[intel-linux-intel-lts:5.4/yocto 15/1142] drivers/crypto/keembay/keembay-ocs-hcu-core.c:226:46: warning: shift count >= width of type

[intel-linux-intel-lts:5.4/yocto 15/1142] drivers/crypto/keembay/keembay-ocs-hcu-core.c:226:46: warning: shift count >= width of type

[kernel test robot]

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tree:   https://github.com/intel/linux-intel-lts.git 5.4/yocto
head:   eeb611e5394c56d45c5cc8f7dc484c9f19e93143
commit: 9b07a958f2eb496c88faf0bd749eb600357f4190 [15/1142] crypto: keembay: Add Keem Bay OCS HCU
config: hexagon-randconfig-r041-20210811 (attached as .config)
compiler: clang version 12.0.0
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
        # https://github.com/intel/linux-intel-lts/commit/9b07a958f2eb496c88faf0bd749eb600357f4190
        git remote add intel-linux-intel-lts https://github.com/intel/linux-intel-lts.git
        git fetch --no-tags intel-linux-intel-lts 5.4/yocto
        git checkout 9b07a958f2eb496c88faf0bd749eb600357f4190
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=hexagon 

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/crypto/keembay/keembay-ocs-hcu-core.c:226:46: warning: shift count >= width of type [-Wshift-count-overflow]
           if (addr & KMB_OCS_HCU_ALIGN_MASK || addr > OCS_HCU_DMA_MAX_ADDR_MASK)
                                                       ^~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/crypto/keembay/ocs-hcu.h:30:36: note: expanded from macro 'OCS_HCU_DMA_MAX_ADDR_MASK'
   #define OCS_HCU_DMA_MAX_ADDR_MASK (BIT(32) - 1)
                                      ^~~~~~~
   include/linux/bits.h:8:26: note: expanded from macro 'BIT'
   #define BIT(nr)                 (UL(1) << (nr))
                                          ^  ~~~~
   1 warning generated.
--
>> drivers/crypto/keembay/ocs-hcu.c:389:22: warning: shift count >= width of type [-Wshift-count-overflow]
           if (!head || head > OCS_HCU_DMA_MAX_ADDR_MASK)
                               ^~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/crypto/keembay/ocs-hcu.h:30:36: note: expanded from macro 'OCS_HCU_DMA_MAX_ADDR_MASK'
   #define OCS_HCU_DMA_MAX_ADDR_MASK (BIT(32) - 1)
                                      ^~~~~~~
   include/linux/bits.h:8:26: note: expanded from macro 'BIT'
   #define BIT(nr)                 (UL(1) << (nr))
                                          ^  ~~~~
   drivers/crypto/keembay/ocs-hcu.c:118:19: warning: unused function 'ocs_hcu_digest_size' [-Wunused-function]
   static inline u32 ocs_hcu_digest_size(u32 algo)
                     ^
   2 warnings generated.

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for FRAME_POINTER
   Depends on DEBUG_KERNEL && (M68K || UML || SUPERH) || ARCH_WANT_FRAME_POINTERS
   Selected by
   - LOCKDEP && DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT && !MIPS && !PPC && !ARM && !S390 && !MICROBLAZE && !ARC && !X86


vim +226 drivers/crypto/keembay/keembay-ocs-hcu-core.c

   222	
   223	static int kmb_ocs_add_dma_tail(struct ocs_hcu_rctx *rctx,
   224					dma_addr_t addr, size_t len)
   225	{
 > 226		if (addr & KMB_OCS_HCU_ALIGN_MASK || addr > OCS_HCU_DMA_MAX_ADDR_MASK)
   227			return -EINVAL;
   228	
   229		if (!len)
   230			return 0;
   231	
   232		rctx->dma_list_tail->src_adr = (u32)addr;
   233		rctx->dma_list_tail->src_len = (u32)len;
   234		rctx->dma_list_tail->ll_flags = 0;
   235		rctx->dma_list_tail->nxt_desc = rctx->ll_dma_addr +
   236						(virt_to_phys(rctx->dma_list_tail) -
   237						virt_to_phys(rctx->dma_list_head)) +
   238						sizeof(*rctx->dma_list_tail);
   239	
   240		rctx->dma_list_tail++;
   241	
   242		return 0;
   243	}
   244	

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

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