[PATCH V3 0/7] CPPC enhancements

[Prashanth Prakash <pprakash@codeaurora.org>]

Hi,

This series has patches related to cppc that either improves the performance
or adds some features.

v3:
  * Fixed the error path in send_pcc_cmd in CPPC batching patch
  * Included a patch to consolidate all the global variables
  * Included a patch to check for PCC error bit (Alexey)
v2:
  * Sysfs entry for counter wraparound time(Alexey)
  * Updated latency calculation to sum of Nominal and MRTT(Alexey)
  * Moved refernce_perf from perf_caps to fb_ctrs
  * Addressed review comments from Hoan and few minor cleanups
v1:
  * Pulled in the CPPC batching path to this series
  * Addressed POSTCHANGE issue(Alexey) and switch to RW semaphore(Hoan)

Thanks,
Prashanth
Ashwin Chaugule (2):
  ACPI/CPPC: restructure read/writes for efficient sys mapped reg ops
  ACPI/CPPC: add sysfs support to compute delivered performance

Prashanth Prakash (5):
  ACPI/CPPC: acquire pcc_lock only while accessing PCC subspace
  ACPI/CPPC: support for batching CPPC requests
  ACPI/CPPC: set a non-zero value for transition_latency
  ACPI/CPPC: move all PCC related information into pcc_data
  ACPI/CPPC: check for error bit in PCC status field

 drivers/acpi/cppc_acpi.c       | 600 +++++++++++++++++++++++++++++++----------
 drivers/cpufreq/cppc_cpufreq.c |   1 +
 include/acpi/cppc_acpi.h       |  14 +-
 3 files changed, 466 insertions(+), 149 deletions(-)

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