MIPS: Add basic CPUFreq options. (9726b43a) · Commits · 戴 / test

This patch adds basic options for MIPS CPUFreq support. Since the cp0 timer's frequency is based on the processor clockrate it can not be used with CPUFReq; an additional external timer is required. Signed-off-by:

Wu Zhangjin <wuzhangjin@gmail.com> Cc: linux-mips@linux-mips.org Cc: cpufreq@vger.kernel.org, Cc: Dave Jones <davej@redhat.com>, Cc: Dominik Brodowski <linux@dominikbrodowski.net>, Cc: yanh@lemote.com Cc: huhb@lemote.com, Patchwork: http://patchwork.linux-mips.org/patch/659/ Signed-off-by:

Ralf Baechle <ralf@linux-mips.org>

arch/mips/Kconfig

+3 −0

Original line number	Diff line number	Diff line
		@@ -2161,6 +2161,7 @@ config MMU

		config I8253
		bool
		select MIPS_EXTERNAL_TIMER

		config ZONE_DMA32
		bool
		@@ -2237,6 +2238,8 @@ source "kernel/power/Kconfig"

		endmenu

		source "arch/mips/kernel/cpufreq/Kconfig"

		source "net/Kconfig"

		source "drivers/Kconfig"

arch/mips/kernel/cpufreq/Kconfig

0 → 100644

+27 −0

Original line number	Diff line number	Diff line
		#
		# CPU Frequency scaling
		#

		config MIPS_EXTERNAL_TIMER
		bool

		config MIPS_CPUFREQ
		bool
		default y
		depends on CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER

		if MIPS_CPUFREQ

		menu "CPU Frequency scaling"

		source "drivers/cpufreq/Kconfig"

		if CPU_FREQ

		comment "CPUFreq processor drivers"

		endif # CPU_FREQ

		endmenu

		endif # MIPS_CPUFREQ

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