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sh: cpufreq: clock framework support.

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This gets the SH cpufreq working again. We follow the changes
in the AVR32 implementation for wrapping in to the clock framework.
CPUs that wish to use this are required to define rate rounding
primitives in order to satisfy clk_round_rate().

This works well enough for the common case, though we should
look at unifying this driver across all of the platforms that
implement clock framework support in one capacity or another.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
2007-07-20 13:38:19 +09:00
parent fe04d7798f
commit cb5ec75b8b
2 changed files with 81 additions and 135 deletions
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2
arch/sh/Kconfig
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@@ -475,7 +475,7 @@ source "drivers/cpufreq/Kconfig"
config SH_CPU_FREQ
tristate "SuperH CPU Frequency driver"
depends on CPU_FREQ && CPU_SH4 && BROKEN
depends on CPU_FREQ
select CPU_FREQ_TABLE
help
This adds the cpufreq driver for SuperH. At present, only