Merge back earlier 'pm-cpufreq' material.

Conflicts: drivers/cpufreq/omap-cpufreq.c
mariux64 · Oct 25, 2013 · 6ddee42 · 6ddee42
2 parents e4db1c7 + a814613
commit 6ddee42
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Showing 74 changed files with 464 additions and 1,513 deletions.
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
@@ -40,7 +40,6 @@ config ARCH_DAVINCI_DA850
 	bool "DA850/OMAP-L138/AM18x based system"
 	select ARCH_DAVINCI_DA8XX
 	select ARCH_HAS_CPUFREQ
-	select CPU_FREQ_TABLE
 	select CP_INTC
 
 config ARCH_DAVINCI_DA8XX

diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
@@ -615,14 +615,12 @@ endmenu
 config PXA25x
 	bool
 	select CPU_XSCALE
-	select CPU_FREQ_TABLE if CPU_FREQ
 	help
 	  Select code specific to PXA21x/25x/26x variants
 
 config PXA27x
 	bool
 	select CPU_XSCALE
-	select CPU_FREQ_TABLE if CPU_FREQ
 	help
 	  Select code specific to PXA27x variants
 
@@ -635,7 +633,6 @@ config CPU_PXA26x
 config PXA3xx
 	bool
 	select CPU_XSC3
-	select CPU_FREQ_TABLE if CPU_FREQ
 	help
 	  Select code specific to PXA3xx variants
 

diff --git a/arch/arm/mach-sa1100/generic.c b/arch/arm/mach-sa1100/generic.c
@@ -42,34 +42,33 @@ EXPORT_SYMBOL(reset_status);
 /*
  * This table is setup for a 3.6864MHz Crystal.
  */
-static const unsigned short cclk_frequency_100khz[NR_FREQS] = {
-	 590,	/*  59.0 MHz */
-	 737,	/*  73.7 MHz */
-	 885,	/*  88.5 MHz */
-	1032,	/* 103.2 MHz */
-	1180,	/* 118.0 MHz */
-	1327,	/* 132.7 MHz */
-	1475,	/* 147.5 MHz */
-	1622,	/* 162.2 MHz */
-	1769,	/* 176.9 MHz */
-	1917,	/* 191.7 MHz */
-	2064,	/* 206.4 MHz */
-	2212,	/* 221.2 MHz */
-	2359,	/* 235.9 MHz */
-	2507,	/* 250.7 MHz */
-	2654,	/* 265.4 MHz */
-	2802	/* 280.2 MHz */
+struct cpufreq_frequency_table sa11x0_freq_table[NR_FREQS+1] = {
+	{ .frequency = 59000,	/*  59.0 MHz */},
+	{ .frequency = 73700,	/*  73.7 MHz */},
+	{ .frequency = 88500,	/*  88.5 MHz */},
+	{ .frequency = 103200,	/* 103.2 MHz */},
+	{ .frequency = 118000,	/* 118.0 MHz */},
+	{ .frequency = 132700,	/* 132.7 MHz */},
+	{ .frequency = 147500,	/* 147.5 MHz */},
+	{ .frequency = 162200,	/* 162.2 MHz */},
+	{ .frequency = 176900,	/* 176.9 MHz */},
+	{ .frequency = 191700,	/* 191.7 MHz */},
+	{ .frequency = 206400,	/* 206.4 MHz */},
+	{ .frequency = 221200,	/* 221.2 MHz */},
+	{ .frequency = 235900,	/* 235.9 MHz */},
+	{ .frequency = 250700,	/* 250.7 MHz */},
+	{ .frequency = 265400,	/* 265.4 MHz */},
+	{ .frequency = 280200,	/* 280.2 MHz */},
+	{ .frequency = CPUFREQ_TABLE_END, },
 };
 
 /* rounds up(!)  */
 unsigned int sa11x0_freq_to_ppcr(unsigned int khz)
 {
 	int i;
 
-	khz /= 100;
-
 	for (i = 0; i < NR_FREQS; i++)
-		if (cclk_frequency_100khz[i] >= khz)
+		if (sa11x0_freq_table[i].frequency >= khz)
 			break;
 
 	return i;
@@ -79,37 +78,15 @@ unsigned int sa11x0_ppcr_to_freq(unsigned int idx)
 {
 	unsigned int freq = 0;
 	if (idx < NR_FREQS)
-		freq = cclk_frequency_100khz[idx] * 100;
+		freq = sa11x0_freq_table[idx].frequency;
 	return freq;
 }
 
-
-/* make sure that only the "userspace" governor is run -- anything else wouldn't make sense on
- * this platform, anyway.
- */
-int sa11x0_verify_speed(struct cpufreq_policy *policy)
-{
-	unsigned int tmp;
-	if (policy->cpu)
-		return -EINVAL;
-
-	cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, policy->cpuinfo.max_freq);
-
-	/* make sure that at least one frequency is within the policy */
-	tmp = cclk_frequency_100khz[sa11x0_freq_to_ppcr(policy->min)] * 100;
-	if (tmp > policy->max)
-		policy->max = tmp;
-
-	cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, policy->cpuinfo.max_freq);
-
-	return 0;
-}
-
 unsigned int sa11x0_getspeed(unsigned int cpu)
 {
 	if (cpu)
 		return 0;
-	return cclk_frequency_100khz[PPCR & 0xf] * 100;
+	return sa11x0_freq_table[PPCR & 0xf].frequency;
 }
 
 /*

diff --git a/arch/arm/mach-sa1100/generic.h b/arch/arm/mach-sa1100/generic.h
@@ -3,6 +3,7 @@
  *
  * Author: Nicolas Pitre
  */
+#include <linux/cpufreq.h>
 #include <linux/reboot.h>
 
 extern void sa1100_timer_init(void);
@@ -19,10 +20,8 @@ extern void sa11x0_init_late(void);
 extern void sa1110_mb_enable(void);
 extern void sa1110_mb_disable(void);
 
-struct cpufreq_policy;
-
+extern struct cpufreq_frequency_table sa11x0_freq_table[];
 extern unsigned int sa11x0_freq_to_ppcr(unsigned int khz);
-extern int sa11x0_verify_speed(struct cpufreq_policy *policy);
 extern unsigned int sa11x0_getspeed(unsigned int cpu);
 extern unsigned int sa11x0_ppcr_to_freq(unsigned int idx);
 

diff --git a/arch/arm/mach-ux500/Kconfig b/arch/arm/mach-ux500/Kconfig
@@ -34,7 +34,6 @@ config UX500_SOC_COMMON
 
 config UX500_SOC_DB8500
 	bool
-	select CPU_FREQ_TABLE if CPU_FREQ
 	select MFD_DB8500_PRCMU
 	select PINCTRL_DB8500
 	select PINCTRL_DB8540

diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
@@ -1429,7 +1429,6 @@ source "drivers/cpufreq/Kconfig"
 config BFIN_CPU_FREQ
 	bool
 	depends on CPU_FREQ
-	select CPU_FREQ_TABLE
 	default y
 
 config CPU_VOLTAGE

diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig
@@ -130,13 +130,11 @@ config SVINTO_SIM
 
 config ETRAXFS
 	bool "ETRAX-FS-V32"
-	select CPU_FREQ_TABLE if CPU_FREQ
 	help
 	  Support CRIS V32.
 
 config CRIS_MACH_ARTPEC3
         bool "ARTPEC-3"
-	select CPU_FREQ_TABLE if CPU_FREQ
         help
           Support Axis ARTPEC-3.
 

diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig
@@ -17,15 +17,11 @@ config CPU_FREQ
 
 if CPU_FREQ
 
-config CPU_FREQ_TABLE
-	tristate
-
 config CPU_FREQ_GOV_COMMON
 	bool
 
 config CPU_FREQ_STAT
 	tristate "CPU frequency translation statistics"
-	select CPU_FREQ_TABLE
 	default y
 	help
 	  This driver exports CPU frequency statistics information through sysfs
@@ -143,7 +139,6 @@ config CPU_FREQ_GOV_USERSPACE
 
 config CPU_FREQ_GOV_ONDEMAND
 	tristate "'ondemand' cpufreq policy governor"
-	select CPU_FREQ_TABLE
 	select CPU_FREQ_GOV_COMMON
 	help
 	  'ondemand' - This driver adds a dynamic cpufreq policy governor.
@@ -187,7 +182,6 @@ config CPU_FREQ_GOV_CONSERVATIVE
 config GENERIC_CPUFREQ_CPU0
 	tristate "Generic CPU0 cpufreq driver"
 	depends on HAVE_CLK && REGULATOR && PM_OPP && OF
-	select CPU_FREQ_TABLE
 	help
 	  This adds a generic cpufreq driver for CPU0 frequency management.
 	  It supports both uniprocessor (UP) and symmetric multiprocessor (SMP)
@@ -223,7 +217,6 @@ depends on IA64
 
 config IA64_ACPI_CPUFREQ
 	tristate "ACPI Processor P-States driver"
-	select CPU_FREQ_TABLE
 	depends on ACPI_PROCESSOR
 	help
 	This driver adds a CPUFreq driver which utilizes the ACPI
@@ -240,7 +233,6 @@ depends on MIPS
 
 config LOONGSON2_CPUFREQ
 	tristate "Loongson2 CPUFreq Driver"
-	select CPU_FREQ_TABLE
 	help
 	  This option adds a CPUFreq driver for loongson processors which
 	  support software configurable cpu frequency.
@@ -262,7 +254,6 @@ menu "SPARC CPU frequency scaling drivers"
 depends on SPARC64
 config SPARC_US3_CPUFREQ
 	tristate "UltraSPARC-III CPU Frequency driver"
-	select CPU_FREQ_TABLE
 	help
 	  This adds the CPUFreq driver for UltraSPARC-III processors.
 
@@ -272,7 +263,6 @@ config SPARC_US3_CPUFREQ
 
 config SPARC_US2E_CPUFREQ
 	tristate "UltraSPARC-IIe CPU Frequency driver"
-	select CPU_FREQ_TABLE
 	help
 	  This adds the CPUFreq driver for UltraSPARC-IIe processors.
 
@@ -285,7 +275,6 @@ menu "SH CPU Frequency scaling"
 depends on SUPERH
 config SH_CPU_FREQ
 	tristate "SuperH CPU Frequency driver"
-	select CPU_FREQ_TABLE
 	help
 	  This adds the cpufreq driver for SuperH. Any CPU that supports
 	  clock rate rounding through the clock framework can use this

diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm
@@ -5,7 +5,6 @@
 config ARM_BIG_LITTLE_CPUFREQ
 	tristate "Generic ARM big LITTLE CPUfreq driver"
 	depends on ARM_CPU_TOPOLOGY && PM_OPP && HAVE_CLK
-	select CPU_FREQ_TABLE
 	help
 	  This enables the Generic CPUfreq driver for ARM big.LITTLE platforms.
 
@@ -18,7 +17,6 @@ config ARM_DT_BL_CPUFREQ
 
 config ARM_EXYNOS_CPUFREQ
 	bool
-	select CPU_FREQ_TABLE
 
 config ARM_EXYNOS4210_CPUFREQ
 	bool "SAMSUNG EXYNOS4210"
@@ -58,7 +56,6 @@ config ARM_EXYNOS5440_CPUFREQ
 	depends on SOC_EXYNOS5440
 	depends on HAVE_CLK && PM_OPP && OF
 	default y
-	select CPU_FREQ_TABLE
 	help
 	  This adds the CPUFreq driver for Samsung EXYNOS5440
 	  SoC. The nature of exynos5440 clock controller is
@@ -85,7 +82,6 @@ config ARM_IMX6Q_CPUFREQ
 	tristate "Freescale i.MX6Q cpufreq support"
 	depends on SOC_IMX6Q
 	depends on REGULATOR_ANATOP
-	select CPU_FREQ_TABLE
 	help
 	  This adds cpufreq driver support for Freescale i.MX6Q SOC.
 
@@ -101,7 +97,6 @@ config ARM_INTEGRATOR
 
 config ARM_KIRKWOOD_CPUFREQ
 	def_bool ARCH_KIRKWOOD && OF
-	select CPU_FREQ_TABLE
 	help
 	  This adds the CPUFreq driver for Marvell Kirkwood
 	  SoCs.
@@ -110,7 +105,6 @@ config ARM_OMAP2PLUS_CPUFREQ
 	bool "TI OMAP2+"
 	depends on ARCH_OMAP2PLUS
 	default ARCH_OMAP2PLUS
-	select CPU_FREQ_TABLE
 
 config ARM_S3C_CPUFREQ
 	bool
@@ -165,7 +159,6 @@ config ARM_S3C2412_CPUFREQ
 config ARM_S3C2416_CPUFREQ
 	bool "S3C2416 CPU Frequency scaling support"
 	depends on CPU_S3C2416
-	select CPU_FREQ_TABLE
 	help
 	  This adds the CPUFreq driver for the Samsung S3C2416 and
 	  S3C2450 SoC. The S3C2416 supports changing the rate of the
@@ -196,7 +189,6 @@ config ARM_S3C2440_CPUFREQ
 config ARM_S3C64XX_CPUFREQ
 	bool "Samsung S3C64XX"
 	depends on CPU_S3C6410
-	select CPU_FREQ_TABLE
 	default y
 	help
 	  This adds the CPUFreq driver for Samsung S3C6410 SoC.
@@ -206,7 +198,6 @@ config ARM_S3C64XX_CPUFREQ
 config ARM_S5PV210_CPUFREQ
 	bool "Samsung S5PV210 and S5PC110"
 	depends on CPU_S5PV210
-	select CPU_FREQ_TABLE
 	default y
 	help
 	  This adds the CPUFreq driver for Samsung S5PV210 and
@@ -223,15 +214,13 @@ config ARM_SA1110_CPUFREQ
 config ARM_SPEAR_CPUFREQ
 	bool "SPEAr CPUFreq support"
 	depends on PLAT_SPEAR
-	select CPU_FREQ_TABLE
 	default y
 	help
 	  This adds the CPUFreq driver support for SPEAr SOCs.
 
 config ARM_TEGRA_CPUFREQ
 	bool "TEGRA CPUFreq support"
 	depends on ARCH_TEGRA
-	select CPU_FREQ_TABLE
 	default y
 	help
 	  This adds the CPUFreq driver support for TEGRA SOCs.
diff --git a/drivers/cpufreq/Kconfig.powerpc b/drivers/cpufreq/Kconfig.powerpc
@@ -1,7 +1,6 @@
 config CPU_FREQ_CBE
 	tristate "CBE frequency scaling"
 	depends on CBE_RAS && PPC_CELL
-	select CPU_FREQ_TABLE
 	default m
 	help
 	  This adds the cpufreq driver for Cell BE processors.
@@ -20,15 +19,13 @@ config CPU_FREQ_CBE_PMI
 config CPU_FREQ_MAPLE
 	bool "Support for Maple 970FX Evaluation Board"
 	depends on PPC_MAPLE
-	select CPU_FREQ_TABLE
 	help
 	  This adds support for frequency switching on Maple 970FX
 	  Evaluation Board and compatible boards (IBM JS2x blades).
 
 config PPC_CORENET_CPUFREQ
 	tristate "CPU frequency scaling driver for Freescale E500MC SoCs"
 	depends on PPC_E500MC && OF && COMMON_CLK
-	select CPU_FREQ_TABLE
 	select CLK_PPC_CORENET
 	help
 	  This adds the CPUFreq driver support for Freescale e500mc,
@@ -38,7 +35,6 @@ config PPC_CORENET_CPUFREQ
 config CPU_FREQ_PMAC
 	bool "Support for Apple PowerBooks"
 	depends on ADB_PMU && PPC32
-	select CPU_FREQ_TABLE
 	help
 	  This adds support for frequency switching on Apple PowerBooks,
 	  this currently includes some models of iBook & Titanium
@@ -47,15 +43,13 @@ config CPU_FREQ_PMAC
 config CPU_FREQ_PMAC64
 	bool "Support for some Apple G5s"
 	depends on PPC_PMAC && PPC64
-	select CPU_FREQ_TABLE
 	help
 	  This adds support for frequency switching on Apple iMac G5,
 	  and some of the more recent desktop G5 machines as well.
 
 config PPC_PASEMI_CPUFREQ
 	bool "Support for PA Semi PWRficient"
 	depends on PPC_PASEMI
-	select CPU_FREQ_TABLE
 	default y
 	help
 	  This adds the support for frequency switching on PA Semi