linux-toradex.git/arch/arm/plat-versatile, branch v3.4.78

Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm

2012-03-29T23:53:48+00:00

Pull more ARM updates from Russell King.

This got a fair number of conflicts with the  split, but
also with some other sparse-irq and header file include cleanups.  They
all looked pretty trivial, though.

* 'for-linus' of git://git.linaro.org/people/rmk/linux-arm: (59 commits)
  ARM: fix Kconfig warning for HAVE_BPF_JIT
  ARM: 7361/1: provide XIP_VIRT_ADDR for no-MMU builds
  ARM: 7349/1: integrator: convert to sparse irqs
  ARM: 7259/3: net: JIT compiler for packet filters
  ARM: 7334/1: add jump label support
  ARM: 7333/2: jump label: detect %c support for ARM
  ARM: 7338/1: add support for early console output via semihosting
  ARM: use set_current_blocked() and block_sigmask()
  ARM: exec: remove redundant set_fs(USER_DS)
  ARM: 7332/1: extract out code patch function from kprobes
  ARM: 7331/1: extract out insn generation code from ftrace
  ARM: 7330/1: ftrace: use canonical Thumb-2 wide instruction format
  ARM: 7351/1: ftrace: remove useless memory checks
  ARM: 7316/1: kexec: EOI active and mask all interrupts in kexec crash path
  ARM: Versatile Express: add NO_IOPORT
  ARM: get rid of asm/irq.h in asm/prom.h
  ARM: 7319/1: Print debug info for SIGBUS in user faults
  ARM: 7318/1: gic: refactor irq_start assignment
  ARM: 7317/1: irq: avoid NULL check in for_each_irq_desc loop
  ARM: 7315/1: perf: add support for the Cortex-A7 PMU
  ...

Merge branch 'devel-stable' into for-linus

2012-03-27T10:30:31+00:00

Conflicts:
	arch/arm/Kconfig.debug
	arch/arm/plat-versatile/Kconfig
Merge fixes:
	arch/arm/mach-integrator/Kconfig
	drivers/clocksource/Kconfig

ARM: 7310/1: integrator: implement sched_clock across all boards

2012-03-24T09:38:51+00:00

Now that we can select a sched_clock at runtime, let's implement
it for the Integrator AP, default-select the one found in all
other board it for all plat-versatile boards and make the right
clock kick in at runtime.

Signed-off-by: Linus Walleij 
Signed-off-by: Russell King

ARM: plat-versatile: convert to twd_local_timer_register() interface

2012-03-13T13:29:58+00:00

Add support for the new smp_twd runtime registration interface
to the RealView/VE platforms, and remove the old compile-time support.
Tested on EB11MP.

Signed-off-by: Marc Zyngier

ARM: versatile: Map local timers using Device Tree when possible

2012-02-23T15:09:42+00:00

Try to map TWD registers basing on a "arm,*-twd-timer" Device Tree
node. This overrides existing twd_base value.

Signed-off-by: Pawel Moll

ARM: Make the sched_clock framework mandatory

2012-02-03T11:34:27+00:00

All sched_clock() providers have been converted to the sched_clock
framework, which also provides a jiffy based implementation for
the platforms that do not provide a counter.

It is now possible to make the sched_clock framework mandatory,
effectively preventing new platforms to add new sched_clock()
functions, which would be detrimental to the single zImage work.

Acked-by: Nicolas Pitre 
Signed-off-by: Marc Zyngier

ARM: 7293/1: logical_cpu_map: decouple CPU mapping from SMP

2012-01-23T10:20:05+00:00

It turns out that the logical CPU mapping is useful even when !CONFIG_SMP
for manipulation of devices like interrupt and power controllers when
running a UP kernel on a CPU other than 0. This can happen when kexecing
a UP image from an SMP kernel.

In the future, multi-cluster systems running AMP configurations will
require something similar for mapping cluster IDs, so it makes sense to
decouple this logic in preparation for this support.

Acked-by: Yang Bai 
Acked-by: Marc Zyngier 
Reported-by: Joerg Roedel 
Signed-off-by: Will Deacon 
Signed-off-by: Russell King

Merge branch 'fixes-for-arm-soc' of git://sources.calxeda.com/kernel/linux into fixes

2012-01-17T06:46:06+00:00

* 'fixes-for-arm-soc' of git://sources.calxeda.com/kernel/linux:
  ARM: make BSYM macro assembly only
  ARM: highbank: remove incorrect BSYM usage
  ARM: imx: remove incorrect BSYM usage
  ARM: exynos: remove incorrect BSYM usage
  ARM: ux500: add missing ENDPROC to headsmp.S
  ARM: msm: Add missing ENDPROC to headsmp.S
  ARM: versatile: Add missing ENDPROC to headsmp.S

ARM: versatile: Add missing ENDPROC to headsmp.S

2012-01-16T14:35:25+00:00

Once the ENDPROC is in place, BSYM() in not longer necessary
to get correct pointer to versatile_secondary_startup().

Tested-by: Jon Medhurst 
Signed-off-by: Pawel Moll 
Acked-by: Dave Martin

ARM: 7205/2: sched_clock: allow sched_clock to be selected at runtime

2011-12-18T23:00:26+00:00

sched_clock() is yet another blocker on the road to the single
image. This patch implements an idea by Russell King:

http://www.spinics.net/lists/linux-omap/msg49561.html

Instead of asking the platform to implement both sched_clock()
itself and the rollover callback, simply register a read()
function, and let the ARM code care about sched_clock() itself,
the conversion to ns and the rollover. sched_clock() uses
this read() function as an indirection to the platform code.
If the platform doesn't provide a read(), the code falls back
to the jiffy counter (just like the default sched_clock).

This allow some simplifications and possibly some footprint gain
when multiple platforms are compiled in. Among the drawbacks,
the removal of the *_fixed_sched_clock optimization which could
negatively impact some platforms (sa1100, tegra, versatile
and omap).

Tested on 11MPCore, OMAP4 and Tegra.

Cc: Imre Kaloz 
Cc: Eric Miao 
Cc: Colin Cross 
Cc: Erik Gilling 
Cc: Olof Johansson 
Cc: Sascha Hauer 
Cc: Alessandro Rubini 
Cc: STEricsson 
Cc: Lennert Buytenhek 
Cc: Ben Dooks 
Tested-by: Jamie Iles 
Tested-by: Tony Lindgren 
Tested-by: Kyungmin Park 
Acked-by: Linus Walleij 
Acked-by: Nicolas Pitre 
Acked-by: Krzysztof Halasa 
Acked-by: Kukjin Kim 
Signed-off-by: Marc Zyngier 
Signed-off-by: Russell King