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SubjectRe: [PATCH 4/5 v2] pseries/iommu: implement DDW-aware dma_get_page_shift
Hi Nishanth,

[auto build test results on v4.3-rc3 -- if it's inappropriate base, please ignore]

config: powerpc-defconfig (attached as .config)
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=powerpc

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

arch/powerpc/platforms/pseries/iommu.c: In function 'iommu_init_early_pSeries':
>> arch/powerpc/platforms/pseries/iommu.c:1433:9: error: 'struct machdep_calls' has no member named 'dma_get_page_shift'
ppc_md.dma_get_page_shift = dma_get_page_shift_pSeriesLP;
^

vim +1433 arch/powerpc/platforms/pseries/iommu.c

1427
1428 if (firmware_has_feature(FW_FEATURE_LPAR)) {
1429 pseries_pci_controller_ops.dma_bus_setup = pci_dma_bus_setup_pSeriesLP;
1430 pseries_pci_controller_ops.dma_dev_setup = pci_dma_dev_setup_pSeriesLP;
1431 ppc_md.dma_set_mask = dma_set_mask_pSeriesLP;
1432 ppc_md.dma_get_required_mask = dma_get_required_mask_pSeriesLP;
> 1433 ppc_md.dma_get_page_shift = dma_get_page_shift_pSeriesLP;
1434 } else {
1435 pseries_pci_controller_ops.dma_bus_setup = pci_dma_bus_setup_pSeries;
1436 pseries_pci_controller_ops.dma_dev_setup = pci_dma_dev_setup_pSeries;

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