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Santosh Shilimkar 68a154fc53 ARM: 7681/1: hw_breakpoint: use warn_once to avoid spam from reset_ctrl_regs() 
CPU debug features like hardware break, watchpoints can be used only
when the debug mode is enabled and available. Unfortunately on OMAP4
based devices, after a CPU power cycle, the debug feature gets disabled
which leads to a flood of messages coming from reset_ctrl_regs() which
gets called on every CPU_PM_EXIT with CPUidle enabled.

So make use of warn_once() so that system is usable.

Thanks to Will for pointers and Lokesh for the analysis of the issue.

Tested-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-03-22 17:16:56 +00:00
..
.gitignore
…
arch_timer.c
ARM: arch_timer: include linux/errno.h
2013-02-15 19:32:03 +01:00
armksyms.c
Merge branches 'audit', 'delay', 'fixes', 'misc' and 'sta2x11' into for-linus
2012-07-27 23:06:32 +01:00
arthur.c
…
asm-offsets.c
ARM: 7659/1: mm: make mm->context.id an atomic64_t variable
2013-03-03 22:54:14 +00:00
atags_compat.c
ARM: 7505/1: split out ATAGS parsing
2012-09-03 22:55:56 +01:00
atags_parse.c
ARM: 7505/1: split out ATAGS parsing
2012-09-03 22:55:56 +01:00
atags_proc.c
ARM: 7505/1: split out ATAGS parsing
2012-09-03 22:55:56 +01:00
atags.h
ARM: 7506/1: allow for ATAGS to be configured out when DT support is selected
2012-09-03 22:56:15 +01:00
bios32.c
ARM: 7648/1: pci: Allow passing per-controller private data
2013-02-16 17:54:25 +00:00
calls.S
ARM: 7665/1: Wire up kcmp syscall
2013-03-03 22:54:18 +00:00
cpuidle.c
cpuidle: Add common time keeping and irq enabling
2012-03-21 01:59:40 -04:00
crash_dump.c
crash_dump: export is_kdump_kernel to modules, consolidate elfcorehdr_addr, setup_elfcorehdr and saved_max_pfn
2011-03-23 19:47:19 -07:00
debug.S
ARM: compile fix for DEBUG_LL=y && MMU=n
2013-01-16 14:30:06 -08:00
devtree.c
ARM: 7585/1: kernel: fix nr_cpu_ids check in DT logical map init
2012-11-23 13:01:31 +00:00
dma-isa.c
ARM: dma-isa: request cascade channel after registering it
2009-12-24 18:34:08 +00:00
dma.c
locking, ARM: Annotate low level hw locks as raw
2011-09-13 11:12:14 +02:00
early_printk.c
ARM: Add an earlyprintk debug console
2009-12-09 10:02:18 +00:00
elf.c
Disintegrate asm/system.h for ARM
2012-03-28 18:30:01 +01:00
entry-armv.S
ARM: Fix undefined instruction exception handling
2012-07-31 12:04:30 +01:00
entry-common.S
arm: switch to generic sigaltstack
2013-02-03 18:15:46 -05:00
entry-header.S
Merge branch 'devel-stable' into for-next
2011-07-22 23:09:07 +01:00
etm.c
ARM: drivers: remove __dev* attributes.
2013-01-03 15:57:04 -08:00
fiq.c
ARM: fiq: change FIQ_START to a variable
2012-07-01 21:59:19 +08:00
fiqasm.S
ARM: 6938/1: fiq: Refactor {get,set}_fiq_regs() for Thumb-2
2011-05-26 10:31:06 +01:00
ftrace.c
ARM: 7468/1: ftrace: Trace function entry before updating index
2012-07-31 10:30:42 +01:00
head-common.S
arm/dt: Make __vet_atags also accept a dtb image
2011-05-11 15:12:32 +02:00
head-nommu.S
ARM: 7591/1: nommu: Enable the strict alignment (CR_A) bit only if ARCH < v6
2012-12-07 11:48:57 +00:00
head.S
ARM: 7657/1: head: fix swapper and idmap population with LPAE and big-endian
2013-03-03 22:54:13 +00:00
hw_breakpoint.c
ARM: 7681/1: hw_breakpoint: use warn_once to avoid spam from reset_ctrl_regs()
2013-03-22 17:16:56 +00:00
hyp-stub.S
ARM: virt: simplify __hyp_stub_install epilog
2013-01-10 21:08:55 +00:00
insn.c
ARM: fix missing bug.h include in arch/arm/kernel/insn.c
2012-03-30 11:51:46 +01:00
insn.h
ARM: 7334/1: add jump label support
2012-03-24 09:38:56 +00:00
io.c
arm: convert core files from module.h to export.h
2011-10-31 19:30:49 -04:00
irq.c
arm: add set_handle_irq() to register the parent IRQ controller handler function
2013-01-10 11:44:38 -06:00
isa.c
sysctl: Drop & in front of every proc_handler.
2009-11-18 08:37:40 -08:00
iwmmxt.S
ARM: pxa: fix logic error in PJ4 iWMMXt handling
2011-08-11 10:10:26 +08:00
jump_label.c
ARM: 7334/1: add jump label support
2012-03-24 09:38:56 +00:00
kgdb.c
kgdb,arm: fix register dump
2010-10-29 13:14:40 -05:00
kprobes-arm.c
ARM: 7181/1: Restrict kprobes probing SWP instructions to ARMv5 and below
2011-11-30 23:54:54 +00:00
kprobes-common.c
Disintegrate asm/system.h for ARM
2012-03-28 18:30:01 +01:00
kprobes-test-arm.c
ARM: kprobes: make more tests conditional
2012-10-09 17:07:43 +02:00
kprobes-test-thumb.c
ARM: 7174/1: Fix build error in kprobes test code on Thumb2 kernels
2011-11-26 21:58:53 +00:00
kprobes-test.c
treewide: fix printk typo in multiple drivers
2012-11-19 11:08:17 +01:00
kprobes-test.h
ARM: 7174/1: Fix build error in kprobes test code on Thumb2 kernels
2011-11-26 21:58:53 +00:00
kprobes-thumb.c
ARM: 7423/1: kprobes: run t32_simulate_ldr_literal() without insn slot
2012-06-14 15:11:44 +01:00
kprobes.c
hlist: drop the node parameter from iterators
2013-02-27 19:10:24 -08:00
kprobes.h
ARM: kprobes: Add exports for test code
2011-09-20 18:17:43 +00:00
machine_kexec.c
ARM: 7555/1: kexec: fix segment memory addresses check
2012-10-18 11:05:19 +01:00
Makefile
ARM: psci: add support for PSCI invocations from the kernel
2013-01-10 21:10:20 +00:00
module.c
ARM: 7059/1: LPAE: Use PMD_(SHIFT|SIZE|MASK) instead of PGDIR_*
2011-08-23 15:30:33 +01:00
opcodes.c
ARM: 7206/1: Add generic ARM instruction set condition code checks.
2011-12-13 08:52:02 +00:00
patch.c
ARM: 7332/1: extract out code patch function from kprobes
2012-03-24 09:38:55 +00:00
patch.h
ARM: 7332/1: extract out code patch function from kprobes
2012-03-24 09:38:55 +00:00
perf_event_cpu.c
ARM: perf: handle armpmu_register failing
2013-01-18 13:46:09 +00:00
perf_event_v6.c
ARM: perf: don't pretend to support counting of L1I writes
2013-01-16 12:01:59 +00:00
perf_event_v7.c
ARM: 7663/1: perf: fix ARMv7 EVTYPE_MASK to include NSH bit
2013-03-03 22:54:17 +00:00
perf_event_xscale.c
ARM: perf: don't pretend to support counting of L1I writes
2013-01-16 12:01:59 +00:00
perf_event.c
ARM: 7667/1: perf: Fix section mismatch on armpmu_init()
2013-03-06 23:45:43 +00:00
pj4-cp0.c
arm: remove several unnecessary module.h include instances
2011-10-31 19:30:48 -04:00
process.c
ARM idle: delete pm_idle
2013-02-17 23:37:04 -05:00
psci.c
ARM: psci: add support for PSCI invocations from the kernel
2013-01-10 21:10:20 +00:00
ptrace.c
ARM: 7595/1: syscall: rework ordering in syscall_trace_exit
2012-12-11 00:18:26 +00:00
relocate_kernel.S
ARM: 7065/1: kexec: ensure new kernel is entered in ARM state
2011-08-28 10:39:41 +01:00
return_address.c
arm: convert core files from module.h to export.h
2011-10-31 19:30:49 -04:00
sched_clock.c
ARM: 7643/1: sched: correct update_sched_clock()
2013-02-11 17:33:08 +00:00
setup.c
ARM: 7680/1: Detect support for SDIV/UDIV from ISAR0 register
2013-03-22 17:16:55 +00:00
signal.c
arm: switch to struct ksignal * passing
2013-02-14 09:21:16 -05:00
signal.h
ARM: 7471/1: Revert "7442/1: Revert "remove unused restart trampoline""
2012-07-28 11:11:51 +01:00
sleep.S
Disintegrate asm/system.h for ARM
2012-03-28 18:30:01 +01:00
smp_scu.c
ARM: scu: mask cluster id from cpu_logical_map
2013-01-31 13:54:16 -06:00
smp_tlb.c
ARM: 7660/1: tlb: add branch predictor maintenance operations
2013-03-03 22:54:15 +00:00
smp_twd.c
ARM: 7655/1: smp_twd: make twd_local_timer_of_register() no-op for nosmp
2013-03-03 22:54:12 +00:00
smp.c
ARM: 7674/1: smp: Avoid dummy clockevent being preferred over real hardware clock-event
2013-03-15 17:19:31 +00:00
stacktrace.c
arm: convert core files from module.h to export.h
2011-10-31 19:30:49 -04:00
suspend.c
ARM: 7661/1: mm: perform explicit branch predictor maintenance when required
2013-03-03 22:54:16 +00:00
swp_emulate.c
ARM: missing ->mmap_sem around find_vma() in swp_emulate.c
2012-12-20 10:40:24 +00:00
sys_arm.c
arm: switch to generic fork/vfork/clone
2012-11-28 22:13:54 -05:00
sys_oabi-compat.c
userns: Convert stat to return values mapped from kuids and kgids
2012-05-15 14:08:35 -07:00
tcm.c
Disintegrate asm/system.h for ARM
2012-03-28 18:30:01 +01:00
tcm.h
…
thumbee.c
ARM: 7385/1: ThumbEE: Use cpuid macros to read ID_PFR0 for ThumbEE
2012-04-25 19:49:26 +01:00
time.c
ARM: delete struct sys_timer
2012-12-24 09:36:38 -07:00
topology.c
ARM: kernel: update topology to use new MPIDR macros
2012-11-19 15:44:33 +00:00
traps.c
taint: add explicit flag to show whether lock dep is still OK.
2013-01-21 17:17:57 +10:30
unwind.c
ARM: unwinder: fix bisection to find origin in .idx section
2011-12-15 14:02:19 -08:00
vmlinux.lds.S
ARM: Section based HYP idmap
2013-01-23 13:29:09 -05:00
xscale-cp0.c
arm: remove several unnecessary module.h include instances
2011-10-31 19:30:48 -04:00