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PM / OPP: Hide OPP configuration when SoCs do not provide an implementation

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Since the OPP API is only useful with an appropraite SoC-specific
implementation there is no point in offering the ability to enable
the API on general systems. Provide an ARCH_HAS OPP Kconfig symbol
which masks out the option unless selected by an implementation.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Nishanth Menon <nm@ti.com>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This commit is contained in:
Mark Brown
2010-11-11 01:51:26 +01:00
committed by Rafael J. Wysocki
parent d08a5ace18
commit 43e60861fe
2 changed files with 7 additions and 0 deletions
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kernel/power/Kconfig
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@@ -246,9 +246,13 @@ config PM_OPS
depends on PM_SLEEP || PM_RUNTIME
default y
config ARCH_HAS_OPP
bool
config PM_OPP
bool "Operating Performance Point (OPP) Layer library"
depends on PM
depends on ARCH_HAS_OPP
---help---
SOCs have a standard set of tuples consisting of frequency and
voltage pairs that the device will support per voltage domain. This