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authorLinus Torvalds <torvalds@linux-foundation.org>2013-04-30 15:21:02 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-30 15:21:02 -0700
commit3ed1c478eff8db80e234d5446cb378b503135888 (patch)
treee1c8e0f488ca49c49b5a31fe59add4254381dd4b /arch/avr32
parent151173e8ce9b95bbbbd7eedb9035cfaffbdb7cb2 (diff)
parent371deb9500831ad1afbf9ea00e373f650deaed2f (diff)
downloadlinux-3ed1c478eff8db80e234d5446cb378b503135888.tar.gz
Merge tag 'pm+acpi-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management and ACPI updates from Rafael J Wysocki:

 - ARM big.LITTLE cpufreq driver from Viresh Kumar.

 - exynos5440 cpufreq driver from Amit Daniel Kachhap.

 - cpufreq core cleanup and code consolidation from Viresh Kumar and
   Stratos Karafotis.

 - cpufreq scalability improvement from Nathan Zimmer.

 - AMD "frequency sensitivity feedback" powersave bias for the ondemand
   cpufreq governor from Jacob Shin.

 - cpuidle code consolidation and cleanups from Daniel Lezcano.

 - ARM OMAP cpuidle fixes from Santosh Shilimkar and Daniel Lezcano.

 - ACPICA fixes and other improvements from Bob Moore, Jung-uk Kim, Lv
   Zheng, Yinghai Lu, Tang Chen, Colin Ian King, and Linn Crosetto.

 - ACPI core updates related to hotplug from Toshi Kani, Paul Bolle,
   Yasuaki Ishimatsu, and Rafael J Wysocki.

 - Intel Lynxpoint LPSS (Low-Power Subsystem) support improvements from
   Rafael J Wysocki and Andy Shevchenko.

* tag 'pm+acpi-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (192 commits)
  cpufreq: Revert incorrect commit 5800043
  cpufreq: MAINTAINERS: Add co-maintainer
  cpuidle: add maintainer entry
  ACPI / thermal: do not always return THERMAL_TREND_RAISING for active trip points
  ARM: s3c64xx: cpuidle: use init/exit common routine
  cpufreq: pxa2xx: initialize variables
  ACPI: video: correct acpi_video_bus_add error processing
  SH: cpuidle: use init/exit common routine
  ARM: S5pv210: compiling issue, ARM_S5PV210_CPUFREQ needs CONFIG_CPU_FREQ_TABLE=y
  ACPI: Fix wrong parameter passed to memblock_reserve
  cpuidle: fix comment format
  pnp: use %*phC to dump small buffers
  isapnp: remove debug leftovers
  ARM: imx: cpuidle: use init/exit common routine
  ARM: davinci: cpuidle: use init/exit common routine
  ARM: kirkwood: cpuidle: use init/exit common routine
  ARM: calxeda: cpuidle: use init/exit common routine
  ARM: tegra: cpuidle: use init/exit common routine for tegra3
  ARM: tegra: cpuidle: use init/exit common routine for tegra2
  ARM: OMAP4: cpuidle: use init/exit common routine
  ...
Diffstat (limited to 'arch/avr32')
-rw-r--r--arch/avr32/Kconfig13
-rw-r--r--arch/avr32/configs/atngw100_defconfig2
-rw-r--r--arch/avr32/configs/atngw100_evklcd100_defconfig2
-rw-r--r--arch/avr32/configs/atngw100_evklcd101_defconfig2
-rw-r--r--arch/avr32/configs/atngw100_mrmt_defconfig2
-rw-r--r--arch/avr32/configs/atngw100mkii_defconfig2
-rw-r--r--arch/avr32/configs/atngw100mkii_evklcd100_defconfig2
-rw-r--r--arch/avr32/configs/atngw100mkii_evklcd101_defconfig2
-rw-r--r--arch/avr32/configs/atstk1002_defconfig2
-rw-r--r--arch/avr32/configs/atstk1003_defconfig2
-rw-r--r--arch/avr32/configs/atstk1004_defconfig2
-rw-r--r--arch/avr32/configs/atstk1006_defconfig2
-rw-r--r--arch/avr32/configs/favr-32_defconfig2
-rw-r--r--arch/avr32/configs/hammerhead_defconfig2
-rw-r--r--arch/avr32/configs/mimc200_defconfig2
-rw-r--r--arch/avr32/mach-at32ap/Makefile1
-rw-r--r--arch/avr32/mach-at32ap/cpufreq.c124
17 files changed, 14 insertions, 152 deletions
diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig
index c1a868d398bd..22c40308360b 100644
--- a/arch/avr32/Kconfig
+++ b/arch/avr32/Kconfig
@@ -250,20 +250,7 @@ config ARCH_SUSPEND_POSSIBLE
 	def_bool y
 
 menu "CPU Frequency scaling"
-
 source "drivers/cpufreq/Kconfig"
-
-config CPU_FREQ_AT32AP
-	bool "CPU frequency driver for AT32AP"
-	depends on CPU_FREQ && PLATFORM_AT32AP
-	default n
-	help
-	  This enables the CPU frequency driver for AT32AP processors.
-
-	  For details, take a look in <file:Documentation/cpu-freq>.
-
-	  If in doubt, say N.
-
 endmenu
 
 endmenu
diff --git a/arch/avr32/configs/atngw100_defconfig b/arch/avr32/configs/atngw100_defconfig
index f4025db184ff..d5aff36ade92 100644
--- a/arch/avr32/configs/atngw100_defconfig
+++ b/arch/avr32/configs/atngw100_defconfig
@@ -26,7 +26,7 @@ CONFIG_CPU_FREQ=y
 # CONFIG_CPU_FREQ_STAT is not set
 CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
 CONFIG_CPU_FREQ_GOV_USERSPACE=y
-CONFIG_CPU_FREQ_AT32AP=y
+CONFIG_AVR32_AT32AP_CPUFREQ=y
 CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y
 CONFIG_NET=y
 CONFIG_PACKET=y
diff --git a/arch/avr32/configs/atngw100_evklcd100_defconfig b/arch/avr32/configs/atngw100_evklcd100_defconfig
index c76a49b9e9d0..4abcf435d599 100644
--- a/arch/avr32/configs/atngw100_evklcd100_defconfig
+++ b/arch/avr32/configs/atngw100_evklcd100_defconfig
@@ -28,7 +28,7 @@ CONFIG_CPU_FREQ=y
 # CONFIG_CPU_FREQ_STAT is not set
 CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
 CONFIG_CPU_FREQ_GOV_USERSPACE=y
-CONFIG_CPU_FREQ_AT32AP=y
+CONFIG_AVR32_AT32AP_CPUFREQ=y
 CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y
 CONFIG_NET=y
 CONFIG_PACKET=y
diff --git a/arch/avr32/configs/atngw100_evklcd101_defconfig b/arch/avr32/configs/atngw100_evklcd101_defconfig
index 2d8ab089a64e..18f3fa0470ff 100644
--- a/arch/avr32/configs/atngw100_evklcd101_defconfig
+++ b/arch/avr32/configs/atngw100_evklcd101_defconfig
@@ -27,7 +27,7 @@ CONFIG_CPU_FREQ=y
 # CONFIG_CPU_FREQ_STAT is not set
 CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
 CONFIG_CPU_FREQ_GOV_USERSPACE=y
-CONFIG_CPU_FREQ_AT32AP=y
+CONFIG_AVR32_AT32AP_CPUFREQ=y
 CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y
 CONFIG_NET=y
 CONFIG_PACKET=y
diff --git a/arch/avr32/configs/atngw100_mrmt_defconfig b/arch/avr32/configs/atngw100_mrmt_defconfig
index b189e0cab04b..06e389cfcd12 100644
--- a/arch/avr32/configs/atngw100_mrmt_defconfig
+++ b/arch/avr32/configs/atngw100_mrmt_defconfig
@@ -23,7 +23,7 @@ CONFIG_CPU_FREQ=y
 CONFIG_CPU_FREQ_GOV_POWERSAVE=y
 CONFIG_CPU_FREQ_GOV_USERSPACE=y
 CONFIG_CPU_FREQ_GOV_ONDEMAND=y
-CONFIG_CPU_FREQ_AT32AP=y
+CONFIG_AVR32_AT32AP_CPUFREQ=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
diff --git a/arch/avr32/configs/atngw100mkii_defconfig b/arch/avr32/configs/atngw100mkii_defconfig
index 2e4de42a53c4..2518a1368d7c 100644
--- a/arch/avr32/configs/atngw100mkii_defconfig
+++ b/arch/avr32/configs/atngw100mkii_defconfig
@@ -26,7 +26,7 @@ CONFIG_CPU_FREQ=y
 # CONFIG_CPU_FREQ_STAT is not set
 CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
 CONFIG_CPU_FREQ_GOV_USERSPACE=y
-CONFIG_CPU_FREQ_AT32AP=y
+CONFIG_AVR32_AT32AP_CPUFREQ=y
 CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y
 CONFIG_NET=y
 CONFIG_PACKET=y
diff --git a/arch/avr32/configs/atngw100mkii_evklcd100_defconfig b/arch/avr32/configs/atngw100mkii_evklcd100_defconfig
index fad3cd22dfd3..245ef6bd0fa6 100644
--- a/arch/avr32/configs/atngw100mkii_evklcd100_defconfig
+++ b/arch/avr32/configs/atngw100mkii_evklcd100_defconfig
@@ -29,7 +29,7 @@ CONFIG_CPU_FREQ=y
 # CONFIG_CPU_FREQ_STAT is not set
 CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
 CONFIG_CPU_FREQ_GOV_USERSPACE=y
-CONFIG_CPU_FREQ_AT32AP=y
+CONFIG_AVR32_AT32AP_CPUFREQ=y
 CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y
 CONFIG_NET=y
 CONFIG_PACKET=y
diff --git a/arch/avr32/configs/atngw100mkii_evklcd101_defconfig b/arch/avr32/configs/atngw100mkii_evklcd101_defconfig
index 29986230aaa5..fa6cbac6e418 100644
--- a/arch/avr32/configs/atngw100mkii_evklcd101_defconfig
+++ b/arch/avr32/configs/atngw100mkii_evklcd101_defconfig
@@ -28,7 +28,7 @@ CONFIG_CPU_FREQ=y
 # CONFIG_CPU_FREQ_STAT is not set
 CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
 CONFIG_CPU_FREQ_GOV_USERSPACE=y
-CONFIG_CPU_FREQ_AT32AP=y
+CONFIG_AVR32_AT32AP_CPUFREQ=y
 CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y
 CONFIG_NET=y
 CONFIG_PACKET=y
diff --git a/arch/avr32/configs/atstk1002_defconfig b/arch/avr32/configs/atstk1002_defconfig
index a582465e1cef..bbd5131021a5 100644
--- a/arch/avr32/configs/atstk1002_defconfig
+++ b/arch/avr32/configs/atstk1002_defconfig
@@ -25,7 +25,7 @@ CONFIG_CPU_FREQ=y
 # CONFIG_CPU_FREQ_STAT is not set
 CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
 CONFIG_CPU_FREQ_GOV_USERSPACE=y
-CONFIG_CPU_FREQ_AT32AP=y
+CONFIG_AVR32_AT32AP_CPUFREQ=y
 CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y
 CONFIG_NET=y
 CONFIG_PACKET=y
diff --git a/arch/avr32/configs/atstk1003_defconfig b/arch/avr32/configs/atstk1003_defconfig
index 57a79df2ce5d..c1cd726f9012 100644
--- a/arch/avr32/configs/atstk1003_defconfig
+++ b/arch/avr32/configs/atstk1003_defconfig
@@ -26,7 +26,7 @@ CONFIG_CPU_FREQ=y
 # CONFIG_CPU_FREQ_STAT is not set
 CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
 CONFIG_CPU_FREQ_GOV_USERSPACE=y
-CONFIG_CPU_FREQ_AT32AP=y
+CONFIG_AVR32_AT32AP_CPUFREQ=y
 CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y
 CONFIG_NET=y
 CONFIG_PACKET=y
diff --git a/arch/avr32/configs/atstk1004_defconfig b/arch/avr32/configs/atstk1004_defconfig
index 1a49bd8c6340..754ae56b2767 100644
--- a/arch/avr32/configs/atstk1004_defconfig
+++ b/arch/avr32/configs/atstk1004_defconfig
@@ -26,7 +26,7 @@ CONFIG_CPU_FREQ=y
 # CONFIG_CPU_FREQ_STAT is not set
 CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
 CONFIG_CPU_FREQ_GOV_USERSPACE=y
-CONFIG_CPU_FREQ_AT32AP=y
+CONFIG_AVR32_AT32AP_CPUFREQ=y
 CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y
 CONFIG_NET=y
 CONFIG_PACKET=y
diff --git a/arch/avr32/configs/atstk1006_defconfig b/arch/avr32/configs/atstk1006_defconfig
index 206a1b67f763..58589d8cc0ac 100644
--- a/arch/avr32/configs/atstk1006_defconfig
+++ b/arch/avr32/configs/atstk1006_defconfig
@@ -26,7 +26,7 @@ CONFIG_CPU_FREQ=y
 # CONFIG_CPU_FREQ_STAT is not set
 CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
 CONFIG_CPU_FREQ_GOV_USERSPACE=y
-CONFIG_CPU_FREQ_AT32AP=y
+CONFIG_AVR32_AT32AP_CPUFREQ=y
 CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y
 CONFIG_NET=y
 CONFIG_PACKET=y
diff --git a/arch/avr32/configs/favr-32_defconfig b/arch/avr32/configs/favr-32_defconfig
index 0421498d666b..57788a42ff83 100644
--- a/arch/avr32/configs/favr-32_defconfig
+++ b/arch/avr32/configs/favr-32_defconfig
@@ -27,7 +27,7 @@ CONFIG_CPU_FREQ=y
 # CONFIG_CPU_FREQ_STAT is not set
 CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
 CONFIG_CPU_FREQ_GOV_USERSPACE=y
-CONFIG_CPU_FREQ_AT32AP=y
+CONFIG_AVR32_AT32AP_CPUFREQ=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
diff --git a/arch/avr32/configs/hammerhead_defconfig b/arch/avr32/configs/hammerhead_defconfig
index 82f24eb251bd..ba7c31e269cb 100644
--- a/arch/avr32/configs/hammerhead_defconfig
+++ b/arch/avr32/configs/hammerhead_defconfig
@@ -31,7 +31,7 @@ CONFIG_CPU_FREQ=y
 # CONFIG_CPU_FREQ_STAT is not set
 CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
 CONFIG_CPU_FREQ_GOV_USERSPACE=y
-CONFIG_CPU_FREQ_AT32AP=y
+CONFIG_AVR32_AT32AP_CPUFREQ=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
diff --git a/arch/avr32/configs/mimc200_defconfig b/arch/avr32/configs/mimc200_defconfig
index 1bee51f22154..0a8bfdc420e0 100644
--- a/arch/avr32/configs/mimc200_defconfig
+++ b/arch/avr32/configs/mimc200_defconfig
@@ -24,7 +24,7 @@ CONFIG_CPU_FREQ=y
 # CONFIG_CPU_FREQ_STAT is not set
 CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
 CONFIG_CPU_FREQ_GOV_USERSPACE=y
-CONFIG_CPU_FREQ_AT32AP=y
+CONFIG_AVR32_AT32AP_CPUFREQ=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
diff --git a/arch/avr32/mach-at32ap/Makefile b/arch/avr32/mach-at32ap/Makefile
index 514c9a9b009a..fc09ec4bc725 100644
--- a/arch/avr32/mach-at32ap/Makefile
+++ b/arch/avr32/mach-at32ap/Makefile
@@ -1,7 +1,6 @@
 obj-y				+= pdc.o clock.o intc.o extint.o pio.o hsmc.o
 obj-y				+= hmatrix.o
 obj-$(CONFIG_CPU_AT32AP700X)	+= at32ap700x.o pm-at32ap700x.o
-obj-$(CONFIG_CPU_FREQ_AT32AP)	+= cpufreq.o
 obj-$(CONFIG_PM)		+= pm.o
 
 ifeq ($(CONFIG_PM_DEBUG),y)
diff --git a/arch/avr32/mach-at32ap/cpufreq.c b/arch/avr32/mach-at32ap/cpufreq.c
deleted file mode 100644
index 18b765629a0c..000000000000
--- a/arch/avr32/mach-at32ap/cpufreq.c
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * Copyright (C) 2004-2007 Atmel Corporation
- *
- * Based on MIPS implementation arch/mips/kernel/time.c
- *   Copyright 2001 MontaVista Software Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-/*#define DEBUG*/
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/cpufreq.h>
-#include <linux/io.h>
-#include <linux/clk.h>
-#include <linux/err.h>
-#include <linux/export.h>
-
-static struct clk *cpuclk;
-
-static int at32_verify_speed(struct cpufreq_policy *policy)
-{
-	if (policy->cpu != 0)
-		return -EINVAL;
-
-	cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq,
-			policy->cpuinfo.max_freq);
-	return 0;
-}
-
-static unsigned int at32_get_speed(unsigned int cpu)
-{
-	/* No SMP support */
-	if (cpu)
-		return 0;
-	return (unsigned int)((clk_get_rate(cpuclk) + 500) / 1000);
-}
-
-static unsigned int	ref_freq;
-static unsigned long	loops_per_jiffy_ref;
-
-static int at32_set_target(struct cpufreq_policy *policy,
-			  unsigned int target_freq,
-			  unsigned int relation)
-{
-	struct cpufreq_freqs freqs;
-	long freq;
-
-	/* Convert target_freq from kHz to Hz */
-	freq = clk_round_rate(cpuclk, target_freq * 1000);
-
-	/* Check if policy->min <= new_freq <= policy->max */
-	if(freq < (policy->min * 1000) || freq > (policy->max * 1000))
-		return -EINVAL;
-
-	pr_debug("cpufreq: requested frequency %u Hz\n", target_freq * 1000);
-
-	freqs.old = at32_get_speed(0);
-	freqs.new = (freq + 500) / 1000;
-	freqs.cpu = 0;
-	freqs.flags = 0;
-
-	if (!ref_freq) {
-		ref_freq = freqs.old;
-		loops_per_jiffy_ref = boot_cpu_data.loops_per_jiffy;
-	}
-
-	cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
-	if (freqs.old < freqs.new)
-		boot_cpu_data.loops_per_jiffy = cpufreq_scale(
-				loops_per_jiffy_ref, ref_freq, freqs.new);
-	clk_set_rate(cpuclk, freq);
-	if (freqs.new < freqs.old)
-		boot_cpu_data.loops_per_jiffy = cpufreq_scale(
-				loops_per_jiffy_ref, ref_freq, freqs.new);
-	cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
-
-	pr_debug("cpufreq: set frequency %lu Hz\n", freq);
-
-	return 0;
-}
-
-static int __init at32_cpufreq_driver_init(struct cpufreq_policy *policy)
-{
-	if (policy->cpu != 0)
-		return -EINVAL;
-
-	cpuclk = clk_get(NULL, "cpu");
-	if (IS_ERR(cpuclk)) {
-		pr_debug("cpufreq: could not get CPU clk\n");
-		return PTR_ERR(cpuclk);
-	}
-
-	policy->cpuinfo.min_freq = (clk_round_rate(cpuclk, 1) + 500) / 1000;
-	policy->cpuinfo.max_freq = (clk_round_rate(cpuclk, ~0UL) + 500) / 1000;
-	policy->cpuinfo.transition_latency = 0;
-	policy->cur = at32_get_speed(0);
-	policy->min = policy->cpuinfo.min_freq;
-	policy->max = policy->cpuinfo.max_freq;
-
-	printk("cpufreq: AT32AP CPU frequency driver\n");
-
-	return 0;
-}
-
-static struct cpufreq_driver at32_driver = {
-	.name		= "at32ap",
-	.owner		= THIS_MODULE,
-	.init		= at32_cpufreq_driver_init,
-	.verify		= at32_verify_speed,
-	.target		= at32_set_target,
-	.get		= at32_get_speed,
-	.flags		= CPUFREQ_STICKY,
-};
-
-static int __init at32_cpufreq_init(void)
-{
-	return cpufreq_register_driver(&at32_driver);
-}
-late_initcall(at32_cpufreq_init);