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beee23aebc
linux-next/drivers/acpi
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Prakash, Prashanth beee23aebc ACPI / CPPC: replace writeX/readX to PCC with relaxed version 
We do not have a strict read/write order requirement while accessing
PCC subspace. The only requirement is all access should be committed
before triggering the PCC doorbell to transfer the ownership of PCC
to the platform and this requirement is enforced by the PCC driver.

Profiling on a many core system shows improvement of about 1.8us on
average per freq change request(about 10% improvement on average).
Since these operations are executed while holding the pcc_lock,
reducing this time helps the CPPC implementation to scale much
better as the number of cores increases.

Signed-off-by: Prashanth Prakash <pprakash@codeaurora.org>
Acked-by: Ashwin Chaugule <ashwin.chaugule@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-03-09 23:35:29 +01:00
..
acpica ACPICA: Silence a -Wbad-function-cast warning when acpi_uintptr_t is 'uintptr_t' 2016-01-15 22:22:05 +01:00
apei tree wide: use kvfree() than conditional kfree()/vfree() 2016-01-22 17:02:18 -08:00
pmic ACPI/PMIC: Fix typo in MODULE_DESCRIPTION in intel_pmic_crc.c 2015-03-26 21:34:51 +01:00
ac.c ACPI: Remove FSF mailing addresses 2015-07-08 02:27:32 +02:00
acpi_apd.c ACPI / APD: Add APM X-Gene ACPI I2C device support 2016-01-07 14:11:55 +01:00
acpi_cmos_rtc.c ACPI / RTC: Fix CMOS RTC opregion handler accesses to wrong addresses 2014-09-08 15:38:41 +02:00
acpi_dbg.c ACPI / debugger: Fix a redundant mutex unlock issue in acpi_aml_open() 2015-12-28 01:29:41 +01:00
acpi_extlog.c ACPI and power management updates for 3.17-rc1 2014-08-06 20:34:19 -07:00
acpi_ipmi.c ACPI: Remove FSF mailing addresses 2015-07-08 02:27:32 +02:00
acpi_lpat.c ACPI / LPAT: Common table processing functions 2015-01-29 21:02:10 +08:00
acpi_lpss.c PM / Domains: add setter for dev.pm_domain 2016-01-08 01:12:06 +01:00
acpi_memhotplug.c ACPI: Remove FSF mailing addresses 2015-07-08 02:27:32 +02:00
acpi_pad.c ACPI / PAD: power_saving_thread() is not freezable 2015-10-26 04:42:54 +01:00
acpi_platform.c device property: ACPI: Make use of the new DMA Attribute APIs 2015-11-07 01:29:22 +01:00
acpi_pnp.c ACPI / PNP: constify device IDs 2016-01-04 22:10:30 +01:00
acpi_processor.c ACPI: Add weak routines for ACPI CPU Hotplug 2015-10-12 23:08:03 +02:00
acpi_video.c ACPI / video: Add disable_backlight_sysfs_if quirk for the Toshiba Satellite R830 2016-01-15 22:10:43 +01:00
battery.c ACPI: Remove FSF mailing addresses 2015-07-08 02:27:32 +02:00
battery.h ACPI / battery: move some ACPI_BATTERY_* definitions to header 2014-03-19 01:57:46 +01:00
bgrt.c acpi: bgrt: fix build error due to attribute change 2013-08-22 08:34:39 -07:00
blacklist.c ACPI: Remove FSF mailing addresses 2015-07-08 02:27:32 +02:00
bus.c Merge branches 'acpi-scan', 'acpi-bus', 'acpi-osl' and 'acpi-pm' 2016-01-12 01:10:03 +01:00
button.c ACPI: Remove FSF mailing addresses 2015-07-08 02:27:32 +02:00
cm_sbs.c ACPI: Remove FSF mailing addresses 2015-07-08 02:27:32 +02:00
container.c ACPI: Remove FSF mailing addresses 2015-07-08 02:27:32 +02:00
cppc_acpi.c ACPI / CPPC: replace writeX/readX to PCC with relaxed version 2016-03-09 23:35:29 +01:00
custom_method.c ACPI: Clean up inclusions of ACPI header files 2013-12-07 01:03:14 +01:00
debugfs.c ACPI: fix acpi_debugfs_init prototype 2015-08-07 02:55:18 +02:00
device_pm.c PM / Domains: add setter for dev.pm_domain 2016-01-08 01:12:06 +01:00
device_sysfs.c ACPI / property: avoid leaking format string into kobject name 2016-01-08 01:01:41 +01:00
dock.c ACPI: Remove FSF mailing addresses 2015-07-08 02:27:32 +02:00
ec_sys.c ACPI / EC: Fix broken 64bit big-endian users of 'global_lock' 2015-10-04 11:36:07 +01:00
ec.c ACPI-EC: Drop unnecessary check made before calling acpi_ec_delete_query() 2015-11-16 23:29:44 +01:00
event.c netlink: make nlmsg_end() and genlmsg_end() void 2015-01-18 01:03:45 -05:00
fan.c ACPI / fan: Improve acpi_device_update_power error message 2016-01-15 22:00:08 +01:00
glue.c Merge branch 'acpi-pci' 2015-11-07 01:30:10 +01:00
gsi.c ACPI: Rename acpi_gsi_get_irq_type to acpi_dev_get_irq_type and export symbol 2016-01-01 03:20:25 +01:00
hed.c ACPI: Remove FSF mailing addresses 2015-07-08 02:27:32 +02:00
int340x_thermal.c ACPI: Eliminate CONFIG_.*{, _MODULE} #ifdef in favor of IS_ENABLED() 2015-09-15 03:05:45 +02:00
internal.h ACPI: Fix white space in a structure definition 2016-01-04 22:25:12 +01:00
ioapic.c x86/irq, ACPI: Implement ACPI driver to support IOAPIC hotplug 2015-02-05 15:09:26 +01:00
Kconfig ACPI / debugger: Add module support for ACPI debugger 2015-12-15 00:17:44 +01:00
Makefile Merge branches 'acpi-pci', 'acpi-irq' and 'acpi-assorted' 2016-01-12 01:10:19 +01:00
nfit.c libnvdimm for 4.5 2016-01-13 19:15:14 -08:00
nfit.h nfit: Adjust for different _FIT and NFIT headers 2015-11-30 14:51:46 -08:00
numa.c ACPI: Remove FSF mailing addresses 2015-07-08 02:27:32 +02:00
nvs.c ACPI: Clean up acpi_os_map/unmap_memory() to eliminate __iomem. 2014-05-27 18:13:08 +02:00
osl.c Merge branches 'acpi-scan', 'acpi-bus', 'acpi-osl' and 'acpi-pm' 2016-01-12 01:10:03 +01:00
pci_irq.c ACPI, PCI, irq: remove redundant check for null string pointer 2016-01-05 13:40:05 +01:00
pci_link.c ACPI / PCI: Simplify acpi_penalize_isa_irq() 2016-01-04 22:07:39 +01:00
pci_root.c x86/PCI/ACPI: Fix regression caused by commit 4d6b4e69a2 2015-12-02 02:30:15 +01:00
pci_slot.c ACPI: Remove FSF mailing addresses 2015-07-08 02:27:32 +02:00
power.c Merge branch 'acpi-pm' 2015-09-01 03:38:43 +02:00
proc.c ACPI: change acpi_sleep_proc_init() to return void 2015-09-15 03:03:15 +02:00
processor_core.c ACPI / processor: Introduce invalid_phys_cpuid() 2015-05-13 23:28:16 +02:00
processor_driver.c ACPI / processor: Fix thermal cooling device regression 2015-12-21 03:41:49 +01:00
processor_idle.c ACPI: Remove FSF mailing addresses 2015-07-08 02:27:32 +02:00
processor_pdc.c ACPI / processor: Introduce invalid_logical_cpuid() 2015-05-13 23:28:14 +02:00
processor_perflib.c Merge branch 'pm-cpufreq' 2015-09-01 15:52:35 +02:00
processor_thermal.c ACPI: Remove FSF mailing addresses 2015-07-08 02:27:32 +02:00
processor_throttling.c ACPI: Remove FSF mailing addresses 2015-07-08 02:27:32 +02:00
property.c device property: return -EINVAL when property isn't found in ACPI 2015-12-07 02:29:23 +01:00
reboot.c
resource.c ACPI: Rename acpi_gsi_get_irq_type to acpi_dev_get_irq_type and export symbol 2016-01-01 03:20:25 +01:00
sbs.c ACPI / SBS: fix inconsistent indenting inside if statement 2016-01-04 22:14:27 +01:00
sbshc.c Revert "ACPI / SBS: Add 5 us delay to fix SBS hangs on MacBook" 2015-11-16 23:26:45 +01:00
sbshc.h
scan.c ACPI / utils: Add acpi_dev_present() 2015-12-09 01:31:41 +01:00
sleep.c ACPICA: Drop Linux-specific waking vector functions 2016-01-04 22:05:20 +01:00
sleep.h ACPICA: Drop Linux-specific waking vector functions 2016-01-04 22:05:20 +01:00
sysfs.c ACPI / sysfs: correctly check failing memory allocation 2015-10-26 04:57:27 +01:00
tables.c ACPI / tables: test the correct variable 2015-10-15 01:31:24 +02:00
thermal.c linux/thermal.h: rename KELVIN_TO_CELSIUS to DECI_KELVIN_TO_CELSIUS 2015-10-10 11:32:30 +08:00
utils.c ACPI / utils: Add acpi_dev_present() 2015-12-09 01:31:41 +01:00
video_detect.c ACPI: Revert "ACPI / video: Add Dell Inspiron 5737 to the blacklist" 2016-01-23 03:04:59 +01:00
wakeup.c ACPI: Clean up inclusions of ACPI header files 2013-12-07 01:03:14 +01:00