Hi Shameer, Thank you for the patch! Yet something to improve: [auto build test ERROR on linux-sof-driver/master] [also build test ERROR on v4.19-rc8 next-20181016] [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/Shameer-Kolothum/arm64-SMMUv3-PMU-driver-with-IORT-support/20181017-063949 base: https://github.com/thesofproject/linux master config: sh-allmodconfig (attached as .config) compiler: sh4-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 GCC_VERSION=7.2.0 make.cross ARCH=sh All error/warnings (new ones prefixed by >>): In file included from include/linux/kernel.h:11:0, from include/linux/list.h:9, from include/linux/resource_ext.h:17, from include/linux/acpi.h:26, from drivers//perf/arm_smmuv3_pmu.c:37: drivers//perf/arm_smmuv3_pmu.c: In function 'smmu_pmu_counter_set_value': include/linux/bitops.h:7:24: warning: left shift count >= width of type [-Wshift-count-overflow] #define BIT(nr) (1UL << (nr)) ^ drivers//perf/arm_smmuv3_pmu.c:152:31: note: in expansion of macro 'BIT' if (smmu_pmu->counter_mask & BIT(32)) ^~~ drivers//perf/arm_smmuv3_pmu.c: In function 'smmu_pmu_counter_get_value': include/linux/bitops.h:7:24: warning: left shift count >= width of type [-Wshift-count-overflow] #define BIT(nr) (1UL << (nr)) ^ drivers//perf/arm_smmuv3_pmu.c:162:31: note: in expansion of macro 'BIT' if (smmu_pmu->counter_mask & BIT(32)) ^~~ drivers//perf/arm_smmuv3_pmu.c: In function 'smmu_pmu_free_msis': >> drivers//perf/arm_smmuv3_pmu.c:601:2: error: implicit declaration of function 'platform_msi_domain_free_irqs'; did you mean 'platform_get_device_id'? [-Werror=implicit-function-declaration] platform_msi_domain_free_irqs(dev); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ platform_get_device_id drivers//perf/arm_smmuv3_pmu.c: In function 'smmu_pmu_setup_msi': >> drivers//perf/arm_smmuv3_pmu.c:632:8: error: implicit declaration of function 'platform_msi_domain_alloc_irqs'; did you mean 'platform_device_alloc'? [-Werror=implicit-function-declaration] ret = platform_msi_domain_alloc_irqs(dev, 1, smmu_pmu_write_msi_msg); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ platform_device_alloc In file included from include/linux/list.h:9:0, from include/linux/resource_ext.h:17, from include/linux/acpi.h:26, from drivers//perf/arm_smmuv3_pmu.c:37: include/linux/msi.h:114:38: error: 'struct device' has no member named 'msi_list' #define dev_to_msi_list(dev) (&(dev)->msi_list) ^ include/linux/kernel.h:961:26: note: in definition of macro 'container_of' void *__mptr = (void *)(ptr); \ ^~~ include/linux/list.h:377:2: note: in expansion of macro 'list_entry' list_entry((ptr)->next, type, member) ^~~~~~~~~~ include/linux/msi.h:116:2: note: in expansion of macro 'list_first_entry' list_first_entry(dev_to_msi_list((dev)), struct msi_desc, list) ^~~~~~~~~~~~~~~~ include/linux/msi.h:116:19: note: in expansion of macro 'dev_to_msi_list' list_first_entry(dev_to_msi_list((dev)), struct msi_desc, list) ^~~~~~~~~~~~~~~ >> drivers//perf/arm_smmuv3_pmu.c:638:9: note: in expansion of macro 'first_msi_entry' desc = first_msi_entry(dev); ^~~~~~~~~~~~~~~ In file included from include/linux/ioport.h:13:0, from include/linux/acpi.h:25, from drivers//perf/arm_smmuv3_pmu.c:37: include/linux/msi.h:114:38: error: 'struct device' has no member named 'msi_list' #define dev_to_msi_list(dev) (&(dev)->msi_list) ^ include/linux/compiler.h:316:19: note: in definition of macro '__compiletime_assert' bool __cond = !(condition); \ ^~~~~~~~~ include/linux/compiler.h:339:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^~~~~~~~~~~~~~~~~~ include/linux/kernel.h:962:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \ ^~~~~~~~~~~~~~~~ include/linux/kernel.h:962:20: note: in expansion of macro '__same_type' BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \ ^~~~~~~~~~~ include/linux/list.h:366:2: note: in expansion of macro 'container_of' container_of(ptr, type, member) ^~~~~~~~~~~~ include/linux/list.h:377:2: note: in expansion of macro 'list_entry' list_entry((ptr)->next, type, member) ^~~~~~~~~~ include/linux/msi.h:116:2: note: in expansion of macro 'list_first_entry' list_first_entry(dev_to_msi_list((dev)), struct msi_desc, list) ^~~~~~~~~~~~~~~~ include/linux/msi.h:116:19: note: in expansion of macro 'dev_to_msi_list' list_first_entry(dev_to_msi_list((dev)), struct msi_desc, list) ^~~~~~~~~~~~~~~ >> drivers//perf/arm_smmuv3_pmu.c:638:9: note: in expansion of macro 'first_msi_entry' desc = first_msi_entry(dev); ^~~~~~~~~~~~~~~ include/linux/msi.h:114:38: error: 'struct device' has no member named 'msi_list' #define dev_to_msi_list(dev) (&(dev)->msi_list) ^ include/linux/compiler.h:316:19: note: in definition of macro '__compiletime_assert' bool __cond = !(condition); \ ^~~~~~~~~ include/linux/compiler.h:339:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^~~~~~~~~~~~~~~~~~ include/linux/kernel.h:962:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \ ^~~~~~~~~~~~~~~~ include/linux/kernel.h:963:6: note: in expansion of macro '__same_type' !__same_type(*(ptr), void), \ ^~~~~~~~~~~ include/linux/list.h:366:2: note: in expansion of macro 'container_of' container_of(ptr, type, member) ^~~~~~~~~~~~ include/linux/list.h:377:2: note: in expansion of macro 'list_entry' list_entry((ptr)->next, type, member) ^~~~~~~~~~ include/linux/msi.h:116:2: note: in expansion of macro 'list_first_entry' list_first_entry(dev_to_msi_list((dev)), struct msi_desc, list) ^~~~~~~~~~~~~~~~ include/linux/msi.h:116:19: note: in expansion of macro 'dev_to_msi_list' list_first_entry(dev_to_msi_list((dev)), struct msi_desc, list) ^~~~~~~~~~~~~~~ >> drivers//perf/arm_smmuv3_pmu.c:638:9: note: in expansion of macro 'first_msi_entry' desc = first_msi_entry(dev); ^~~~~~~~~~~~~~~ drivers//perf/arm_smmuv3_pmu.c: In function 'smmu_pmu_probe': drivers//perf/arm_smmuv3_pmu.c:745:64: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 4 has type 'resource_size_t {aka unsigned int}' [-Wformat=] name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "smmuv3_pmcg_%llx", ~~~^ %x cc1: some warnings being treated as errors vim +601 drivers//perf/arm_smmuv3_pmu.c 596 597 static void smmu_pmu_free_msis(void *data) 598 { 599 struct device *dev = data; 600 > 601 platform_msi_domain_free_irqs(dev); 602 } 603 604 static void smmu_pmu_write_msi_msg(struct msi_desc *desc, struct msi_msg *msg) 605 { 606 phys_addr_t doorbell; 607 struct device *dev = msi_desc_to_dev(desc); 608 struct smmu_pmu *pmu = dev_get_drvdata(dev); 609 610 doorbell = (((u64)msg->address_hi) << 32) | msg->address_lo; 611 doorbell &= MSI_CFG0_ADDR_MASK; 612 613 writeq_relaxed(doorbell, pmu->reg_base + SMMU_PMCG_IRQ_CFG0); 614 writel_relaxed(msg->data, pmu->reg_base + SMMU_PMCG_IRQ_CFG1); 615 writel_relaxed(MSI_CFG2_MEMATTR_DEVICE_nGnRE, 616 pmu->reg_base + SMMU_PMCG_IRQ_CFG2); 617 } 618 619 static void smmu_pmu_setup_msi(struct smmu_pmu *pmu) 620 { 621 struct msi_desc *desc; 622 struct device *dev = pmu->dev; 623 int ret; 624 625 /* Clear MSI address reg */ 626 writeq_relaxed(0, pmu->reg_base + SMMU_PMCG_IRQ_CFG0); 627 628 /* MSI supported or not */ 629 if (!(readl(pmu->reg_base + SMMU_PMCG_CFGR) & SMMU_PMCG_CFGR_MSI)) 630 return; 631 > 632 ret = platform_msi_domain_alloc_irqs(dev, 1, smmu_pmu_write_msi_msg); 633 if (ret) { 634 dev_warn(dev, "failed to allocate MSIs\n"); 635 return; 636 } 637 > 638 desc = first_msi_entry(dev); 639 if (desc) 640 pmu->irq = desc->irq; 641 642 /* Add callback to free MSIs on teardown */ 643 devm_add_action(dev, smmu_pmu_free_msis, dev); 644 } 645 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation