Merge android-4.4.116 (20ddb25) into msm-4.4

* refs/heads/tmp-20ddb25
  Linux 4.4.116
  ftrace: Remove incorrect setting of glob search field
  mn10300/misalignment: Use SIGSEGV SEGV_MAPERR to report a failed user copy
  ovl: fix failure to fsync lower dir
  ACPI: sbshc: remove raw pointer from printk() message
  nvme: Fix managing degraded controllers
  btrfs: Handle btrfs_set_extent_delalloc failure in fixup worker
  pktcdvd: Fix pkt_setup_dev() error path
  EDAC, octeon: Fix an uninitialized variable warning
  xtensa: fix futex_atomic_cmpxchg_inatomic
  alpha: fix reboot on Avanti platform
  alpha: fix crash if pthread_create races with signal delivery
  signal/sh: Ensure si_signo is initialized in do_divide_error
  signal/openrisc: Fix do_unaligned_access to send the proper signal
  Bluetooth: btusb: Restore QCA Rome suspend/resume fix with a "rewritten" version
  Revert "Bluetooth: btusb: fix QCA Rome suspend/resume"
  Bluetooth: btsdio: Do not bind to non-removable BCM43341
  HID: quirks: Fix keyboard + touchpad on Toshiba Click Mini not working
  kernel/async.c: revert "async: simplify lowest_in_progress()"
  media: cxusb, dib0700: ignore XC2028_I2C_FLUSH
  media: ts2020: avoid integer overflows on 32 bit machines
  watchdog: imx2_wdt: restore previous timeout after suspend+resume
  KVM: nVMX: Fix races when sending nested PI while dest enters/leaves L2
  arm: KVM: Fix SMCCC handling of unimplemented SMC/HVC calls
  crypto: caam - fix endless loop when DECO acquire fails
  media: v4l2-compat-ioctl32.c: refactor compat ioctl32 logic
  media: v4l2-compat-ioctl32.c: don't copy back the result for certain errors
  media: v4l2-compat-ioctl32.c: drop pr_info for unknown buffer type
  media: v4l2-compat-ioctl32.c: copy clip list in put_v4l2_window32
  media: v4l2-compat-ioctl32: Copy v4l2_window->global_alpha
  media: v4l2-compat-ioctl32.c: make ctrl_is_pointer work for subdevs
  media: v4l2-compat-ioctl32.c: fix ctrl_is_pointer
  media: v4l2-compat-ioctl32.c: copy m.userptr in put_v4l2_plane32
  media: v4l2-compat-ioctl32.c: avoid sizeof(type)
  media: v4l2-compat-ioctl32.c: move 'helper' functions to __get/put_v4l2_format32
  media: v4l2-compat-ioctl32.c: fix the indentation
  media: v4l2-compat-ioctl32.c: add missing VIDIOC_PREPARE_BUF
  vb2: V4L2_BUF_FLAG_DONE is set after DQBUF
  media: v4l2-ioctl.c: don't copy back the result for -ENOTTY
  nsfs: mark dentry with DCACHE_RCUACCESS
  crypto: poly1305 - remove ->setkey() method
  crypto: cryptd - pass through absence of ->setkey()
  crypto: hash - introduce crypto_hash_alg_has_setkey()
  ahci: Add Intel Cannon Lake PCH-H PCI ID
  ahci: Add PCI ids for Intel Bay Trail, Cherry Trail and Apollo Lake AHCI
  ahci: Annotate PCI ids for mobile Intel chipsets as such
  kernfs: fix regression in kernfs_fop_write caused by wrong type
  NFS: reject request for id_legacy key without auxdata
  NFS: commit direct writes even if they fail partially
  NFS: Add a cond_resched() to nfs_commit_release_pages()
  nfs/pnfs: fix nfs_direct_req ref leak when i/o falls back to the mds
  ubi: block: Fix locking for idr_alloc/idr_remove
  mtd: nand: sunxi: Fix ECC strength choice
  mtd: nand: Fix nand_do_read_oob() return value
  mtd: nand: brcmnand: Disable prefetch by default
  mtd: cfi: convert inline functions to macros
  media: dvb-usb-v2: lmedm04: move ts2020 attach to dm04_lme2510_tuner
  media: dvb-usb-v2: lmedm04: Improve logic checking of warm start
  dccp: CVE-2017-8824: use-after-free in DCCP code
  sched/rt: Up the root domain ref count when passing it around via IPIs
  sched/rt: Use container_of() to get root domain in rto_push_irq_work_func()
  usb: gadget: uvc: Missing files for configfs interface
  posix-timer: Properly check sigevent->sigev_notify
  netfilter: nf_queue: Make the queue_handler pernet
  kaiser: fix compile error without vsyscall
  x86/kaiser: fix build error with KASAN && !FUNCTION_GRAPH_TRACER
  dmaengine: dmatest: fix container_of member in dmatest_callback
  CIFS: zero sensitive data when freeing
  cifs: Fix autonegotiate security settings mismatch
  cifs: Fix missing put_xid in cifs_file_strict_mmap
  powerpc/pseries: include linux/types.h in asm/hvcall.h
  x86/microcode: Do the family check first
  x86/microcode/AMD: Do not load when running on a hypervisor
  crypto: tcrypt - fix S/G table for test_aead_speed()
  don't put symlink bodies in pagecache into highmem
  KEYS: encrypted: fix buffer overread in valid_master_desc()
  media: soc_camera: soc_scale_crop: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE
  vhost_net: stop device during reset owner
  tcp: release sk_frag.page in tcp_disconnect
  r8169: fix RTL8168EP take too long to complete driver initialization.
  qlcnic: fix deadlock bug
  net: igmp: add a missing rcu locking section
  ip6mr: fix stale iterator
  x86/asm: Fix inline asm call constraints for GCC 4.4
  drm: rcar-du: Fix race condition when disabling planes at CRTC stop
  drm: rcar-du: Use the VBK interrupt for vblank events
  ASoC: rsnd: avoid duplicate free_irq()
  ASoC: rsnd: don't call free_irq() on Parent SSI
  ASoC: simple-card: Fix misleading error message
  net: cdc_ncm: initialize drvflags before usage
  usbip: fix 3eee23c3ec14 tcp_socket address still in the status file
  usbip: vhci_hcd: clear just the USB_PORT_STAT_POWER bit
  ASoC: pcm512x: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE
  powerpc/64s: Allow control of RFI flush via debugfs
  powerpc/64s: Wire up cpu_show_meltdown()
  powerpc/powernv: Check device-tree for RFI flush settings
  powerpc/pseries: Query hypervisor for RFI flush settings
  powerpc/64s: Support disabling RFI flush with no_rfi_flush and nopti
  powerpc/64s: Add support for RFI flush of L1-D cache
  powerpc/64s: Convert slb_miss_common to use RFI_TO_USER/KERNEL
  powerpc/64: Convert the syscall exit path to use RFI_TO_USER/KERNEL
  powerpc/64: Convert fast_exception_return to use RFI_TO_USER/KERNEL
  powerpc/64s: Simple RFI macro conversions
  powerpc/64: Add macros for annotating the destination of rfid/hrfid
  powerpc/pseries: Add H_GET_CPU_CHARACTERISTICS flags & wrapper
  powerpc: Simplify module TOC handling
  powerpc: Fix VSX enabling/flushing to also test MSR_FP and MSR_VEC
  powerpc/64: Fix flush_(d|i)cache_range() called from modules
  powerpc/bpf/jit: Disable classic BPF JIT on ppc64le
  BACKPORT: xfrm: Fix return value check of copy_sec_ctx.
  time: Fix ktime_get_raw() incorrect base accumulation
  sched/fair: prevent possible infinite loop in sched_group_energy
  UPSTREAM: MIPS: Fix build of compressed image
  ANDROID: qtaguid: Fix the UAF probelm with tag_ref_tree
  UPSTREAM: ANDROID: binder: remove waitqueue when thread exits.
  UPSTREAM: arm64/efi: Make strnlen() available to the EFI namespace
  UPSTREAM: ARM: boot: Add an implementation of strnlen for libfdt
  ANDROID: MIPS: Add ranchu[32r5|32r6|64]_defconfig
  FROMLIST: tty: goldfish: Enable 'earlycon' only if built-in
  FROMLIST: MIPS: ranchu: Add Ranchu as a new generic-based board
  FROMLIST: MIPS: Add noexec=on|off kernel parameter
  FROMLIST: MIPS: CPC: Map registers using DT in mips_cpc_default_phys_base()
  FROMLIST: dt-bindings: Document mti,mips-cpc binding
  FROMLIST: MIPS: math-emu: Mark fall throughs in switch statements with a comment
  FROMLIST: MIPS: math-emu: Avoid multiple assignment
  FROMLIST: MIPS: math-emu: Avoid an assignment within if statement condition
  FROMLIST: MIPS: math-emu: Declare function srl128() as static
  FROMLIST: MIPS: math-emu: Avoid definition duplication for macro DPXMULT()
  FROMLIST: MIPS: math-emu: Remove an unnecessary header inclusion
  UPSTREAM: scripts/dtc: Update to upstream version 0931cea3ba20
  UPSTREAM: scripts/dtc: dt_to_config - kernel config options for a devicetree
  UPSTREAM: scripts/dtc: Update to upstream version 53bf130b1cdd
  UPSTREAM: scripts/dtc: Update to upstream commit b06e55c88b9b
  UPSTREAM: scripts/dtc: dtx_diff - add info to error message
  UPSTREAM: dtc: create tool to diff device trees
  UPSTREAM: config: android-base: disable CONFIG_NFSD and CONFIG_NFS_FS
  UPSTREAM: config: android-base: add CGROUP_BPF
  UPSTREAM: config: android-base: add CONFIG_MODULES option
  UPSTREAM: config: android-base: add CONFIG_IKCONFIG option
  UPSTREAM: config: android-base: disable CONFIG_USELIB and CONFIG_FHANDLE
  UPSTREAM: config: android-base: enable hardened usercopy and kernel ASLR
  UPSTREAM: config: android: enable CONFIG_SECCOMP
  UPSTREAM: config: android: set SELinux as default security mode
  UPSTREAM: config: android: move device mapper options to recommended
  UPSTREAM: config/android: Remove CONFIG_IPV6_PRIVACY
  UPSTREAM: config: add android config fragments
  BACKPORT: MIPS: generic: Add a MAINTAINERS entry
  BACKPORT: irqchip/irq-goldfish-pic: Add Goldfish PIC driver
  UPSTREAM: dt-bindings/goldfish-pic: Add device tree binding for Goldfish PIC driver
  UPSTREAM: MIPS: Allow storing pgd in C0_CONTEXT for MIPSr6
  UPSTREAM: MIPS: CPS: Handle spurious VP starts more gracefully
  UPSTREAM: MIPS: CPS: Handle cores not powering down more gracefully
  UPSTREAM: MIPS: CPS: Prevent multi-core with dcache aliasing
  UPSTREAM: MIPS: CPS: Select CONFIG_SYS_SUPPORTS_SCHED_SMT for MIPSr6
  UPSTREAM: MIPS: CM: WARN on attempt to lock invalid VP, not BUG
  UPSTREAM: MIPS: CM: Avoid per-core locking with CM3 & higher
  UPSTREAM: MIPS: smp-cps: Avoid BUG() when offlining pre-r6 CPUs
  UPSTREAM: MIPS: smp-cps: Add support for CPU hotplug of MIPSr6 processors
  UPSTREAM: MIPS: generic: Bump default NR_CPUS to 16
  UPSTREAM: MIPS: pm-cps: Change FSB workaround to CPU blacklist
  UPSTREAM: MIPS: Fix early CM probing
  UPSTREAM: MIPS: smp-cps: Stop printing EJTAG exceptions to UART
  UPSTREAM: MIPS: smp-cps: Add nothreads kernel parameter
  UPSTREAM: MIPS: smp-cps: Support MIPSr6 Virtual Processors
  UPSTREAM: MIPS: smp-cps: Skip core setup if coherent
  UPSTREAM: MIPS: smp-cps: Pull boot config retrieval out of mips_cps_boot_vpes
  UPSTREAM: MIPS: smp-cps: Pull cache init into a function
  UPSTREAM: MIPS: smp-cps: Ensure our VP ident calculation is correct
  UPSTREAM: irqchip: mips-gic: Provide VP ID accessor
  UPSTREAM: irqchip: mips-gic: Use HW IDs for VPE_OTHER_ADDR
  UPSTREAM: MIPS: CM: Fix mips_cm_max_vp_width for UP kernels
  UPSTREAM: MIPS: CM: Add CM GCR_BEV_BASE accessors
  UPSTREAM: MIPS: CPC: Add start, stop and running CM3 CPC registers
  UPSTREAM: MIPS: pm-cps: Avoid offset overflow on MIPSr6
  UPSTREAM: MIPS: traps: Make sure secondary cores have a sane ebase register
  UPSTREAM: MIPS: Detect MIPSr6 Virtual Processor support
  UPSTREAM: Documentation: Add device tree binding for Goldfish FB driver
  UPSTREAM: MIPS: math-emu: Use preferred flavor of unsigned integer declarations
  UPSTREAM: MIPS: math-emu: <MADDF|MSUBF>.D: Fix accuracy (64-bit case)
  UPSTREAM: MIPS: math-emu: <MADDF|MSUBF>.S: Fix accuracy (32-bit case)
  UPSTREAM: MIPS: Update Goldfish RTC driver maintainer email address
  UPSTREAM: MIPS: Update RINT emulation maintainer email address
  UPSTREAM: MIPS: math-emu: do not use bools for arithmetic
  UPSTREAM: rtc: goldfish: Add RTC driver for Android emulator
  BACKPORT: dt-bindings: Add device tree binding for Goldfish RTC driver
  UPSTREAM: tty: goldfish: Implement support for kernel 'earlycon' parameter
  UPSTREAM: tty: goldfish: Use streaming DMA for r/w operations on Ranchu platforms
  UPSTREAM: tty: goldfish: Refactor constants to better reflect their nature
  UPSTREAM: MIPS: math-emu: Add FP emu debugfs stats for individual instructions
  UPSTREAM: MIPS: math-emu: Add FP emu debugfs clear functionality
  UPSTREAM: MIPS: math-emu: Add FP emu debugfs statistics for branches
  BACKPORT: MIPS: math-emu: CLASS.D: Zero bits 32-63 of the result
  BACKPORT: MIPS: math-emu: RINT.<D|S>: Fix several problems by reimplementation
  UPSTREAM: MIPS: math-emu: CMP.Sxxx.<D|S>: Prevent occurrences of SIGILL crashes
  UPSTREAM: MIPS: math-emu: <MADDF|MSUBF>.<D|S>: Clean up "maddf_flags" enumeration
  UPSTREAM: MIPS: math-emu: <MADDF|MSUBF>.<D|S>: Fix some cases of zero inputs
  UPSTREAM: MIPS: math-emu: <MADDF|MSUBF>.<D|S>: Fix some cases of infinite inputs
  UPSTREAM: MIPS: math-emu: <MADDF|MSUBF>.<D|S>: Fix NaN propagation
  UPSTREAM: tty: goldfish: Fix a parameter of a call to free_irq
  UPSTREAM: MIPS: VDSO: Fix clobber lists in fallback code paths
  UPSTREAM: MIPS: VDSO: Fix a mismatch between comment and preprocessor constant
  UPSTREAM: MIPS: VDSO: Add implementation of gettimeofday() fallback
  UPSTREAM: MIPS: VDSO: Add implementation of clock_gettime() fallback
  UPSTREAM: MIPS: VDSO: Fix conversions in do_monotonic()/do_monotonic_coarse()
  UPSTREAM: MIPS: unaligned: Add DSP lwx & lhx missaligned access support
  UPSTREAM: MIPS: build: Fix "-modd-spreg" switch usage when compiling for mips32r6
  UPSTREAM: MIPS: cmdline: Add support for 'memmap' parameter
  UPSTREAM: MIPS: math-emu: Handle zero accumulator case in MADDF and MSUBF separately
  UPSTREAM: MIPS: Support per-device DMA coherence
  UPSTREAM: MIPS: dma-default: Don't check hw_coherentio if device is non-coherent
  UPSTREAM: MIPS: Sanitise coherentio semantics
  UPSTREAM: MIPS: CPC: Provide default mips_cpc_default_phys_base to ignore CPC
  UPSTREAM: MIPS: generic: Introduce generic DT-based board support
  UPSTREAM: MIPS: Support generating Flattened Image Trees (.itb)
  UPSTREAM: MIPS: Allow emulation for unaligned [LS]DXC1 instructions
  UPSTREAM: MIPS: math-emu: Fix BC1EQZ and BC1NEZ condition handling
  UPSTREAM: MIPS: r2-on-r6-emu: Clear BLTZALL and BGEZALL debugfs counters
  UPSTREAM: MIPS: r2-on-r6-emu: Fix BLEZL and BGTZL identification
  UPSTREAM: MIPS: remove aliasing alignment if HW has antialising support
  BACKPORT: MIPS: store the appended dtb address in a variable
  UPSTREAM: MIPS: Fix FCSR Cause bit handling for correct SIGFPE issue
  UPSTREAM: MIPS: kernel: Audit and remove any unnecessary uses of module.h
  UPSTREAM: MIPS: c-r4k: Fix sigtramp SMP call to use kmap
  UPSTREAM: MIPS: c-r4k: Fix protected_writeback_scache_line for EVA
  UPSTREAM: MIPS: Spelling fix lets -> let's
  UPSTREAM: MIPS: R6: Fix typo
  UPSTREAM: MIPS: traps: Correct the SIGTRAP debug ABI in `do_watch' and `do_trap_or_bp'
  UPSTREAM: MIPS: inst.h: Rename cbcond{0,1}_op to pop{1,3}0_op
  UPSTREAM: MIPS: inst.h: Rename b{eq,ne}zcji[al]c_op to pop{6,7}6_op
  UPSTREAM: MIPS: math-emu: Fix m{add,sub}.s shifts
  UPSTREAM: MIPS: inst: Declare fsel_op for sel.fmt instruction
  UPSTREAM: MIPS: math-emu: Fix code indentation
  UPSTREAM: MIPS: math-emu: Fix bit-width in ieee754dp_{mul, maddf, msubf} comments
  UPSTREAM: MIPS: math-emu: Add z argument macros
  UPSTREAM: MIPS: math-emu: Unify ieee754dp_m{add,sub}f
  UPSTREAM: MIPS: math-emu: Unify ieee754sp_m{add,sub}f
  UPSTREAM: MIPS: math-emu: Emulate MIPSr6 sel.fmt instruction
  UPSTREAM: MIPS: math-emu: Fix BC1{EQ,NE}Z emulation
  UPSTREAM: MIPS: math-emu: Always propagate sNaN payload in quieting
  UPSTREAM: MIPS: Fix misspellings in comments.
  UPSTREAM: MIPS: math-emu: Add IEEE Std 754-2008 NaN encoding emulation
  UPSTREAM: MIPS: math-emu: Add IEEE Std 754-2008 ABS.fmt and NEG.fmt emulation
  UPSTREAM: MIPS: non-exec stack & heap when non-exec PT_GNU_STACK is present
  UPSTREAM: MIPS: Add IEEE Std 754 conformance mode selection
  UPSTREAM: MIPS: Determine the presence of IEEE Std 754-2008 features
  UPSTREAM: MIPS: Define the legacy-NaN and 2008-NaN features
  UPSTREAM: MIPS: ELF: Interpret the NAN2008 file header flag
  UPSTREAM: ELF: Also pass any interpreter's file header to `arch_check_elf'
  UPSTREAM: MIPS: Use a union to access the ELF file header
  UPSTREAM: MIPS: Fix delay slot emulation count in debugfs
  BACKPORT: exit_thread: accept a task parameter to be exited
  UPSTREAM: mn10300: let exit_fpu accept a task
  UPSTREAM: MIPS: Use per-mm page to execute branch delay slot instructions
  BACKPORT: s390: get rid of exit_thread()
  BACKPORT: exit_thread: remove empty bodies
  UPSTREAM: MIPS: Make flush_thread
  UPSTREAM: MIPS: Properly disable FPU in start_thread()
  UPSTREAM: MIPS: Select CONFIG_HANDLE_DOMAIN_IRQ and make it work.
  UPSTREAM: MIPS: math-emu: Fix typo
  UPSTREAM: MIPS: math-emu: dsemul: Remove an unused bit in ADDIUPC emulation
  UPSTREAM: MIPS: math-emu: dsemul: Reduce `get_isa16_mode' clutter
  UPSTREAM: MIPS: math-emu: dsemul: Correct description of the emulation frame
  UPSTREAM: MIPS: math-emu: Correct the emulation of microMIPS ADDIUPC instruction
  UPSTREAM: MIPS: math-emu: Make microMIPS branch delay slot emulation work
  UPSTREAM: MIPS: math-emu: dsemul: Fix ill formatting of microMIPS part
  UPSTREAM: MIPS: math-emu: Correctly handle NOP emulation

Conflicts:
	drivers/irqchip/Kconfig
	drivers/irqchip/Makefile
	drivers/media/v4l2-core/v4l2-compat-ioctl32.c

Change-Id: I98374358ab24ce80dba3afa2f4562c71f45b7aab
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>

1 files changed, 176 insertions, 0 deletions

diff --git a/arch/mips/generic/init.c b/arch/mips/generic/init.c
new file mode 100644
index 000000000000..0ea73e845440
--- /dev/null
+++ b/arch/mips/generic/init.c
@@ -0,0 +1,176 @@
+/*
+ * Copyright (C) 2016 Imagination Technologies
+ * Author: Paul Burton <paul.burton@imgtec.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/clocksource.h>
+#include <linux/init.h>
+#include <linux/irqchip.h>
+#include <linux/of_fdt.h>
+#include <linux/of_platform.h>
+
+#include <asm/fw/fw.h>
+#include <asm/irq_cpu.h>
+#include <asm/machine.h>
+#include <asm/mips-cpc.h>
+#include <asm/prom.h>
+#include <asm/smp-ops.h>
+#include <asm/time.h>
+
+static __initdata const void *fdt;
+static __initdata const struct mips_machine *mach;
+static __initdata const void *mach_match_data;
+
+void __init prom_init(void)
+{
+	const struct mips_machine *check_mach;
+	const struct of_device_id *match;
+
+	if ((fw_arg0 == -2) && !fdt_check_header((void *)fw_arg1)) {
+		/*
+		 * We booted using the UHI boot protocol, so we have been
+		 * provided with the appropriate device tree for the board.
+		 * Make use of it & search for any machine struct based upon
+		 * the root compatible string.
+		 */
+		fdt = (void *)fw_arg1;
+
+		for_each_mips_machine(check_mach) {
+			match = mips_machine_is_compatible(check_mach, fdt);
+			if (match) {
+				mach = check_mach;
+				mach_match_data = match->data;
+				break;
+			}
+		}
+	} else if (IS_ENABLED(CONFIG_LEGACY_BOARDS)) {
+		/*
+		 * We weren't booted using the UHI boot protocol, but do
+		 * support some number of boards with legacy boot protocols.
+		 * Attempt to find the right one.
+		 */
+		for_each_mips_machine(check_mach) {
+			if (!check_mach->detect)
+				continue;
+
+			if (!check_mach->detect())
+				continue;
+
+			mach = check_mach;
+		}
+
+		/*
+		 * If we don't recognise the machine then we can't continue, so
+		 * die here.
+		 */
+		BUG_ON(!mach);
+
+		/* Retrieve the machine's FDT */
+		fdt = mach->fdt;
+	}
+
+	BUG_ON(!fdt);
+}
+
+void __init *plat_get_fdt(void)
+{
+	return (void *)fdt;
+}
+
+void __init plat_mem_setup(void)
+{
+	if (mach && mach->fixup_fdt)
+		fdt = mach->fixup_fdt(fdt, mach_match_data);
+
+	strlcpy(arcs_cmdline, boot_command_line, COMMAND_LINE_SIZE);
+	__dt_setup_arch((void *)fdt);
+}
+
+void __init device_tree_init(void)
+{
+	int err;
+
+	unflatten_and_copy_device_tree();
+	mips_cpc_probe();
+
+	err = register_cps_smp_ops();
+	if (err)
+		err = register_up_smp_ops();
+}
+
+void __init plat_time_init(void)
+{
+	struct device_node *np;
+	struct clk *clk;
+
+	of_clk_init(NULL);
+
+	if (!cpu_has_counter) {
+		mips_hpt_frequency = 0;
+	} else if (mach && mach->measure_hpt_freq) {
+		mips_hpt_frequency = mach->measure_hpt_freq();
+	} else {
+		np = of_get_cpu_node(0, NULL);
+		if (!np) {
+			pr_err("Failed to get CPU node\n");
+			return;
+		}
+
+		clk = of_clk_get(np, 0);
+		if (IS_ERR(clk)) {
+			pr_err("Failed to get CPU clock: %ld\n", PTR_ERR(clk));
+			return;
+		}
+
+		mips_hpt_frequency = clk_get_rate(clk);
+		clk_put(clk);
+
+		switch (boot_cpu_type()) {
+		case CPU_20KC:
+		case CPU_25KF:
+			/* The counter runs at the CPU clock rate */
+			break;
+		default:
+			/* The counter runs at half the CPU clock rate */
+			mips_hpt_frequency /= 2;
+			break;
+		}
+	}
+
+	clocksource_probe();
+}
+
+void __init arch_init_irq(void)
+{
+	struct device_node *intc_node;
+
+	intc_node = of_find_compatible_node(NULL, NULL,
+					    "mti,cpu-interrupt-controller");
+	if (!cpu_has_veic && !intc_node)
+		mips_cpu_irq_init();
+
+	irqchip_init();
+}
+
+static int __init publish_devices(void)
+{
+	if (!of_have_populated_dt())
+		panic("Device-tree not present");
+
+	if (of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL))
+		panic("Failed to populate DT");
+
+	return 0;
+}
+arch_initcall(publish_devices);
+
+void __init prom_free_prom_memory(void)
+{
+}