Re: [PATCH 1/2] iommu: Fix iommu_unmap and iommu_unmap_fast return type

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Hi Suravee,

I love your patch! Yet something to improve:

[auto build test ERROR on iommu/next]
[also build test ERROR on v4.15 next-20180202]
[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/Suravee-Suthikulpanit/iommu-Fix-iommu_unmap-and-iommu_unmap_fast-return-type/20180203-015316
base:   https://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git next
config: sparc64-allyesconfig (attached as .config)
compiler: sparc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=sparc64 

All errors (new ones prefixed by >>):

>> drivers/iommu/qcom_iommu.c:592:12: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types]
     .unmap  = qcom_iommu_unmap,
               ^~~~~~~~~~~~~~~~
   drivers/iommu/qcom_iommu.c:592:12: note: (near initialization for 'qcom_iommu_ops.unmap')
   cc1: some warnings being treated as errors

vim +592 drivers/iommu/qcom_iommu.c

0ae349a0f3 Rob Clark    2017-08-09  584  
0ae349a0f3 Rob Clark    2017-08-09  585  static const struct iommu_ops qcom_iommu_ops = {
0ae349a0f3 Rob Clark    2017-08-09  586  	.capable	= qcom_iommu_capable,
0ae349a0f3 Rob Clark    2017-08-09  587  	.domain_alloc	= qcom_iommu_domain_alloc,
0ae349a0f3 Rob Clark    2017-08-09  588  	.domain_free	= qcom_iommu_domain_free,
0ae349a0f3 Rob Clark    2017-08-09  589  	.attach_dev	= qcom_iommu_attach_dev,
0ae349a0f3 Rob Clark    2017-08-09  590  	.detach_dev	= qcom_iommu_detach_dev,
0ae349a0f3 Rob Clark    2017-08-09  591  	.map		= qcom_iommu_map,
0ae349a0f3 Rob Clark    2017-08-09 @592  	.unmap		= qcom_iommu_unmap,
0ae349a0f3 Rob Clark    2017-08-09  593  	.map_sg		= default_iommu_map_sg,
4d689b6194 Robin Murphy 2017-09-28  594  	.flush_iotlb_all = qcom_iommu_iotlb_sync,
4d689b6194 Robin Murphy 2017-09-28  595  	.iotlb_sync	= qcom_iommu_iotlb_sync,
0ae349a0f3 Rob Clark    2017-08-09  596  	.iova_to_phys	= qcom_iommu_iova_to_phys,
0ae349a0f3 Rob Clark    2017-08-09  597  	.add_device	= qcom_iommu_add_device,
0ae349a0f3 Rob Clark    2017-08-09  598  	.remove_device	= qcom_iommu_remove_device,
0ae349a0f3 Rob Clark    2017-08-09  599  	.device_group	= generic_device_group,
0ae349a0f3 Rob Clark    2017-08-09  600  	.of_xlate	= qcom_iommu_of_xlate,
0ae349a0f3 Rob Clark    2017-08-09  601  	.pgsize_bitmap	= SZ_4K | SZ_64K | SZ_1M | SZ_16M,
0ae349a0f3 Rob Clark    2017-08-09  602  };
0ae349a0f3 Rob Clark    2017-08-09  603  

:::::: The code at line 592 was first introduced by commit
:::::: 0ae349a0f33fb040a2bc228fdc6d60111455feab iommu/qcom: Add qcom_iommu

:::::: TO: Rob Clark <robdclark@xxxxxxxxx>
:::::: CC: Joerg Roedel <jroedel@xxxxxxx>

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

Attachment: .config.gz
Description: application/gzip


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