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SubjectRe: [PATCH v2 2/2] iommu/amd: Add basic debugfs infrastructure for AMD IOMMU
Hi Gary,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on iommu/next]
[also build test ERROR on v4.16 next-20180404]
[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/Gary-R-Hook/iommu-Enable-debugfs-exposure-of-the-IOMMU/20180405-151608
base: https://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git next
config: x86_64-randconfig-x002-201813 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All error/warnings (new ones prefixed by >>):

drivers//iommu/amd_iommu_debugfs.c: In function 'amd_iommu_debugfs_setup':
>> drivers//iommu/amd_iommu_debugfs.c:31:11: error: implicit declaration of function 'iommu_debugfs_setup'; did you mean 'amd_iommu_debugfs_setup'? [-Werror=implicit-function-declaration]
d_top = iommu_debugfs_setup();
^~~~~~~~~~~~~~~~~~~
amd_iommu_debugfs_setup
>> drivers//iommu/amd_iommu_debugfs.c:31:9: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
d_top = iommu_debugfs_setup();
^
cc1: some warnings being treated as errors

vim +31 drivers//iommu/amd_iommu_debugfs.c

20
21 void amd_iommu_debugfs_setup(struct amd_iommu *iommu)
22 {
23 char name[MAX_NAME_LEN + 1];
24 struct dentry *d_top;
25
26 if (!debugfs_initialized())
27 return;
28
29 mutex_lock(&amd_iommu_debugfs_lock);
30 if (!amd_iommu_debugfs) {
> 31 d_top = iommu_debugfs_setup();

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