Hi Sibi, Thank you for the patch! Yet something to improve: [auto build test ERROR on v4.17-rc6] [also build test ERROR on next-20180517] [cannot apply to remoteproc/for-next] [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/Sibi-Sankar/remoteproc-Introduce-prepare-unprepare-ops-for-rproc-coredump/20180522-133348 config: arm64-allyesconfig (attached as .config) compiler: aarch64-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=arm64 All errors (new ones prefixed by >>): drivers/remoteproc/qcom_q6v5_pil.c: In function 'q6v5_start': >> drivers/remoteproc/qcom_q6v5_pil.c:796:3: error: implicit declaration of function 'q6v5_enable_irqs'; did you mean 'enable_irq'? [-Werror=implicit-function-declaration] q6v5_enable_irqs(qproc); ^~~~~~~~~~~~~~~~ enable_irq cc1: some warnings being treated as errors vim +796 drivers/remoteproc/qcom_q6v5_pil.c 725 726 static int q6v5_start(struct rproc *rproc) 727 { 728 struct q6v5 *qproc = (struct q6v5 *)rproc->priv; 729 int xfermemop_ret; 730 int ret; 731 732 ret = q6v5_regulator_enable(qproc, qproc->proxy_regs, 733 qproc->proxy_reg_count); 734 if (ret) { 735 dev_err(qproc->dev, "failed to enable proxy supplies\n"); 736 goto clear_coredump_pending; 737 } 738 739 ret = q6v5_clk_enable(qproc->dev, qproc->proxy_clks, 740 qproc->proxy_clk_count); 741 if (ret) { 742 dev_err(qproc->dev, "failed to enable proxy clocks\n"); 743 goto disable_proxy_reg; 744 } 745 746 ret = q6v5_regulator_enable(qproc, qproc->active_regs, 747 qproc->active_reg_count); 748 if (ret) { 749 dev_err(qproc->dev, "failed to enable supplies\n"); 750 goto disable_proxy_clk; 751 } 752 ret = reset_control_deassert(qproc->mss_restart); 753 if (ret) { 754 dev_err(qproc->dev, "failed to deassert mss restart\n"); 755 goto disable_vdd; 756 } 757 758 ret = q6v5_clk_enable(qproc->dev, qproc->active_clks, 759 qproc->active_clk_count); 760 if (ret) { 761 dev_err(qproc->dev, "failed to enable clocks\n"); 762 goto assert_reset; 763 } 764 765 /* Assign MBA image access in DDR to q6 */ 766 xfermemop_ret = q6v5_xfer_mem_ownership(qproc, &qproc->mba_perm, true, 767 qproc->mba_phys, 768 qproc->mba_size); 769 if (xfermemop_ret) { 770 dev_err(qproc->dev, 771 "assigning Q6 access to mba memory failed: %d\n", 772 xfermemop_ret); 773 goto disable_active_clks; 774 } 775 776 writel(qproc->mba_phys, qproc->rmb_base + RMB_MBA_IMAGE_REG); 777 778 ret = q6v5proc_reset(qproc); 779 if (ret) 780 goto reclaim_mba; 781 782 ret = q6v5_rmb_mba_wait(qproc, 0, 5000); 783 if (ret == -ETIMEDOUT) { 784 dev_err(qproc->dev, "MBA boot timed out\n"); 785 goto halt_axi_ports; 786 } else if (ret != RMB_MBA_XPU_UNLOCKED && 787 ret != RMB_MBA_XPU_UNLOCKED_SCRIBBLED) { 788 dev_err(qproc->dev, "MBA returned unexpected status %d\n", ret); 789 ret = -EINVAL; 790 goto halt_axi_ports; 791 } 792 793 if (qproc->coredump_pending) { 794 dev_info(qproc->dev, "MBA booted, skipping mpss for coredump\n"); 795 qproc->coredump_pending = false; > 796 q6v5_enable_irqs(qproc); 797 xfermemop_ret = q6v5_xfer_mem_ownership(qproc, 798 &qproc->mba_perm, false, 799 qproc->mba_phys, 800 qproc->mba_size); 801 if (xfermemop_ret) 802 dev_err(qproc->dev, "Failed to reclaim mba buffer\n"); 803 return 0; 804 } 805 806 dev_info(qproc->dev, "MBA booted, loading mpss\n"); 807 808 ret = q6v5_mpss_load(qproc); 809 if (ret) 810 goto reclaim_mpss; 811 812 ret = wait_for_completion_timeout(&qproc->start_done, 813 msecs_to_jiffies(5000)); 814 if (ret == 0) { 815 dev_err(qproc->dev, "start timed out\n"); 816 ret = -ETIMEDOUT; 817 goto reclaim_mpss; 818 } 819 820 xfermemop_ret = q6v5_xfer_mem_ownership(qproc, &qproc->mba_perm, false, 821 qproc->mba_phys, 822 qproc->mba_size); 823 if (xfermemop_ret) 824 dev_err(qproc->dev, 825 "Failed to reclaim mba buffer system may become unstable\n"); 826 qproc->running = true; 827 828 q6v5_clk_disable(qproc->dev, qproc->proxy_clks, 829 qproc->proxy_clk_count); 830 q6v5_regulator_disable(qproc, qproc->proxy_regs, 831 qproc->proxy_reg_count); 832 833 return 0; 834 835 reclaim_mpss: 836 xfermemop_ret = q6v5_xfer_mem_ownership(qproc, &qproc->mpss_perm, 837 false, qproc->mpss_phys, 838 qproc->mpss_size); 839 WARN_ON(xfermemop_ret); 840 841 halt_axi_ports: 842 q6v5proc_halt_axi_port(qproc, qproc->halt_map, qproc->halt_q6); 843 q6v5proc_halt_axi_port(qproc, qproc->halt_map, qproc->halt_modem); 844 q6v5proc_halt_axi_port(qproc, qproc->halt_map, qproc->halt_nc); 845 846 reclaim_mba: 847 xfermemop_ret = q6v5_xfer_mem_ownership(qproc, &qproc->mba_perm, false, 848 qproc->mba_phys, 849 qproc->mba_size); 850 if (xfermemop_ret) { 851 dev_err(qproc->dev, 852 "Failed to reclaim mba buffer, system may become unstable\n"); 853 } 854 855 disable_active_clks: 856 q6v5_clk_disable(qproc->dev, qproc->active_clks, 857 qproc->active_clk_count); 858 859 assert_reset: 860 reset_control_assert(qproc->mss_restart); 861 disable_vdd: 862 q6v5_regulator_disable(qproc, qproc->active_regs, 863 qproc->active_reg_count); 864 disable_proxy_clk: 865 q6v5_clk_disable(qproc->dev, qproc->proxy_clks, 866 qproc->proxy_clk_count); 867 disable_proxy_reg: 868 q6v5_regulator_disable(qproc, qproc->proxy_regs, 869 qproc->proxy_reg_count); 870 clear_coredump_pending: 871 qproc->coredump_pending = false; 872 873 return ret; 874 } 875 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation