[PATCH v4 0/3] Let other drivers react to platform profile changes

[Mario Limonciello <mario.limonciello@amd.com>]

Currently only one driver can register as a handler for a platform profile.

This limitation means that if multiple drivers want to react to platform
profile changes that they will need to directly interact with individual
drivers.

Instead introduce a notification flow that drivers can register for event
changes.  The idea is that any driver that wants to can:
1. read the current profile
2. set up initial values
3. register for changes
4. react to changes

Changes from v3->v4:
 * Simplify platform_profile_notify
   - No need to check cur_profile as platform_profile_get does it
   - No need to track ret as it's unused
Changes from v2->v3:
 * Add patches to avoid collisions in hp-wmi and asus-wmi symbols

Mario Limonciello (3):
  platform/x86: hp-wmi: rename platform_profile_* function symbols
  platform/x86: asus-wmi: rename platform_profile_* function symbols
  ACPI: platform_profile: Add support for notification chains

 drivers/acpi/platform_profile.c  | 46 +++++++++++++++++++++++++++-----
 drivers/platform/x86/asus-wmi.c  | 12 ++++-----
 drivers/platform/x86/hp-wmi.c    | 12 ++++-----
 include/linux/platform_profile.h | 10 +++++++
 4 files changed, 61 insertions(+), 19 deletions(-)

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2.25.1