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android_kernel_xiaomi_sm8450/drivers/cpufreq
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viresh kumar ad7722dab7 cpufreq: create per policy rwsem instead of per CPU cpu_policy_rwsem 
We have per-CPU cpu_policy_rwsem for cpufreq core, but we never use
all of them. We always use rwsem of policy->cpu and so we can
actually make this rwsem per policy instead.

This patch does this change. With this change other tricky situations
are also avoided now, like which lock to take while we are changing
policy->cpu, etc.

Suggested-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-10-25 23:54:12 +02:00
..
acpi-cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
amd_freq_sensitivity.c
cpufreq: AMD "frequency sensitivity feedback" powersave bias for ondemand governor
2013-04-10 13:19:26 +02:00
arm_big_little_dt.c
PM / OPP: rename header to linux/pm_opp.h
2013-10-25 22:33:23 +02:00
arm_big_little.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
arm_big_little.h
cpufreq: ARM big LITTLE: Move cpu_to_cluster() to arm_big_little.h
2013-05-12 14:04:15 +02:00
at32ap-cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
blackfin-cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
cpufreq_conservative.c
cpufreq: governors: Remove duplicate check of target freq in supported range
2013-08-28 22:03:02 +02:00
cpufreq_governor.c
cpufreq: Don't use smp_processor_id() in preemptible context
2013-08-29 22:19:23 +02:00
cpufreq_governor.h
cpufreq: use cpufreq_driver->flags to mark CPUFREQ_HAVE_GOVERNOR_PER_POLICY
2013-10-16 00:50:23 +02:00
cpufreq_ondemand.c
cpufreq: governors: Remove duplicate check of target freq in supported range
2013-08-28 22:03:02 +02:00
cpufreq_performance.c
cpufreq: Clean up header files included in the core
2013-08-07 23:34:09 +02:00
cpufreq_powersave.c
cpufreq: Clean up header files included in the core
2013-08-07 23:34:09 +02:00
cpufreq_stats.c
cpufreq: Fix wrong time unit conversion
2013-09-10 02:49:46 +02:00
cpufreq_userspace.c
cpufreq / governor: Remove fossil comment
2013-10-17 23:00:20 +02:00
cpufreq-cpu0.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
cpufreq-nforce2.c
cpufreq: nforce2: don't initialize part of policy set by core
2013-10-16 00:50:29 +02:00
cpufreq.c
cpufreq: create per policy rwsem instead of per CPU cpu_policy_rwsem
2013-10-25 23:54:12 +02:00
cris-artpec3-cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
cris-etraxfs-cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
davinci-cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
dbx500-cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
e_powersaver.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
elanfreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
exynos4x12-cpufreq.c
cpufreq: exynos4x12: Use the common clock framework to set APLL clock rate
2013-10-17 13:52:48 +02:00
exynos4210-cpufreq.c
cpufreq: exynos4210: Use the common clock framework to set APLL clock rate
2013-10-17 13:52:49 +02:00
exynos5250-cpufreq.c
arm-soc: cleanups
2013-02-21 14:58:40 -08:00
exynos5440-cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
exynos-cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
exynos-cpufreq.h
cpufreq: fix EXYNOS drivers selection
2013-08-12 12:00:21 +05:30
freq_table.c
cpufreq: define generic .attr, .exit() and .verify() routines
2013-10-16 00:50:23 +02:00
gx-suspmod.c
cpufreq: gx: don't initialize part of policy set by core
2013-10-16 00:50:30 +02:00
highbank-cpufreq.c
cpufreq: highbank-cpufreq: Enable Midway/ECX-2000
2013-10-17 00:53:08 +02:00
ia64-acpi-cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
imx6q-cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
integrator-cpufreq.c
cpufreq: integrator: don't initialize part of policy set by core
2013-10-16 00:50:30 +02:00
intel_pstate.c
intel_pstate: Add Baytrail support
2013-10-25 23:46:10 +02:00
Kconfig
cpufreq: remove CONFIG_CPU_FREQ_TABLE
2013-10-16 00:50:33 +02:00
Kconfig.arm
cpufreq: remove CONFIG_CPU_FREQ_TABLE
2013-10-16 00:50:33 +02:00
Kconfig.powerpc
cpufreq: remove CONFIG_CPU_FREQ_TABLE
2013-10-16 00:50:33 +02:00
Kconfig.x86
cpufreq: remove CONFIG_CPU_FREQ_TABLE
2013-10-16 00:50:33 +02:00
kirkwood-cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
longhaul.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
longhaul.h
cpufreq: delete __cpuinit usage from all cpufreq files
2013-07-14 19:36:57 -04:00
longrun.c
cpufreq: add new routine cpufreq_verify_within_cpu_limits()
2013-10-16 00:50:23 +02:00
loongson2_cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
Makefile
cpufreq: remove CONFIG_CPU_FREQ_TABLE
2013-10-16 00:50:33 +02:00
maple-cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
omap-cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
p4-clockmod.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
pasemi-cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
pcc-cpufreq.c
cpufreq: pcc: don't initialize part of policy set by core
2013-10-16 00:50:31 +02:00
pmac32-cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
pmac64-cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
powernow-k6.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
powernow-k7.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
powernow-k7.h
[CPUFREQ] Move x86 drivers to drivers/cpufreq/
2011-05-19 18:51:07 -04:00
powernow-k8.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
powernow-k8.h
cpufreq: Remove support for hardware P-state chips from powernow-k8
2012-09-09 22:05:30 +02:00
ppc_cbe_cpufreq_pervasive.c
cpufreq: powerpc/platforms/cell: move cpufreq driver to drivers/cpufreq
2013-04-10 13:19:26 +02:00
ppc_cbe_cpufreq_pmi.c
cpufreq: powerpc/platforms/cell: move cpufreq driver to drivers/cpufreq
2013-04-10 13:19:26 +02:00
ppc_cbe_cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
ppc_cbe_cpufreq.h
cpufreq: powerpc/platforms/cell: move cpufreq driver to drivers/cpufreq
2013-04-10 13:19:26 +02:00
ppc-corenet-cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
pxa2xx-cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
pxa3xx-cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
s3c24xx-cpufreq-debugfs.c
cpufreq: s3c24xx: move cpufreq driver to drivers/cpufreq
2013-05-20 23:04:28 +09:00
s3c24xx-cpufreq.c
cpufreq: s3c: use cpufreq_generic_init()
2013-10-16 00:50:35 +02:00
s3c64xx-cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
s3c2410-cpufreq.c
cpufreq: s3c24xx: move cpufreq driver to drivers/cpufreq
2013-05-20 23:04:28 +09:00
s3c2412-cpufreq.c
cpufreq: s3c24xx: move cpufreq driver to drivers/cpufreq
2013-05-20 23:04:28 +09:00
s3c2416-cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
s3c2440-cpufreq.c
cpufreq: s3c24xx: move cpufreq driver to drivers/cpufreq
2013-05-20 23:04:28 +09:00
s5pv210-cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
sa1100-cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
sa1110-cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
sc520_freq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
sh-cpufreq.c
cpufreq: sh: don't initialize part of policy set by core
2013-10-16 00:50:32 +02:00
sparc-us2e-cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
sparc-us3-cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
spear-cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
speedstep-centrino.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
speedstep-ich.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
speedstep-lib.c
cpufreq: Add support for x86 cpuinfo auto loading v4
2012-01-26 16:49:06 -08:00
speedstep-lib.h
[CPUFREQ] Move x86 drivers to drivers/cpufreq/
2011-05-19 18:51:07 -04:00
speedstep-smi.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
tegra-cpufreq.c
cpufreq: Implement light weight ->target_index() routine
2013-10-25 22:42:24 +02:00
unicore2-cpufreq.c
cpufreq: unicore2: don't initialize part of policy set by core
2013-10-16 00:50:32 +02:00