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All platforms that use the common clk infrastructure should select COMMON_CLK from platform code, and on all other platforms, it must not be enabled, so there is no point making the option visible to users, and when it is visible, we break randconfig builds. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
48 lines
1.2 KiB
Plaintext
48 lines
1.2 KiB
Plaintext
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config CLKDEV_LOOKUP
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bool
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select HAVE_CLK
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config HAVE_CLK_PREPARE
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bool
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config HAVE_MACH_CLKDEV
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bool
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config COMMON_CLK
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bool
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select HAVE_CLK_PREPARE
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---help---
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The common clock framework is a single definition of struct
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clk, useful across many platforms, as well as an
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implementation of the clock API in include/linux/clk.h.
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Architectures utilizing the common struct clk should select
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this option.
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menu "Common Clock Framework"
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depends on COMMON_CLK
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config COMMON_CLK_DISABLE_UNUSED
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bool "Disabled unused clocks at boot"
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depends on COMMON_CLK
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---help---
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Traverses the entire clock tree and disables any clocks that are
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enabled in hardware but have not been enabled by any device drivers.
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This saves power and keeps the software model of the clock in line
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with reality.
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If in doubt, say "N".
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config COMMON_CLK_DEBUG
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bool "DebugFS representation of clock tree"
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depends on COMMON_CLK
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select DEBUG_FS
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---help---
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Creates a directory hierchy in debugfs for visualizing the clk
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tree structure. Each directory contains read-only members
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that export information specific to that clk node: clk_rate,
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clk_flags, clk_prepare_count, clk_enable_count &
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clk_notifier_count.
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endmenu
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