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46c12216c8
On OMAP SMP configuartion, both processors share the voltage
and clock. So both CPUs needs to be scaled together and hence
needs software co-ordination.
Also, update lpj with reference value to avoid progressive error.
Adjust _both_ the per-cpu loops_per_jiffy and global lpj. Calibrate
them with with reference to the initial values to avoid a
progressively bigger and bigger error in the value over time.
While at this, re-use the notifiers for UP/SMP since on UP machine or
UP_ON_SMP policy->cpus mask would contain only the boot CPU.
Based on initial SMP support by Santosh Shilimkar.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
[khilman@ti.com: due to overlap/rework, combined original Santosh patch
and Russell's rework]
Signed-off-by: Kevin Hilman <khilman@ti.com>
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| .. | ||
| acpi-cpufreq.c | ||
| cpufreq_conservative.c | ||
| cpufreq_ondemand.c | ||
| cpufreq_performance.c | ||
| cpufreq_powersave.c | ||
| cpufreq_stats.c | ||
| cpufreq_userspace.c | ||
| cpufreq-nforce2.c | ||
| cpufreq.c | ||
| db8500-cpufreq.c | ||
| e_powersaver.c | ||
| elanfreq.c | ||
| exynos4210-cpufreq.c | ||
| freq_table.c | ||
| gx-suspmod.c | ||
| Kconfig | ||
| Kconfig.arm | ||
| Kconfig.powerpc | ||
| Kconfig.x86 | ||
| longhaul.c | ||
| longhaul.h | ||
| longrun.c | ||
| Makefile | ||
| maple-cpufreq.c | ||
| mperf.c | ||
| mperf.h | ||
| omap-cpufreq.c | ||
| p4-clockmod.c | ||
| pcc-cpufreq.c | ||
| powernow-k6.c | ||
| powernow-k7.c | ||
| powernow-k7.h | ||
| powernow-k8.c | ||
| powernow-k8.h | ||
| s3c64xx-cpufreq.c | ||
| s5pv210-cpufreq.c | ||
| sc520_freq.c | ||
| speedstep-centrino.c | ||
| speedstep-ich.c | ||
| speedstep-lib.c | ||
| speedstep-lib.h | ||
| speedstep-smi.c | ||