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Linus Walleij 4fd7f9b128 ARM: 7212/1: smp_twd: reconfigure clockevents after cpufreq change 
This break-out from Colin Cross' cpufreq-aware TWD patch
will handle the case when our localtimer's clock changes with
the cpu clock. A cpufreq transtion notifier will be registered
only if the platform has supplied a specified clock to the TWD.

After a cpufreq transition, update the clockevent's frequency
by fetching the new clock rate from the clock framework and
reprogram the next clock event.

The necessary changes in the clockevents framework was done by
Thomas Gleixner in kernel v3.0.

ChangeLog v1->v2:
- Replace IS_ERR_OR_NULL() with IS_ERR() in twd_clk check.
- Update code to use the already existing per-cpu array of TWD
  clockevents instead of adding cruft.

[Broke out, ifdef:ed CPUfreq stuff for non-cpufreq configs]
[Rebased to newer TWD base with per-CPU clock array]

Signed-off-by: Colin Cross <ccross@android.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
 		2011-12-23 22:54:50 +00:00
..
boot Merge branch 'fixes' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm 2011-11-20 14:34:58 -08:00
common ARM: 7177/1: GIC: avoid skipping non-existent PPIs in irq_start calculation 2011-11-26 21:58:55 +00:00
configs Merge branch 'defconfigs-for-arnd' of git://git.linaro.org/people/triad/linux-stericsson into fixes 2011-11-29 14:50:17 +00:00
include/asm ARM: 7206/1: Add generic ARM instruction set condition code checks. 2011-12-13 08:52:02 +00:00
kernel ARM: 7212/1: smp_twd: reconfigure clockevents after cpufreq change 2011-12-23 22:54:50 +00:00
lib ARM: 7171/1: unwind: add unwind directives to bitops assembly macros 2011-11-26 21:58:53 +00:00
mach-at91 ARM: at91: Fix USBA gadget registration 2011-11-09 23:02:12 +08:00
mach-bcmring ARM: 7154/1: mach-bcmring: fix build error in dma.c 2011-11-09 21:53:35 +00:00
mach-clps711x Merge branch 'devel-stable' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm 2011-10-28 12:02:27 -07:00
mach-cns3xxx Merge branch 'depends/rmk/memory_h' into next/cleanup2 2011-11-01 13:47:27 +01:00
mach-davinci Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux 2011-11-07 10:13:52 -08:00
mach-dove Merge branch 'depends/rmk/memory_h' into next/cleanup2 2011-11-01 13:47:27 +01:00
mach-ebsa110 Merge branch 'dt/gic' into highbank/soc 2011-10-31 14:11:34 +01:00
mach-ep93xx Merge git://git.infradead.org/mtd-2.6 2011-11-07 09:11:16 -08:00
mach-exynos ARM: EXYNOS: Fix compiler error with THIS_MODULE 2011-11-09 14:07:32 +09:00
mach-footbridge Merge branch 'depends/rmk/memory_h' into next/cleanup2 2011-11-01 13:47:27 +01:00
mach-gemini Merge branch 'depends/rmk/memory_h' into next/fixes 2011-11-01 00:25:01 +01:00
mach-h720x Merge branch 'devel-stable' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm 2011-10-28 12:02:27 -07:00
mach-highbank ARM: highbank: convert logical CPU numbers to physical numbers 2011-11-16 10:56:53 +00:00
mach-imx Merge branch 'imx-for-arnd' of git://git.pengutronix.de/git/imx/linux-2.6 into fixes 2011-11-23 20:26:57 +00:00
mach-integrator Merge branch 'depends/rmk/memory_h' into next/cleanup2 2011-11-01 13:47:27 +01:00
mach-iop13xx arm: Add export.h to ARM specific files as required. 2011-10-31 19:30:50 -04:00
mach-iop32x Merge branch 'devel-stable' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm 2011-10-28 12:02:27 -07:00
mach-iop33x Merge branch 'devel-stable' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm 2011-10-28 12:02:27 -07:00
mach-ixp4xx Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
mach-ixp23xx Merge branch 'devel-stable' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm 2011-10-28 12:02:27 -07:00
mach-ixp2000 arm: Add export.h to ARM specific files as required. 2011-10-31 19:30:50 -04:00
mach-kirkwood ARM: 7193/1: Fix machine_is_xxx() naming for eSata SheevaPlug and QNAP TS-209 2011-12-06 11:14:01 +00:00
mach-ks8695 Merge branch 'depends/rmk/memory_h' into next/fixes 2011-11-01 00:25:01 +01:00
mach-l7200/include/mach
…
mach-lpc32xx Merge branch 'depends/rmk/memory_h' into next/fixes 2011-11-01 00:25:01 +01:00
mach-mmp ARM: pxa168/gplugd: add the correct SSP device 2011-11-17 08:21:58 +08:00
mach-msm Merge branch 'msm-fix' of git://codeaurora.org/quic/kernel/davidb/linux-msm into fixes 2011-11-09 17:02:13 -08:00
mach-mv78xx0 Merge branch 'depends/rmk/memory_h' into next/fixes 2011-11-01 00:25:01 +01:00
mach-mx5 Merge branch 'cleanups/assorted' into imx-fixes-for-arnd 2011-11-22 11:32:39 +01:00
mach-mxs arm: mx28: fix bit operation in clock setting 2011-11-23 19:59:12 +00:00
mach-netx arm: Add export.h to ARM specific files as required. 2011-10-31 19:30:50 -04:00
mach-nomadik Merge branch 'depends/rmk/memory_h' into next/fixes 2011-11-01 00:25:01 +01:00
mach-omap1 ARM: OMAP: Fix reprogramming of dpll1 rate 2011-11-11 10:15:11 -08:00
mach-omap2 Merge branch 'fixes-dss' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes 2011-11-24 15:58:01 +00:00
mach-orion5x ARM: 7193/1: Fix machine_is_xxx() naming for eSata SheevaPlug and QNAP TS-209 2011-12-06 11:14:01 +00:00
mach-picoxcell ARM: picoxcell: add extra temp register to addruart 2011-11-09 09:51:42 +00:00
mach-pnx4008 Merge branch 'depends/rmk/memory_h' into next/fixes 2011-11-01 00:25:01 +01:00
mach-prima2 Merge branch 'next/pm' of git://git.linaro.org/people/arnd/arm-soc 2011-11-01 20:22:01 -07:00
mach-pxa ARM: pxa: fix inconsistent CONFIG_USB_PXA27X 2011-11-10 15:32:27 +08:00
mach-realview Merge branch 'next/cross-platform' of git://git.linaro.org/people/arnd/arm-soc 2011-11-01 20:34:22 -07:00
mach-rpc Merge branch 'dt/gic' into highbank/soc 2011-10-31 14:11:34 +01:00
mach-s3c64xx ARM: SAMSUNG: inclusion export.h instead of module.h 2011-11-17 01:14:38 +09:00
mach-s3c2410 Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
mach-s3c2412 Merge branch 'next/cleanup3' of git://git.linaro.org/people/arnd/arm-soc 2011-11-05 18:18:05 -07:00
mach-s3c2416 Merge branch 'next/devel2' of git://git.linaro.org/people/arnd/arm-soc 2011-11-05 18:21:21 -07:00
mach-s3c2440 Merge branch 'next/cleanup3' of git://git.linaro.org/people/arnd/arm-soc 2011-11-05 18:18:05 -07:00
mach-s3c2443 Merge branch 'next/devel2' of git://git.linaro.org/people/arnd/arm-soc 2011-11-05 18:21:21 -07:00
mach-s5p64x0 Merge branch 'next/cleanup3' of git://git.linaro.org/people/arnd/arm-soc 2011-11-05 18:18:05 -07:00
mach-s5pc100 Merge branch 'next/cleanup3' of git://git.linaro.org/people/arnd/arm-soc 2011-11-05 18:18:05 -07:00
mach-s5pv210 Merge branch 'next/cleanup3' of git://git.linaro.org/people/arnd/arm-soc 2011-11-05 18:18:05 -07:00
mach-sa1100 arm: fix implicit use of page.h in several arch/arm files 2011-10-31 19:30:46 -04:00
mach-shark Merge branch 'devel-stable' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm 2011-10-28 12:02:27 -07:00
mach-shmobile Merge branch 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm 2011-11-20 14:33:02 -08:00
mach-spear3xx Merge branch 'devel-stable' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm 2011-10-28 12:02:27 -07:00
mach-spear6xx Merge branch 'devel-stable' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm 2011-10-28 12:02:27 -07:00
mach-tcc8k Merge branch 'devel-stable' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm 2011-10-28 12:02:27 -07:00
mach-tegra arm/tegra: enable headphone detection gpio on seaboard 2011-11-09 11:31:16 -08:00
mach-u300 Merge branch 'for-next' of git://git.infradead.org/users/sameo/mfd-2.6 2011-11-03 09:40:51 -07:00
mach-ux500 Merge branch 'for-next' of git://git.infradead.org/users/sameo/mfd-2.6 2011-11-03 09:40:51 -07:00
mach-versatile Merge branch 'depends/rmk/memory_h' into next/fixes 2011-11-01 00:25:01 +01:00
mach-vexpress Merge branch 'next/cross-platform' of git://git.linaro.org/people/arnd/arm-soc 2011-11-01 20:34:22 -07:00
mach-vt8500 Merge branch 'depends/rmk/memory_h' into next/fixes 2011-11-01 00:25:01 +01:00
mach-w90x900 ARM: 7158/1: add new MFP implement for NUC900 2011-11-12 11:33:08 +00:00
mach-zynq Merge branch 'devel-stable' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm 2011-10-28 12:02:27 -07:00
mm ARM: 7202/1: Add Cortex-A7 proc info 2011-12-11 08:36:21 +00:00
nwfpe ARM: 7207/1: Use generic ARM instruction set condition code checks for nwfpe. 2011-12-13 08:52:02 +00:00
oprofile
…
plat-iop arm: Add export.h to ARM specific files as required. 2011-10-31 19:30:50 -04:00
plat-mxc Merge branch 'imx-for-arnd' of git://git.pengutronix.de/git/imx/linux-2.6 into fixes 2011-11-23 20:26:57 +00:00
plat-nomadik Merge branch 'next/timer' of git://git.linaro.org/people/arnd/arm-soc 2011-11-01 20:18:05 -07:00
plat-omap Merge branch 'fixes-dss' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes 2011-11-24 15:58:01 +00:00
plat-orion
…
plat-pxa Merge git://git.infradead.org/mtd-2.6 2011-11-07 09:11:16 -08:00
plat-s3c24xx ARM: SAMSUNG: inclusion export.h instead of module.h 2011-11-17 01:14:38 +09:00
plat-s5p ARM: S5P: Fix export.h inclusion 2011-11-17 01:13:34 +09:00
plat-samsung ARM: SAMSUNG: include linux/types.h at gpio-cfg.h 2011-11-17 01:17:18 +09:00
plat-spear Merge branch 'depends/rmk/memory_h' into next/fixes 2011-11-01 00:25:01 +01:00
plat-tcc
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plat-versatile ARM: versatile: convert logical CPU numbers to physical numbers 2011-10-17 10:01:11 +01:00
tools ARM: 7193/1: Fix machine_is_xxx() naming for eSata SheevaPlug and QNAP TS-209 2011-12-06 11:14:01 +00:00
vfp arm: remove several unnecessary module.h include instances 2011-10-31 19:30:48 -04:00
Kconfig ARM: 7200/1: activate TCM on the Integrator 2011-12-13 08:52:02 +00:00
Kconfig-nommu
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Kconfig.debug Merge branch 'next/soc' of git://git.linaro.org/people/arnd/arm-soc 2011-11-01 21:08:03 -07:00
Makefile ARM: EXYNOS: Add ARCH_EXYNOS and reorganize arch/arm/mach-exynos 2011-11-06 13:54:56 +09:00