com>
To: Oded Gabbay <oded.gabbay@gmail.com>
Cc: kbuild-all@01.org, dri-devel@lists.freedesktop.org
Subject: [gabbayo:habanalabs-fixes 7/7] drivers/misc/habanalabs/goya/goya.c:3012:17: sparse: cast removes address space of expression
Date: Wed, 27 Mar 2019 18:26:31 +0800	[thread overview]
Message-ID: <201903271827.IOP0otoF%lkp@intel.com> (raw)

tree:   git://people.freedesktop.org/~gabbayo/linux habanalabs-fixes
head:   7c22278edd0a931c565a8511dfc1bc57ffbb9166
commit: 7c22278edd0a931c565a8511dfc1bc57ffbb9166 [7/7] habanalabs: cast to expected type
reproduce:
        # apt-get install sparse
        git checkout 7c22278edd0a931c565a8511dfc1bc57ffbb9166
        make ARCH=x86_64 allmodconfig
        make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'


sparse warnings: (new ones prefixed by >>)

>> drivers/misc/habanalabs/goya/goya.c:3012:17: sparse: cast removes address space of expression
   drivers/misc/habanalabs/goya/goya.c:5253:9: sparse: expression using sizeof(void)
   drivers/misc/habanalabs/goya/goya.c:5253:9: sparse: expression using sizeof(void)
   drivers/misc/habanalabs/goya/goya.c:609:44: sparse: cast truncates bits from constant value (7ff0000000 becomes f0000000)
   drivers/misc/habanalabs/goya/goya.c:619:44: sparse: cast truncates bits from constant value (8000000000 becomes 0)
   drivers/misc/habanalabs/goya/goya.c:622:17: sparse: cast truncates bits from constant value (1007fffffffff becomes ffffffff)
   drivers/misc/habanalabs/goya/goya.c:985:23: sparse: cast truncates bits from constant value (7ffc113000 becomes fc113000)
   drivers/misc/habanalabs/goya/goya.c:987:22: sparse: cast truncates bits from constant value (7ffc112000 becomes fc112000)
   drivers/misc/habanalabs/goya/goya.c:991:17: sparse: cast truncates bits from constant value (7ffc800040 becomes fc800040)
   drivers/misc/habanalabs/goya/goya.c:1031:17: sparse: cast truncates bits from constant value (7ffc800040 becomes fc800040)
   drivers/misc/habanalabs/goya/goya.c:1709:23: sparse: cast truncates bits from constant value (7ffc113000 becomes fc113000)
   drivers/misc/habanalabs/goya/goya.c:1711:22: sparse: cast truncates bits from constant value (7ffc112000 becomes fc112000)
   drivers/misc/habanalabs/goya/goya.c:1715:17: sparse: cast truncates bits from constant value (7ffc800040 becomes fc800040)
   drivers/misc/habanalabs/goya/goya.c:1759:23: sparse: cast truncates bits from constant value (7ffc113000 becomes fc113000)
   drivers/misc/habanalabs/goya/goya.c:1761:22: sparse: cast truncates bits from constant value (7ffc112000 becomes fc112000)
   drivers/misc/habanalabs/goya/goya.c:1765:17: sparse: cast truncates bits from constant value (7ffc800040 becomes fc800040)
   drivers/misc/habanalabs/goya/goya.c:1800:22: sparse: cast truncates bits from constant value (7ffc112000 becomes fc112000)
   drivers/misc/habanalabs/goya/goya.c:1820:23: sparse: cast truncates bits from constant value (7ffc113000 becomes fc113000)
   drivers/misc/habanalabs/goya/goya.c:1822:22: sparse: cast truncates bits from constant value (7ffc112000 becomes fc112000)
   drivers/misc/habanalabs/goya/goya.c:1826:17: sparse: cast truncates bits from constant value (7ffc800040 becomes fc800040)
   drivers/misc/habanalabs/goya/goya.c:1869:23: sparse: cast truncates bits from constant value (7ffc113000 becomes fc113000)
   drivers/misc/habanalabs/goya/goya.c:1871:22: sparse: cast truncates bits from constant value (7ffc112000 becomes fc112000)
   drivers/misc/habanalabs/goya/goya.c:1875:17: sparse: cast truncates bits from constant value (7ffc800040 becomes fc800040)
   drivers/misc/habanalabs/goya/goya.c:1910:22: sparse: cast truncates bits from constant value (7ffc112000 becomes fc112000)
   drivers/misc/habanalabs/goya/goya.c:2426:9: sparse: cast truncates bits from constant value (7ff0100000 becomes f0100000)
   drivers/misc/habanalabs/goya/goya.c:2466:27: sparse: cast truncates bits from constant value (7ff0000000 becomes f0000000)
   drivers/misc/habanalabs/goya/goya.c:3746:26: sparse: cast truncates bits from constant value (7ffc112000 becomes fc112000)
   drivers/misc/habanalabs/goya/goya.c:3747:24: sparse: cast truncates bits from constant value (7ffc112ffc becomes fc112ffc)
   drivers/misc/habanalabs/goya/goya.c:5191:13: sparse: context imbalance in 'goya_hw_queues_lock' - wrong count at exit
   drivers/misc/habanalabs/goya/goya.c:5198:13: sparse: context imbalance in 'goya_hw_queues_unlock' - unexpected unlock

vim +3012 drivers/misc/habanalabs/goya/goya.c

  3003	
  3004	void *goya_get_int_queue_base(struct hl_device *hdev, u32 queue_id,
  3005					dma_addr_t *dma_handle,	u16 *queue_len)
  3006	{
  3007		void *base;
  3008		u32 offset;
  3009	
  3010		*dma_handle = hdev->asic_prop.sram_base_address;
  3011	
> 3012		base = (void *) hdev->pcie_bar[SRAM_CFG_BAR_ID];
  3013	
  3014		switch (queue_id) {
  3015		case GOYA_QUEUE_ID_MME:
  3016			offset = MME_QMAN_BASE_OFFSET;
  3017			*queue_len = MME_QMAN_LENGTH;
  3018			break;
  3019		case GOYA_QUEUE_ID_TPC0:
  3020			offset = TPC0_QMAN_BASE_OFFSET;
  3021			*queue_len = TPC_QMAN_LENGTH;
  3022			break;
  3023		case GOYA_QUEUE_ID_TPC1:
  3024			offset = TPC1_QMAN_BASE_OFFSET;
  3025			*queue_len = TPC_QMAN_LENGTH;
  3026			break;
  3027		case GOYA_QUEUE_ID_TPC2:
  3028			offset = TPC2_QMAN_BASE_OFFSET;
  3029			*queue_len = TPC_QMAN_LENGTH;
  3030			break;
  3031		case GOYA_QUEUE_ID_TPC3:
  3032			offset = TPC3_QMAN_BASE_OFFSET;
  3033			*queue_len = TPC_QMAN_LENGTH;
  3034			break;
  3035		case GOYA_QUEUE_ID_TPC4:
  3036			offset = TPC4_QMAN_BASE_OFFSET;
  3037			*queue_len = TPC_QMAN_LENGTH;
  3038			break;
  3039		case GOYA_QUEUE_ID_TPC5:
  3040			offset = TPC5_QMAN_BASE_OFFSET;
  3041			*queue_len = TPC_QMAN_LENGTH;
  3042			break;
  3043		case GOYA_QUEUE_ID_TPC6:
  3044			offset = TPC6_QMAN_BASE_OFFSET;
  3045			*queue_len = TPC_QMAN_LENGTH;
  3046			break;
  3047		case GOYA_QUEUE_ID_TPC7:
  3048			offset = TPC7_QMAN_BASE_OFFSET;
  3049			*queue_len = TPC_QMAN_LENGTH;
  3050			break;
  3051		default:
  3052			dev_err(hdev->dev, "Got invalid queue id %d\n", queue_id);
  3053			return NULL;
  3054		}
  3055	
  3056		base += offset;
  3057		*dma_handle += offset;
  3058	
  3059		return base;
  3060	}
  3061	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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                 reply	other threads:[~2019-03-27 10:26 UTC|newest]

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