Hi Sujeev, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v4.17-rc2 next-20180426] [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/Sujeev-Dias/mhi_bus-core-Add-support-for-MHI-host-interface/20180428-065959 config: alpha-allmodconfig (attached as .config) compiler: alpha-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=alpha All errors (new ones prefixed by >>): In file included from drivers/bus/mhi/controllers/mhi_qcom.c:25:0: include/linux/mhi.h:658:15: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'int' static inlint int mhi_force_rddm_mode(struct mhi_controller *mhi_cntrl) ^~~ drivers/bus/mhi/controllers/mhi_qcom.c: In function 'mhi_platform_probe': >> drivers/bus/mhi/controllers/mhi_qcom.c:587:17: error: implicit declaration of function 'memblock_start_of_DRAM'; did you mean 'memblock_alloc'? [-Werror=implicit-function-declaration] addr_win[0] = memblock_start_of_DRAM(); ^~~~~~~~~~~~~~~~~~~~~~ memblock_alloc >> drivers/bus/mhi/controllers/mhi_qcom.c:588:17: error: implicit declaration of function 'memblock_end_of_DRAM'; did you mean 'memblock_alloc'? [-Werror=implicit-function-declaration] addr_win[1] = memblock_end_of_DRAM(); ^~~~~~~~~~~~~~~~~~~~ memblock_alloc At top level: drivers/bus/mhi/controllers/mhi_qcom.c:238:12: warning: 'mhi_system_resume' defined but not used [-Wunused-function] static int mhi_system_resume(struct device *dev) ^~~~~~~~~~~~~~~~~ drivers/bus/mhi/controllers/mhi_qcom.c:186:12: warning: 'mhi_runtime_idle' defined but not used [-Wunused-function] static int mhi_runtime_idle(struct device *dev) ^~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +587 drivers/bus/mhi/controllers/mhi_qcom.c 533 534 static int mhi_platform_probe(struct platform_device *pdev) 535 { 536 struct mhi_controller *mhi_cntrl; 537 struct mhi_dev *mhi_dev; 538 struct device_node *of_node = pdev->dev.of_node; 539 u64 addr_win[2]; 540 int ret; 541 542 if (!of_node) 543 return -ENODEV; 544 545 mhi_cntrl = mhi_alloc_controller(sizeof(*mhi_dev)); 546 if (!mhi_cntrl) 547 return -ENOMEM; 548 549 mhi_dev = mhi_controller_get_devdata(mhi_cntrl); 550 551 /* get pci bus topology for this node */ 552 ret = of_property_read_u32(of_node, "qcom,pci-dev-id", 553 &mhi_cntrl->dev_id); 554 if (ret) 555 mhi_cntrl->dev_id = PCI_ANY_ID; 556 557 ret = of_property_read_u32(of_node, "qcom,pci-domain", 558 &mhi_cntrl->domain); 559 if (ret) 560 goto error_probe; 561 562 ret = of_property_read_u32(of_node, "qcom,pci-bus", &mhi_cntrl->bus); 563 if (ret) 564 goto error_probe; 565 566 ret = of_property_read_u32(of_node, "qcom,pci-slot", &mhi_cntrl->slot); 567 if (ret) 568 goto error_probe; 569 570 ret = of_property_read_u32(of_node, "qcom,smmu-cfg", 571 &mhi_dev->smmu_cfg); 572 if (ret) 573 goto error_probe; 574 575 /* if s1 translation enabled pull iova addr from dt */ 576 if (mhi_dev->smmu_cfg & MHI_SMMU_ATTACH && 577 !(mhi_dev->smmu_cfg & MHI_SMMU_S1_BYPASS)) { 578 ret = of_property_count_elems_of_size(of_node, "qcom,addr-win", 579 sizeof(addr_win)); 580 if (ret != 1) 581 goto error_probe; 582 ret = of_property_read_u64_array(of_node, "qcom,addr-win", 583 addr_win, 2); 584 if (ret) 585 goto error_probe; 586 } else { > 587 addr_win[0] = memblock_start_of_DRAM(); > 588 addr_win[1] = memblock_end_of_DRAM(); 589 } 590 591 mhi_dev->iova_start = addr_win[0]; 592 mhi_dev->iova_stop = addr_win[1]; 593 594 /* 595 * if S1 is enabled, set MHI_CTRL start address to 0 so we can use low 596 * level mapping api to map buffers outside of smmu domain 597 */ 598 if (mhi_dev->smmu_cfg & MHI_SMMU_ATTACH && 599 !(mhi_dev->smmu_cfg & MHI_SMMU_S1_BYPASS)) 600 mhi_cntrl->iova_start = 0; 601 else 602 mhi_cntrl->iova_start = addr_win[0]; 603 604 mhi_cntrl->iova_stop = mhi_dev->iova_stop; 605 mhi_cntrl->of_node = of_node; 606 607 /* setup power management apis */ 608 mhi_cntrl->status_cb = mhi_status_cb; 609 mhi_cntrl->runtime_get = mhi_runtime_get; 610 mhi_cntrl->runtime_put = mhi_runtime_put; 611 mhi_cntrl->link_status = mhi_link_status; 612 613 mhi_dev->pdev = pdev; 614 615 ret = mhi_arch_platform_init(mhi_dev); 616 if (ret) 617 goto error_probe; 618 619 ret = of_register_mhi_controller(mhi_cntrl); 620 if (ret) 621 goto error_register; 622 623 if (mhi_cntrl->parent) 624 debugfs_create_file("debug_mode", 0444, mhi_cntrl->parent, 625 mhi_cntrl, &debugfs_debug_ops); 626 627 return 0; 628 629 error_register: 630 mhi_arch_platform_deinit(mhi_dev); 631 632 error_probe: 633 mhi_free_controller(mhi_cntrl); 634 635 return -EINVAL; 636 }; 637 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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