Hi Shivasharan,

[auto build test WARNING on scsi/for-next]
[cannot apply to v4.10-rc7]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Shivasharan-S/megaraid_sas-Updates-for-scsi-next/20170206-181304
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git for-next
config: i386-randconfig-x007-201706 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All warnings (new ones prefixed by >>):

   drivers/scsi/megaraid/megaraid_sas_fusion.c: In function 'megasas_make_prp_nvme':
>> drivers/scsi/megaraid/megaraid_sas_fusion.c:1642:17: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
     ptr_sgl_phys = (u64 *)cmd->sg_frame_phys_addr;
                    ^

vim +1642 drivers/scsi/megaraid/megaraid_sas_fusion.c

  1626			return false;
  1627	
  1628		/*
  1629		 * Nvme has a very convoluted prp format.  One prp is required
  1630		 * for each page or partial page. Driver need to split up OS sg_list
  1631		 * entries if it is longer than one page or cross a page
  1632		 * boundary.  Driver also have to insert a PRP list pointer entry as
  1633		 * the last entry in each physical page of the PRP list.
  1634		 *
  1635		 * NOTE: The first PRP "entry" is actually placed in the first
  1636		 * SGL entry in the main message as IEEE 64 format.  The 2nd
  1637		 * entry in the main message is the chain element, and the rest
  1638		 * of the PRP entries are built in the contiguous pcie buffer.
  1639		 */
  1640		page_mask = mr_nvme_pg_size - 1;
  1641		ptr_sgl = (u64 *)cmd->sg_frame;
> 1642		ptr_sgl_phys = (u64 *)cmd->sg_frame_phys_addr;
  1643		memset(ptr_sgl, 0, instance->max_chain_frame_sz);
  1644	
  1645		/* Build chain frame element which holds all prps except first*/
  1646		main_chain_element = (struct MPI25_IEEE_SGE_CHAIN64 *)
  1647		    ((u8 *)sgl_ptr + sizeof(struct MPI25_IEEE_SGE_CHAIN64));
  1648	
  1649		main_chain_element->Address = cpu_to_le64((uintptr_t)ptr_sgl_phys);
  1650		main_chain_element->NextChainOffset = 0;

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation