Merge tag 'pm+acpi-4.5-rc1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull oower management and ACPI updates from Rafael Wysocki:
 "As far as the number of commits goes, ACPICA takes the lead this time,
  followed by cpufreq and the device properties framework changes.

  The most significant new feature is the debugfs-based interface to the
  ACPICA's AML debugger added in the previous cycle and a new user space
  tool for accessing it.

  On the cpufreq front, the core is updated to handle governors more
  efficiently, particularly on systems where a single cpufreq policy
  object is shared between multiple CPUs, and there are quite a few
  changes in drivers (intel_pstate, cpufreq-dt etc).

  The device properties framework is updated to handle built-in (ie
  included in the kernel itself) device properties better, among other
  things by adding a fallback mechanism that will allow drivers to
  provide default properties to be used in case the plaform firmware
  doesn't provide the properties expected by them.

  The Operating Performance Points (OPP) framework gets new DT bindings
  and debugfs support.

  A new cpufreq driver for ST platforms is added and the ACPI driver for
  AMD SoCs will now support the APM X-Gene ACPI I2C device.

  The rest is mostly fixes and cleanups all over.

  Specifics:

   - Add a debugfs-based interface for interacting with the ACPICA's AML
     debugger introduced in the previous cycle and a new user space tool
     for that, fix some bugs related to the AML debugger and clean up
     the code in question (Lv Zheng, Dan Carpenter, Colin Ian King,
     Markus Elfring).

   - Update ACPICA to upstream revision 20151218 including a number of
     fixes and cleanups in the ACPICA core (Bob Moore, Lv Zheng, Labbe
     Corentin, Prarit Bhargava, Colin Ian King, David E Box, Rafael
     Wysocki).

     In particular, the previously added erroneous support for the _SUB
     object is dropped, the concatenate operator will support all ACPI
     objects now, the Debug Object handling is improved, the SuperName
     handling of parameters being control methods is fixed, the
     ObjectType operator handling is updated to follow ACPI 5.0A and the
     handling of CondRefOf and RefOf is updated accordingly, module-
     level code will be executed after loading each ACPI table now
     (instead of being run once after all tables containing AML have
     been loaded), the Operation Region handlers management is updated
     to fix some reported problems and a the ACPICA code in the kernel
     is more in line with the upstream now.

   - Update the ACPI backlight driver to provide information on whether
     or not it will generate key-presses for brightness change hotkeys
     and update some platform drivers (dell-wmi, thinkpad_acpi) to use
     that information to avoid sending double key-events to users pace
     for these, add new ACPI backlight quirks (Hans de Goede, Aaron Lu,
     Adrien Schildknecht).

   - Improve the ACPI handling of interrupt GPIOs (Christophe Ricard).

   - Fix the handling of the list of device IDs of device objects found
     in the ACPI namespace and add a helper for checking if there is a
     device object for a given device ID (Lukas Wunner).

   - Change the logic in the ACPI namespace scanning code to create
     struct acpi_device objects for all ACPI device objects found in the
     namespace even if _STA fails for them which helps to avoid device
     enumeration problems on Microsoft Surface 3 (Aaron Lu).

   - Add support for the APM X-Gene ACPI I2C device to the ACPI driver
     for AMD SoCs (Loc Ho).

   - Fix the long-standing issue with the DMA controller on Intel SoCs
     where ACPI tables have no power management support for the DMA
     controller itself, but it can be powered off automatically when the
     last (other) device on the SoC is powered off via ACPI and clean up
     the ACPI driver for Intel SoCs (acpi-lpss) after previous attempts
     to fix that problem (Andy Shevchenko).

   - Assorted ACPI fixes and cleanups (Andy Lutomirski, Colin Ian King,
     Javier Martinez Canillas, Ken Xue, Mathias Krause, Rafael Wysocki,
     Sinan Kaya).

   - Update the device properties framework for better handling of
     built-in properties, add support for built-in properties to the
     platform bus type, update the MFD subsystem's handling of device
     properties and add support for passing default configuration data
     as device properties to the intel-lpss MFD drivers, convert the
     designware I2C driver to use the unified device properties API and
     add a fallback mechanism for using default built-in properties if
     the platform firmware fails to provide the properties as expected
     by drivers (Andy Shevchenko, Mika Westerberg, Heikki Krogerus,
     Andrew Morton).

   - Add new Device Tree bindings to the Operating Performance Points
     (OPP) framework and update the exynos4412 DT binding accordingly,
     introduce debugfs support for the OPP framework (Viresh Kumar,
     Bartlomiej Zolnierkiewicz).

   - Migrate the mt8173 cpufreq driver to the new OPP bindings (Pi-Cheng
     Chen).

   - Update the cpufreq core to make the handling of governors more
     efficient, especially on systems where policy objects are shared
     between multiple CPUs (Viresh Kumar, Rafael Wysocki).

   - Fix cpufreq governor handling on configurations with
     CONFIG_HZ_PERIODIC set (Chen Yu).

   - Clean up the cpufreq core code related to the boost sysfs knob
     support and update the ACPI cpufreq driver accordingly (Rafael
     Wysocki).

   - Add a new cpufreq driver for ST platforms and corresponding Device
     Tree bindings (Lee Jones).

   - Update the intel_pstate driver to allow the P-state selection
     algorithm used by it to depend on the CPU ID of the processor it is
     running on, make it use a special P-state selection algorithm (with
     an IO wait time compensation tweak) on Atom CPUs based on the
     Airmont and Silvermont cores so as to reduce their energy
     consumption and improve intel_pstate documentation (Philippe
     Longepe, Srinivas Pandruvada).

   - Update the cpufreq-dt driver to support registering cooling devices
     that use the (P * V^2 * f) dynamic power draw formula where V is
     the voltage, f is the frequency and P is a constant coefficient
     provided by Device Tree and update the arm_big_little cpufreq
     driver to use that support (Punit Agrawal).

   - Assorted cpufreq driver (cpufreq-dt, qoriq, pcc-cpufreq,
     blackfin-cpufreq) updates (Andrzej Hajda, Hongtao Jia, Jacob
     Tanenbaum, Markus Elfring).

   - cpuidle core tweaks related to polling and measured_us calculation
     (Rik van Riel).

   - Removal of modularity from a few cpuidle drivers (clps711x, ux500,
     exynos) that cannot be built as modules in practice (Paul
     Gortmaker).

   - PM core update to prevent devices from being probed during system
     suspend/resume which is generally problematic and may lead to
     inconsistent behavior (Grygorii Strashko).

   - Assorted updates of the PM core and related code (Julia Lawall,
     Manuel Pégourié-Gonnard, Maruthi Bayyavarapu, Rafael Wysocki, Ulf
     Hansson).

   - PNP bus type updates (Christophe Le Roy, Heiner Kallweit).

   - PCI PM code cleanups (Jarkko Nikula, Julia Lawall).

   - cpupower tool updates (Jacob Tanenbaum, Thomas Renninger)"

* tag 'pm+acpi-4.5-rc1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (177 commits)
  PM / clk: don't leave clocks enabled when driver not bound
  i2c: dw: Add APM X-Gene ACPI I2C device support
  ACPI / APD: Add APM X-Gene ACPI I2C device support
  ACPI / LPSS: change 'does not have' to 'has' in comment
  Revert "dmaengine: dw: platform: provide platform data for Intel"
  dmaengine: dw: return immediately from IRQ when DMA isn't in use
  dmaengine: dw: platform: power on device on shutdown
  ACPI / LPSS: override power state for LPSS DMA device
  PM / OPP: Use snprintf() instead of sprintf()
  Documentation: cpufreq: intel_pstate: enhance documentation
  ACPI, PCI, irq: remove redundant check for null string pointer
  ACPI / video: driver must be registered before checking for keypresses
  cpufreq-dt: fix handling regulator_get_voltage() result
  cpufreq: governor: Fix negative idle_time when configured with CONFIG_HZ_PERIODIC
  PM / sleep: Add support for read-only sysfs attributes
  ACPI: Fix white space in a structure definition
  ACPI / SBS: fix inconsistent indenting inside if statement
  PNP: respect PNP_DRIVER_RES_DO_NOT_CHANGE when detaching
  ACPI / PNP: constify device IDs
  ACPI / PCI: Simplify acpi_penalize_isa_irq()
  ...

13 files changed, 637 insertions, 172 deletions

diff --git a/tools/power/acpi/Makefile b/tools/power/acpi/Makefile
index e882c83..a8bf908 100644
--- a/tools/power/acpi/Makefile
+++ b/tools/power/acpi/Makefile
@@ -10,18 +10,18 @@
 
 include ../../scripts/Makefile.include
 
-all: acpidump ec
-clean: acpidump_clean ec_clean
-install: acpidump_install ec_install
-uninstall: acpidump_uninstall ec_uninstall
+all: acpidbg acpidump ec
+clean: acpidbg_clean acpidump_clean ec_clean
+install: acpidbg_install acpidump_install ec_install
+uninstall: acpidbg_uninstall acpidump_uninstall ec_uninstall
 
-acpidump ec: FORCE
+acpidbg acpidump ec: FORCE
 	$(call descend,tools/$@,all)
-acpidump_clean ec_clean:
+acpidbg_clean acpidump_clean ec_clean:
 	$(call descend,tools/$(@:_clean=),clean)
-acpidump_install ec_install:
+acpidbg_install acpidump_install ec_install:
 	$(call descend,tools/$(@:_install=),install)
-acpidump_uninstall ec_uninstall:
+acpidbg_uninstall acpidump_uninstall ec_uninstall:
 	$(call descend,tools/$(@:_uninstall=),uninstall)
 
 .PHONY: FORCE
diff --git a/tools/power/acpi/common/getopt.c b/tools/power/acpi/common/getopt.c
index 326e826..efefe30 100644
--- a/tools/power/acpi/common/getopt.c
+++ b/tools/power/acpi/common/getopt.c
@@ -47,6 +47,7 @@
  * Option strings:
  *    "f"       - Option has no arguments
  *    "f:"      - Option requires an argument
+ *    "f+"      - Option has an optional argument
  *    "f^"      - Option has optional single-char sub-options
  *    "f|"      - Option has required single-char sub-options
  */
@@ -85,6 +86,7 @@ static int current_char_ptr = 1;
 
 int acpi_getopt_argument(int argc, char **argv)
 {
+
 	acpi_gbl_optind--;
 	current_char_ptr++;
 
diff --git a/tools/power/acpi/os_specific/service_layers/oslibcfs.c b/tools/power/acpi/os_specific/service_layers/oslibcfs.c
index b51e40a..6df7583 100644
--- a/tools/power/acpi/os_specific/service_layers/oslibcfs.c
+++ b/tools/power/acpi/os_specific/service_layers/oslibcfs.c
@@ -73,6 +73,7 @@ ACPI_FILE acpi_os_open_file(const char *path, u8 modes)
 	if (modes & ACPI_FILE_WRITING) {
 		modes_str[i++] = 'w';
 	}
+
 	if (modes & ACPI_FILE_BINARY) {
 		modes_str[i++] = 'b';
 	}
@@ -101,6 +102,7 @@ ACPI_FILE acpi_os_open_file(const char *path, u8 modes)
 
 void acpi_os_close_file(ACPI_FILE file)
 {
+
 	fclose(file);
 }
 
@@ -202,6 +204,7 @@ acpi_status acpi_os_set_file_offset(ACPI_FILE file, long offset, u8 from)
 	if (from == ACPI_FILE_BEGIN) {
 		ret = fseek(file, offset, SEEK_SET);
 	}
+
 	if (from == ACPI_FILE_END) {
 		ret = fseek(file, offset, SEEK_END);
 	}
diff --git a/tools/power/acpi/tools/acpidbg/Makefile b/tools/power/acpi/tools/acpidbg/Makefile
new file mode 100644
index 0000000..352df4b
--- /dev/null
+++ b/tools/power/acpi/tools/acpidbg/Makefile
@@ -0,0 +1,27 @@
+# tools/power/acpi/tools/acpidbg/Makefile - ACPI tool Makefile
+#
+# Copyright (c) 2015, Intel Corporation
+#   Author: Lv Zheng <lv.zheng@intel.com>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; version 2
+# of the License.
+
+include ../../Makefile.config
+
+TOOL = acpidbg
+vpath %.c \
+	../../../../../drivers/acpi/acpica\
+	../../common\
+	../../os_specific/service_layers\
+	.
+CFLAGS += -DACPI_APPLICATION -DACPI_SINGLE_THREAD -DACPI_DEBUGGER\
+	-I.\
+	-I../../../../../drivers/acpi/acpica\
+	-I../../../../../include
+LDFLAGS += -lpthread
+TOOL_OBJS = \
+	acpidbg.o
+
+include ../../Makefile.rules
diff --git a/tools/power/acpi/tools/acpidbg/acpidbg.c b/tools/power/acpi/tools/acpidbg/acpidbg.c
new file mode 100644
index 0000000..d070fcc
--- /dev/null
+++ b/tools/power/acpi/tools/acpidbg/acpidbg.c
@@ -0,0 +1,438 @@
+/*
+ * ACPI AML interfacing userspace utility
+ *
+ * Copyright (C) 2015, Intel Corporation
+ * Authors: Lv Zheng <lv.zheng@intel.com>
+ *
+ * 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.
+ */
+
+#include <acpi/acpi.h>
+
+/* Headers not included by include/acpi/platform/aclinux.h */
+#include <stdbool.h>
+#include <fcntl.h>
+#include <assert.h>
+#include <linux/circ_buf.h>
+
+#define ACPI_AML_FILE		"/sys/kernel/debug/acpi/acpidbg"
+#define ACPI_AML_SEC_TICK	1
+#define ACPI_AML_USEC_PEEK	200
+#define ACPI_AML_BUF_SIZE	4096
+
+#define ACPI_AML_BATCH_WRITE_CMD	0x00 /* Write command to kernel */
+#define ACPI_AML_BATCH_READ_LOG		0x01 /* Read log from kernel */
+#define ACPI_AML_BATCH_WRITE_LOG	0x02 /* Write log to console */
+
+#define ACPI_AML_LOG_START		0x00
+#define ACPI_AML_PROMPT_START		0x01
+#define ACPI_AML_PROMPT_STOP		0x02
+#define ACPI_AML_LOG_STOP		0x03
+#define ACPI_AML_PROMPT_ROLL		0x04
+
+#define ACPI_AML_INTERACTIVE	0x00
+#define ACPI_AML_BATCH		0x01
+
+#define circ_count(circ) \
+	(CIRC_CNT((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE))
+#define circ_count_to_end(circ) \
+	(CIRC_CNT_TO_END((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE))
+#define circ_space(circ) \
+	(CIRC_SPACE((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE))
+#define circ_space_to_end(circ) \
+	(CIRC_SPACE_TO_END((circ)->head, (circ)->tail, ACPI_AML_BUF_SIZE))
+
+#define acpi_aml_cmd_count()	circ_count(&acpi_aml_cmd_crc)
+#define acpi_aml_log_count()	circ_count(&acpi_aml_log_crc)
+#define acpi_aml_cmd_space()	circ_space(&acpi_aml_cmd_crc)
+#define acpi_aml_log_space()	circ_space(&acpi_aml_log_crc)
+
+#define ACPI_AML_DO(_fd, _op, _buf, _ret)				\
+	do {								\
+		_ret = acpi_aml_##_op(_fd, &acpi_aml_##_buf##_crc);	\
+		if (_ret == 0) {					\
+			fprintf(stderr,					\
+				"%s %s pipe closed.\n", #_buf, #_op);	\
+			return;						\
+		}							\
+	} while (0)
+#define ACPI_AML_BATCH_DO(_fd, _op, _buf, _ret)				\
+	do {								\
+		_ret = acpi_aml_##_op##_batch_##_buf(_fd,		\
+			 &acpi_aml_##_buf##_crc);			\
+		if (_ret == 0)						\
+			return;						\
+	} while (0)
+
+
+static char acpi_aml_cmd_buf[ACPI_AML_BUF_SIZE];
+static char acpi_aml_log_buf[ACPI_AML_BUF_SIZE];
+static struct circ_buf acpi_aml_cmd_crc = {
+	.buf = acpi_aml_cmd_buf,
+	.head = 0,
+	.tail = 0,
+};
+static struct circ_buf acpi_aml_log_crc = {
+	.buf = acpi_aml_log_buf,
+	.head = 0,
+	.tail = 0,
+};
+static const char *acpi_aml_file_path = ACPI_AML_FILE;
+static unsigned long acpi_aml_mode = ACPI_AML_INTERACTIVE;
+static bool acpi_aml_exit;
+
+static bool acpi_aml_batch_drain;
+static unsigned long acpi_aml_batch_state;
+static char acpi_aml_batch_prompt;
+static char acpi_aml_batch_roll;
+static unsigned long acpi_aml_log_state;
+static char *acpi_aml_batch_cmd = NULL;
+static char *acpi_aml_batch_pos = NULL;
+
+static int acpi_aml_set_fl(int fd, int flags)
+{
+	int ret;
+
+	ret = fcntl(fd, F_GETFL, 0);
+	if (ret < 0) {
+		perror("fcntl(F_GETFL)");
+		return ret;
+	}
+	flags |= ret;
+	ret = fcntl(fd, F_SETFL, flags);
+	if (ret < 0) {
+		perror("fcntl(F_SETFL)");
+		return ret;
+	}
+	return ret;
+}
+
+static int acpi_aml_set_fd(int fd, int maxfd, fd_set *set)
+{
+	if (fd > maxfd)
+		maxfd = fd;
+	FD_SET(fd, set);
+	return maxfd;
+}
+
+static int acpi_aml_read(int fd, struct circ_buf *crc)
+{
+	char *p;
+	int len;
+
+	p = &crc->buf[crc->head];
+	len = circ_space_to_end(crc);
+	len = read(fd, p, len);
+	if (len < 0)
+		perror("read");
+	else if (len > 0)
+		crc->head = (crc->head + len) & (ACPI_AML_BUF_SIZE - 1);
+	return len;
+}
+
+static int acpi_aml_read_batch_cmd(int unused, struct circ_buf *crc)
+{
+	char *p;
+	int len;
+	int remained = strlen(acpi_aml_batch_pos);
+
+	p = &crc->buf[crc->head];
+	len = circ_space_to_end(crc);
+	if (len > remained) {
+		memcpy(p, acpi_aml_batch_pos, remained);
+		acpi_aml_batch_pos += remained;
+		len = remained;
+	} else {
+		memcpy(p, acpi_aml_batch_pos, len);
+		acpi_aml_batch_pos += len;
+	}
+	if (len > 0)
+		crc->head = (crc->head + len) & (ACPI_AML_BUF_SIZE - 1);
+	return len;
+}
+
+static int acpi_aml_read_batch_log(int fd, struct circ_buf *crc)
+{
+	char *p;
+	int len;
+	int ret = 0;
+
+	p = &crc->buf[crc->head];
+	len = circ_space_to_end(crc);
+	while (ret < len && acpi_aml_log_state != ACPI_AML_LOG_STOP) {
+		if (acpi_aml_log_state == ACPI_AML_PROMPT_ROLL) {
+			*p = acpi_aml_batch_roll;
+			len = 1;
+			crc->head = (crc->head + 1) & (ACPI_AML_BUF_SIZE - 1);
+			ret += 1;
+			acpi_aml_log_state = ACPI_AML_LOG_START;
+		} else {
+			len = read(fd, p, 1);
+			if (len <= 0) {
+				if (len < 0)
+					perror("read");
+				ret = len;
+				break;
+			}
+		}
+		switch (acpi_aml_log_state) {
+		case ACPI_AML_LOG_START:
+			if (*p == '\n')
+				acpi_aml_log_state = ACPI_AML_PROMPT_START;
+			crc->head = (crc->head + 1) & (ACPI_AML_BUF_SIZE - 1);
+			ret += 1;
+			break;
+		case ACPI_AML_PROMPT_START:
+			if (*p == ACPI_DEBUGGER_COMMAND_PROMPT ||
+			    *p == ACPI_DEBUGGER_EXECUTE_PROMPT) {
+				acpi_aml_batch_prompt = *p;
+				acpi_aml_log_state = ACPI_AML_PROMPT_STOP;
+			} else {
+				if (*p != '\n')
+					acpi_aml_log_state = ACPI_AML_LOG_START;
+				crc->head = (crc->head + 1) & (ACPI_AML_BUF_SIZE - 1);
+				ret += 1;
+			}
+			break;
+		case ACPI_AML_PROMPT_STOP:
+			if (*p == ' ') {
+				acpi_aml_log_state = ACPI_AML_LOG_STOP;
+				acpi_aml_exit = true;
+			} else {
+				/* Roll back */
+				acpi_aml_log_state = ACPI_AML_PROMPT_ROLL;
+				acpi_aml_batch_roll = *p;
+				*p = acpi_aml_batch_prompt;
+				crc->head = (crc->head + 1) & (ACPI_AML_BUF_SIZE - 1);
+				ret += 1;
+			}
+			break;
+		default:
+			assert(0);
+			break;
+		}
+	}
+	return ret;
+}
+
+static int acpi_aml_write(int fd, struct circ_buf *crc)
+{
+	char *p;
+	int len;
+
+	p = &crc->buf[crc->tail];
+	len = circ_count_to_end(crc);
+	len = write(fd, p, len);
+	if (len < 0)
+		perror("write");
+	else if (len > 0)
+		crc->tail = (crc->tail + len) & (ACPI_AML_BUF_SIZE - 1);
+	return len;
+}
+
+static int acpi_aml_write_batch_log(int fd, struct circ_buf *crc)
+{
+	char *p;
+	int len;
+
+	p = &crc->buf[crc->tail];
+	len = circ_count_to_end(crc);
+	if (!acpi_aml_batch_drain) {
+		len = write(fd, p, len);
+		if (len < 0)
+			perror("write");
+	}
+	if (len > 0)
+		crc->tail = (crc->tail + len) & (ACPI_AML_BUF_SIZE - 1);
+	return len;
+}
+
+static int acpi_aml_write_batch_cmd(int fd, struct circ_buf *crc)
+{
+	int len;
+
+	len = acpi_aml_write(fd, crc);
+	if (circ_count_to_end(crc) == 0)
+		acpi_aml_batch_state = ACPI_AML_BATCH_READ_LOG;
+	return len;
+}
+
+static void acpi_aml_loop(int fd)
+{
+	fd_set rfds;
+	fd_set wfds;
+	struct timeval tv;
+	int ret;
+	int maxfd = 0;
+
+	if (acpi_aml_mode == ACPI_AML_BATCH) {
+		acpi_aml_log_state = ACPI_AML_LOG_START;
+		acpi_aml_batch_pos = acpi_aml_batch_cmd;
+		if (acpi_aml_batch_drain)
+			acpi_aml_batch_state = ACPI_AML_BATCH_READ_LOG;
+		else
+			acpi_aml_batch_state = ACPI_AML_BATCH_WRITE_CMD;
+	}
+	acpi_aml_exit = false;
+	while (!acpi_aml_exit) {
+		tv.tv_sec = ACPI_AML_SEC_TICK;
+		tv.tv_usec = 0;
+		FD_ZERO(&rfds);
+		FD_ZERO(&wfds);
+
+		if (acpi_aml_cmd_space()) {
+			if (acpi_aml_mode == ACPI_AML_INTERACTIVE)
+				maxfd = acpi_aml_set_fd(STDIN_FILENO, maxfd, &rfds);
+			else if (strlen(acpi_aml_batch_pos) &&
+				 acpi_aml_batch_state == ACPI_AML_BATCH_WRITE_CMD)
+				ACPI_AML_BATCH_DO(STDIN_FILENO, read, cmd, ret);
+		}
+		if (acpi_aml_cmd_count() &&
+		    (acpi_aml_mode == ACPI_AML_INTERACTIVE ||
+		     acpi_aml_batch_state == ACPI_AML_BATCH_WRITE_CMD))
+			maxfd = acpi_aml_set_fd(fd, maxfd, &wfds);
+		if (acpi_aml_log_space() &&
+		    (acpi_aml_mode == ACPI_AML_INTERACTIVE ||
+		     acpi_aml_batch_state == ACPI_AML_BATCH_READ_LOG))
+			maxfd = acpi_aml_set_fd(fd, maxfd, &rfds);
+		if (acpi_aml_log_count())
+			maxfd = acpi_aml_set_fd(STDOUT_FILENO, maxfd, &wfds);
+
+		ret = select(maxfd+1, &rfds, &wfds, NULL, &tv);
+		if (ret < 0) {
+			perror("select");
+			break;
+		}
+		if (ret > 0) {
+			if (FD_ISSET(STDIN_FILENO, &rfds))
+				ACPI_AML_DO(STDIN_FILENO, read, cmd, ret);
+			if (FD_ISSET(fd, &wfds)) {
+				if (acpi_aml_mode == ACPI_AML_BATCH)
+					ACPI_AML_BATCH_DO(fd, write, cmd, ret);
+				else
+					ACPI_AML_DO(fd, write, cmd, ret);
+			}
+			if (FD_ISSET(fd, &rfds)) {
+				if (acpi_aml_mode == ACPI_AML_BATCH)
+					ACPI_AML_BATCH_DO(fd, read, log, ret);
+				else
+					ACPI_AML_DO(fd, read, log, ret);
+			}
+			if (FD_ISSET(STDOUT_FILENO, &wfds)) {
+				if (acpi_aml_mode == ACPI_AML_BATCH)
+					ACPI_AML_BATCH_DO(STDOUT_FILENO, write, log, ret);
+				else
+					ACPI_AML_DO(STDOUT_FILENO, write, log, ret);
+			}
+		}
+	}
+}
+
+static bool acpi_aml_readable(int fd)
+{
+	fd_set rfds;
+	struct timeval tv;
+	int ret;
+	int maxfd = 0;
+
+	tv.tv_sec = 0;
+	tv.tv_usec = ACPI_AML_USEC_PEEK;
+	FD_ZERO(&rfds);
+	maxfd = acpi_aml_set_fd(fd, maxfd, &rfds);
+	ret = select(maxfd+1, &rfds, NULL, NULL, &tv);
+	if (ret < 0)
+		perror("select");
+	if (ret > 0 && FD_ISSET(fd, &rfds))
+		return true;
+	return false;
+}
+
+/*
+ * This is a userspace IO flush implementation, replying on the prompt
+ * characters and can be turned into a flush() call after kernel implements
+ * .flush() filesystem operation.
+ */
+static void acpi_aml_flush(int fd)
+{
+	while (acpi_aml_readable(fd)) {
+		acpi_aml_batch_drain = true;
+		acpi_aml_loop(fd);
+		acpi_aml_batch_drain = false;
+	}
+}
+
+void usage(FILE *file, char *progname)
+{
+	fprintf(file, "usage: %s [-b cmd] [-f file] [-h]\n", progname);
+	fprintf(file, "\nOptions:\n");
+	fprintf(file, "  -b     Specify command to be executed in batch mode\n");
+	fprintf(file, "  -f     Specify interface file other than");
+	fprintf(file, "         /sys/kernel/debug/acpi/acpidbg\n");
+	fprintf(file, "  -h     Print this help message\n");
+}
+
+int main(int argc, char **argv)
+{
+	int fd = 0;
+	int ch;
+	int len;
+	int ret = EXIT_SUCCESS;
+
+	while ((ch = getopt(argc, argv, "b:f:h")) != -1) {
+		switch (ch) {
+		case 'b':
+			if (acpi_aml_batch_cmd) {
+				fprintf(stderr, "Already specify %s\n",
+					acpi_aml_batch_cmd);
+				ret = EXIT_FAILURE;
+				goto exit;
+			}
+			len = strlen(optarg);
+			acpi_aml_batch_cmd = calloc(len + 2, 1);
+			if (!acpi_aml_batch_cmd) {
+				perror("calloc");
+				ret = EXIT_FAILURE;
+				goto exit;
+			}
+			memcpy(acpi_aml_batch_cmd, optarg, len);
+			acpi_aml_batch_cmd[len] = '\n';
+			acpi_aml_mode = ACPI_AML_BATCH;
+			break;
+		case 'f':
+			acpi_aml_file_path = optarg;
+			break;
+		case 'h':
+			usage(stdout, argv[0]);
+			goto exit;
+			break;
+		case '?':
+		default:
+			usage(stderr, argv[0]);
+			ret = EXIT_FAILURE;
+			goto exit;
+			break;
+		}
+	}
+
+	fd = open(acpi_aml_file_path, O_RDWR | O_NONBLOCK);
+	if (fd < 0) {
+		perror("open");
+		ret = EXIT_FAILURE;
+		goto exit;
+	}
+	acpi_aml_set_fl(STDIN_FILENO, O_NONBLOCK);
+	acpi_aml_set_fl(STDOUT_FILENO, O_NONBLOCK);
+
+	if (acpi_aml_mode == ACPI_AML_BATCH)
+		acpi_aml_flush(fd);
+	acpi_aml_loop(fd);
+
+exit:
+	if (fd < 0)
+		close(fd);
+	if (acpi_aml_batch_cmd)
+		free(acpi_aml_batch_cmd);
+	return ret;
+}
diff --git a/tools/power/acpi/tools/acpidump/apfiles.c b/tools/power/acpi/tools/acpidump/apfiles.c
index a1c62de..bbdf9e8 100644
--- a/tools/power/acpi/tools/acpidump/apfiles.c
+++ b/tools/power/acpi/tools/acpidump/apfiles.c
@@ -48,6 +48,18 @@
 
 static int ap_is_existing_file(char *pathname);
 
+/******************************************************************************
+ *
+ * FUNCTION:    ap_is_existing_file
+ *
+ * PARAMETERS:  pathname            - Output filename
+ *
+ * RETURN:      0 on success
+ *
+ * DESCRIPTION: Query for file overwrite if it already exists.
+ *
+ ******************************************************************************/
+
 static int ap_is_existing_file(char *pathname)
 {
 #ifndef _GNU_EFI
@@ -136,6 +148,7 @@ int ap_write_to_binary_file(struct acpi_table_header *table, u32 instance)
 	} else {
 		ACPI_MOVE_NAME(filename, table->signature);
 	}
+
 	filename[0] = (char)tolower((int)filename[0]);
 	filename[1] = (char)tolower((int)filename[1]);
 	filename[2] = (char)tolower((int)filename[2]);
diff --git a/tools/power/cpupower/Makefile b/tools/power/cpupower/Makefile
index 2e2ba2e..0adaf0c 100644
--- a/tools/power/cpupower/Makefile
+++ b/tools/power/cpupower/Makefile
@@ -47,6 +47,11 @@ NLS ?=		true
 # cpufreq-bench benchmarking tool
 CPUFREQ_BENCH ?= true
 
+# Do not build libraries, but build the code in statically
+# Libraries are still built, otherwise the Makefile code would
+# be rather ugly.
+export STATIC ?= false
+
 # Prefix to the directories we're installing to
 DESTDIR ?=
 
@@ -161,6 +166,12 @@ ifeq ($(strip $(CPUFREQ_BENCH)),true)
 	COMPILE_BENCH += compile-bench
 endif
 
+ifeq ($(strip $(STATIC)),true)
+        UTIL_OBJS += $(LIB_OBJS)
+        UTIL_HEADERS += $(LIB_HEADERS)
+        UTIL_SRC += $(LIB_SRC)
+endif
+
 CFLAGS += $(WARNINGS)
 
 ifeq ($(strip $(V)),false)
@@ -209,7 +220,11 @@ $(OUTPUT)%.o: %.c
 
 $(OUTPUT)cpupower: $(UTIL_OBJS) $(OUTPUT)libcpupower.so.$(LIB_MAJ)
 	$(ECHO) "  CC      " $@
+ifeq ($(strip $(STATIC)),true)
+	$(QUIET) $(CC) $(CFLAGS) $(LDFLAGS) $(UTIL_OBJS) -lrt -lpci -L$(OUTPUT) -o $@
+else
 	$(QUIET) $(CC) $(CFLAGS) $(LDFLAGS) $(UTIL_OBJS) -lcpupower -lrt -lpci -L$(OUTPUT) -o $@
+endif
 	$(QUIET) $(STRIPCMD) $@
 
 $(OUTPUT)po/$(PACKAGE).pot: $(UTIL_SRC)
@@ -291,7 +306,11 @@ install-bench:
 	@#DESTDIR must be set from outside to survive
 	@sbindir=$(sbindir) bindir=$(bindir) docdir=$(docdir) confdir=$(confdir) $(MAKE) -C bench O=$(OUTPUT) install
 
+ifeq ($(strip $(STATIC)),true)
+install: all install-tools install-man $(INSTALL_NLS) $(INSTALL_BENCH)
+else
 install: all install-lib install-tools install-man $(INSTALL_NLS) $(INSTALL_BENCH)
+endif
 
 uninstall:
 	- rm -f $(DESTDIR)${libdir}/libcpupower.*
diff --git a/tools/power/cpupower/bench/Makefile b/tools/power/cpupower/bench/Makefile
index 7ec7021..d0f879b 100644
--- a/tools/power/cpupower/bench/Makefile
+++ b/tools/power/cpupower/bench/Makefile
@@ -5,9 +5,15 @@ ifneq ($(O),)
 endif
 endif
 
+ifeq ($(strip $(STATIC)),true)
+LIBS = -L../ -L$(OUTPUT) -lm
+OBJS = $(OUTPUT)main.o $(OUTPUT)parse.o $(OUTPUT)system.o $(OUTPUT)benchmark.o \
+       $(OUTPUT)../lib/cpufreq.o $(OUTPUT)../lib/sysfs.o
+else
 LIBS = -L../ -L$(OUTPUT) -lm -lcpupower
-
 OBJS = $(OUTPUT)main.o $(OUTPUT)parse.o $(OUTPUT)system.o $(OUTPUT)benchmark.o
+endif
+
 CFLAGS += -D_GNU_SOURCE -I../lib -DDEFAULT_CONFIG_FILE=\"$(confdir)/cpufreq-bench.conf\"
 
 $(OUTPUT)%.o : %.c
diff --git a/tools/power/cpupower/utils/cpufreq-info.c b/tools/power/cpupower/utils/cpufreq-info.c
index 0e67643..8f3f5bb 100644
--- a/tools/power/cpupower/utils/cpufreq-info.c
+++ b/tools/power/cpupower/utils/cpufreq-info.c
@@ -14,6 +14,7 @@
 #include <getopt.h>
 
 #include "cpufreq.h"
+#include "helpers/sysfs.h"
 #include "helpers/helpers.h"
 #include "helpers/bitmask.h"
 
@@ -244,149 +245,21 @@ static int get_boost_mode(unsigned int cpu)
 	return 0;
 }
 
-static void debug_output_one(unsigned int cpu)
-{
-	char *driver;
-	struct cpufreq_affected_cpus *cpus;
-	struct cpufreq_available_frequencies *freqs;
-	unsigned long min, max, freq_kernel, freq_hardware;
-	unsigned long total_trans, latency;
-	unsigned long long total_time;
-	struct cpufreq_policy *policy;
-	struct cpufreq_available_governors *governors;
-	struct cpufreq_stats *stats;
-
-	if (cpufreq_cpu_exists(cpu))
-		return;
-
-	freq_kernel = cpufreq_get_freq_kernel(cpu);
-	freq_hardware = cpufreq_get_freq_hardware(cpu);
-
-	driver = cpufreq_get_driver(cpu);
-	if (!driver) {
-		printf(_("  no or unknown cpufreq driver is active on this CPU\n"));
-	} else {
-		printf(_("  driver: %s\n"), driver);
-		cpufreq_put_driver(driver);
-	}
-
-	cpus = cpufreq_get_related_cpus(cpu);
-	if (cpus) {
-		printf(_("  CPUs which run at the same hardware frequency: "));
-		while (cpus->next) {
-			printf("%d ", cpus->cpu);
-			cpus = cpus->next;
-		}
-		printf("%d\n", cpus->cpu);
-		cpufreq_put_related_cpus(cpus);
-	}
-
-	cpus = cpufreq_get_affected_cpus(cpu);
-	if (cpus) {
-		printf(_("  CPUs which need to have their frequency coordinated by software: "));
-		while (cpus->next) {
-			printf("%d ", cpus->cpu);
-			cpus = cpus->next;
-		}
-		printf("%d\n", cpus->cpu);
-		cpufreq_put_affected_cpus(cpus);
-	}
-
-	latency = cpufreq_get_transition_latency(cpu);
-	if (latency) {
-		printf(_("  maximum transition latency: "));
-		print_duration(latency);
-		printf(".\n");
-	}
-
-	if (!(cpufreq_get_hardware_limits(cpu, &min, &max))) {
-		printf(_("  hardware limits: "));
-		print_speed(min);
-		printf(" - ");
-		print_speed(max);
-		printf("\n");
-	}
-
-	freqs = cpufreq_get_available_frequencies(cpu);
-	if (freqs) {
-		printf(_("  available frequency steps: "));
-		while (freqs->next) {
-			print_speed(freqs->frequency);
-			printf(", ");
-			freqs = freqs->next;
-		}
-		print_speed(freqs->frequency);
-		printf("\n");
-		cpufreq_put_available_frequencies(freqs);
-	}
-
-	governors = cpufreq_get_available_governors(cpu);
-	if (governors) {
-		printf(_("  available cpufreq governors: "));
-		while (governors->next) {
-			printf("%s, ", governors->governor);
-			governors = governors->next;
-		}
-		printf("%s\n", governors->governor);
-		cpufreq_put_available_governors(governors);
-	}
-
-	policy = cpufreq_get_policy(cpu);
-	if (policy) {
-		printf(_("  current policy: frequency should be within "));
-		print_speed(policy->min);
-		printf(_(" and "));
-		print_speed(policy->max);
-
-		printf(".\n                  ");
-		printf(_("The governor \"%s\" may"
-		       " decide which speed to use\n                  within this range.\n"),
-		       policy->governor);
-		cpufreq_put_policy(policy);
-	}
-
-	if (freq_kernel || freq_hardware) {
-		printf(_("  current CPU frequency is "));
-		if (freq_hardware) {
-			print_speed(freq_hardware);
-			printf(_(" (asserted by call to hardware)"));
-		} else
-			print_speed(freq_kernel);
-		printf(".\n");
-	}
-	stats = cpufreq_get_stats(cpu, &total_time);
-	if (stats) {
-		printf(_("  cpufreq stats: "));
-		while (stats) {
-			print_speed(stats->frequency);
-			printf(":%.2f%%", (100.0 * stats->time_in_state) / total_time);
-			stats = stats->next;
-			if (stats)
-				printf(", ");
-		}
-		cpufreq_put_stats(stats);
-		total_trans = cpufreq_get_transitions(cpu);
-		if (total_trans)
-			printf("  (%lu)\n", total_trans);
-		else
-			printf("\n");
-	}
-	get_boost_mode(cpu);
-
-}
-
 /* --freq / -f */
 
 static int get_freq_kernel(unsigned int cpu, unsigned int human)
 {
 	unsigned long freq = cpufreq_get_freq_kernel(cpu);
-	if (!freq)
+	printf(_("  current CPU frequency: "));
+	if (!freq) {
+		printf(_(" Unable to call to kernel\n"));
 		return -EINVAL;
+	}
 	if (human) {
 		print_speed(freq);
-		printf("\n");
 	} else
-		printf("%lu\n", freq);
+		printf("%lu", freq);
+	printf(_(" (asserted by call to kernel)\n"));
 	return 0;
 }
 
@@ -396,13 +269,16 @@ static int get_freq_kernel(unsigned int cpu, unsigned int human)
 static int get_freq_hardware(unsigned int cpu, unsigned int human)
 {
 	unsigned long freq = cpufreq_get_freq_hardware(cpu);
-	if (!freq)
+	printf(_("  current CPU frequency: "));
+	if (!freq) {
+		printf("Unable to call hardware\n");
 		return -EINVAL;
+	}
 	if (human) {
 		print_speed(freq);
-		printf("\n");
 	} else
-		printf("%lu\n", freq);
+		printf("%lu", freq);
+	printf(_(" (asserted by call to hardware)\n"));
 	return 0;
 }
 
@@ -411,9 +287,17 @@ static int get_freq_hardware(unsigned int cpu, unsigned int human)
 static int get_hardware_limits(unsigned int cpu)
 {
 	unsigned long min, max;
-	if (cpufreq_get_hardware_limits(cpu, &min, &max))
+
+	printf(_("  hardware limits: "));
+	if (cpufreq_get_hardware_limits(cpu, &min, &max)) {
+		printf(_("Not Available\n"));
 		return -EINVAL;
-	printf("%lu %lu\n", min, max);
+	}
+
+	print_speed(min);
+	printf(" - ");
+	print_speed(max);
+	printf("\n");
 	return 0;
 }
 
@@ -422,9 +306,11 @@ static int get_hardware_limits(unsigned int cpu)
 static int get_driver(unsigned int cpu)
 {
 	char *driver = cpufreq_get_driver(cpu);
-	if (!driver)
+	if (!driver) {
+		printf(_("  no or unknown cpufreq driver is active on this CPU\n"));
 		return -EINVAL;
-	printf("%s\n", driver);
+	}
+	printf("  driver: %s\n", driver);
 	cpufreq_put_driver(driver);
 	return 0;
 }
@@ -434,9 +320,19 @@ static int get_driver(unsigned int cpu)
 static int get_policy(unsigned int cpu)
 {
 	struct cpufreq_policy *policy = cpufreq_get_policy(cpu);
-	if (!policy)
+	if (!policy) {
+		printf(_("  Unable to determine current policy\n"));
 		return -EINVAL;
-	printf("%lu %lu %s\n", policy->min, policy->max, policy->governor);
+	}
+	printf(_("  current policy: frequency should be within "));
+	print_speed(policy->min);
+	printf(_(" and "));
+	print_speed(policy->max);
+
+	printf(".\n                  ");
+	printf(_("The governor \"%s\" may decide which speed to use\n"
+	       "                  within this range.\n"),
+	       policy->governor);
 	cpufreq_put_policy(policy);
 	return 0;
 }
@@ -447,8 +343,12 @@ static int get_available_governors(unsigned int cpu)
 {
 	struct cpufreq_available_governors *governors =
 		cpufreq_get_available_governors(cpu);
-	if (!governors)
+
+	printf(_("  available cpufreq governors: "));
+	if (!governors) {
+		printf(_("Not Available\n"));
 		return -EINVAL;
+	}
 
 	while (governors->next) {
 		printf("%s ", governors->governor);
@@ -465,8 +365,12 @@ static int get_available_governors(unsigned int cpu)
 static int get_affected_cpus(unsigned int cpu)
 {
 	struct cpufreq_affected_cpus *cpus = cpufreq_get_affected_cpus(cpu);
-	if (!cpus)
+
+	printf(_("  CPUs which need to have their frequency coordinated by software: "));
+	if (!cpus) {
+		printf(_("Not Available\n"));
 		return -EINVAL;
+	}
 
 	while (cpus->next) {
 		printf("%d ", cpus->cpu);
@@ -482,8 +386,12 @@ static int get_affected_cpus(unsigned int cpu)
 static int get_related_cpus(unsigned int cpu)
 {
 	struct cpufreq_affected_cpus *cpus = cpufreq_get_related_cpus(cpu);
-	if (!cpus)
+
+	printf(_("  CPUs which run at the same hardware frequency: "));
+	if (!cpus) {
+		printf(_("Not Available\n"));
 		return -EINVAL;
+	}
 
 	while (cpus->next) {
 		printf("%d ", cpus->cpu);
@@ -524,8 +432,12 @@ static int get_freq_stats(unsigned int cpu, unsigned int human)
 static int get_latency(unsigned int cpu, unsigned int human)
 {
 	unsigned long latency = cpufreq_get_transition_latency(cpu);
-	if (!latency)
+
+	printf(_("  maximum transition latency: "));
+	if (!latency || latency == UINT_MAX) {
+		printf(_(" Cannot determine or is not supported.\n"));
 		return -EINVAL;
+	}
 
 	if (human) {
 		print_duration(latency);
@@ -535,6 +447,36 @@ static int get_latency(unsigned int cpu, unsigned int human)
 	return 0;
 }
 
+static void debug_output_one(unsigned int cpu)
+{
+	struct cpufreq_available_frequencies *freqs;
+
+	get_driver(cpu);
+	get_related_cpus(cpu);
+	get_affected_cpus(cpu);
+	get_latency(cpu, 1);
+	get_hardware_limits(cpu);
+
+	freqs = cpufreq_get_available_frequencies(cpu);
+	if (freqs) {
+		printf(_("  available frequency steps:  "));
+		while (freqs->next) {
+			print_speed(freqs->frequency);
+			printf(", ");
+			freqs = freqs->next;
+		}
+		print_speed(freqs->frequency);
+		printf("\n");
+		cpufreq_put_available_frequencies(freqs);
+	}
+
+	get_available_governors(cpu);
+	get_policy(cpu);
+	if (get_freq_hardware(cpu, 1) < 0)
+		get_freq_kernel(cpu, 1);
+	get_boost_mode(cpu);
+}
+
 static struct option info_opts[] = {
 	{"debug",	 no_argument,		 NULL,	 'e'},
 	{"boost",	 no_argument,		 NULL,	 'b'},
@@ -647,11 +589,14 @@ int cmd_freq_info(int argc, char **argv)
 
 		if (!bitmask_isbitset(cpus_chosen, cpu))
 			continue;
-		if (cpufreq_cpu_exists(cpu)) {
-			printf(_("couldn't analyze CPU %d as it doesn't seem to be present\n"), cpu);
+
+		printf(_("analyzing CPU %d:\n"), cpu);
+
+		if (sysfs_is_cpu_online(cpu) != 1) {
+			printf(_(" *is offline\n"));
+			printf("\n");
 			continue;
 		}
-		printf(_("analyzing CPU %d:\n"), cpu);
 
 		switch (output_param) {
 		case 'b':
@@ -693,6 +638,7 @@ int cmd_freq_info(int argc, char **argv)
 		}
 		if (ret)
 			return ret;
+		printf("\n");
 	}
 	return ret;
 }
diff --git a/tools/power/cpupower/utils/cpuidle-info.c b/tools/power/cpupower/utils/cpuidle-info.c
index 750c1d8..8bf8ab5 100644
--- a/tools/power/cpupower/utils/cpuidle-info.c
+++ b/tools/power/cpupower/utils/cpuidle-info.c
@@ -12,7 +12,6 @@
 #include <stdlib.h>
 #include <string.h>
 #include <getopt.h>
-#include <cpufreq.h>
 
 #include "helpers/helpers.h"
 #include "helpers/sysfs.h"
@@ -25,8 +24,6 @@ static void cpuidle_cpu_output(unsigned int cpu, int verbose)
 	unsigned int idlestates, idlestate;
 	char *tmp;
 
-	printf(_ ("Analyzing CPU %d:\n"), cpu);
-
 	idlestates = sysfs_get_idlestate_count(cpu);
 	if (idlestates == 0) {
 		printf(_("CPU %u: No idle states\n"), cpu);
@@ -71,7 +68,6 @@ static void cpuidle_cpu_output(unsigned int cpu, int verbose)
 		printf(_("Duration: %llu\n"),
 		       sysfs_get_idlestate_time(cpu, idlestate));
 	}
-	printf("\n");
 }
 
 static void cpuidle_general_output(void)
@@ -189,10 +185,17 @@ int cmd_idle_info(int argc, char **argv)
 	for (cpu = bitmask_first(cpus_chosen);
 	     cpu <= bitmask_last(cpus_chosen); cpu++) {
 
-		if (!bitmask_isbitset(cpus_chosen, cpu) ||
-		    cpufreq_cpu_exists(cpu))
+		if (!bitmask_isbitset(cpus_chosen, cpu))
 			continue;
 
+		printf(_("analyzing CPU %d:\n"), cpu);
+
+		if (sysfs_is_cpu_online(cpu) != 1) {
+			printf(_(" *is offline\n"));
+			printf("\n");
+			continue;
+		}
+
 		switch (output_param) {
 
 		case 'o':
@@ -203,6 +206,7 @@ int cmd_idle_info(int argc, char **argv)
 			cpuidle_cpu_output(cpu, verbose);
 			break;
 		}
+		printf("\n");
 	}
 	return EXIT_SUCCESS;
 }
diff --git a/tools/power/cpupower/utils/cpupower-info.c b/tools/power/cpupower/utils/cpupower-info.c
index 10299f2..c7caa8e 100644
--- a/tools/power/cpupower/utils/cpupower-info.c
+++ b/tools/power/cpupower/utils/cpupower-info.c
@@ -12,7 +12,6 @@
 #include <string.h>
 #include <getopt.h>
 
-#include <cpufreq.h>
 #include "helpers/helpers.h"
 #include "helpers/sysfs.h"
 
@@ -83,12 +82,16 @@ int cmd_info(int argc, char **argv)
 	for (cpu = bitmask_first(cpus_chosen);
 	     cpu <= bitmask_last(cpus_chosen); cpu++) {
 
-		if (!bitmask_isbitset(cpus_chosen, cpu) ||
-		    cpufreq_cpu_exists(cpu))
+		if (!bitmask_isbitset(cpus_chosen, cpu))
 			continue;
 
 		printf(_("analyzing CPU %d:\n"), cpu);
 
+		if (sysfs_is_cpu_online(cpu) != 1){
+			printf(_(" *is offline\n"));
+			continue;
+		}
+
 		if (params.perf_bias) {
 			ret = msr_intel_get_perf_bias(cpu);
 			if (ret < 0) {
diff --git a/tools/power/cpupower/utils/cpupower-set.c b/tools/power/cpupower/utils/cpupower-set.c
index 3e6f374..532f46b 100644
--- a/tools/power/cpupower/utils/cpupower-set.c
+++ b/tools/power/cpupower/utils/cpupower-set.c
@@ -12,7 +12,6 @@
 #include <string.h>
 #include <getopt.h>
 
-#include <cpufreq.h>
 #include "helpers/helpers.h"
 #include "helpers/sysfs.h"
 #include "helpers/bitmask.h"
@@ -78,10 +77,15 @@ int cmd_set(int argc, char **argv)
 	for (cpu = bitmask_first(cpus_chosen);
 	     cpu <= bitmask_last(cpus_chosen); cpu++) {
 
-		if (!bitmask_isbitset(cpus_chosen, cpu) ||
-		    cpufreq_cpu_exists(cpu))
+		if (!bitmask_isbitset(cpus_chosen, cpu))
 			continue;
 
+		if (sysfs_is_cpu_online(cpu) != 1){
+			fprintf(stderr, _("Cannot set values on CPU %d:"), cpu);
+			fprintf(stderr, _(" *is offline\n"));
+			continue;
+		}
+
 		if (params.perf_bias) {
 			ret = msr_intel_set_perf_bias(cpu, perf_bias);
 			if (ret) {
diff --git a/tools/power/cpupower/utils/helpers/topology.c b/tools/power/cpupower/utils/helpers/topology.c
index 9cbb7fd..5f9c908 100644
--- a/tools/power/cpupower/utils/helpers/topology.c
+++ b/tools/power/cpupower/utils/helpers/topology.c
@@ -106,7 +106,7 @@ int get_cpu_topology(struct cpupower_topology *cpu_top)
 			cpu_top->pkgs++;
 		}
 	}
-	if (!cpu_top->core_info[0].pkg == -1)
+	if (!(cpu_top->core_info[0].pkg == -1))
 		cpu_top->pkgs++;
 
 	/* Intel's cores count is not consecutively numbered, there may