• Arnd Bergmann's avatar
    Merge tag 'scmi-updates-5.4' of... · 738590a3
    Arnd Bergmann authored
    Merge tag 'scmi-updates-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/drivers
    
    ARM SCMI updates/fixes for v5.4
    
    Handful of fixes/updates including:
    1. SCMI v2.0(recently released) support for:
    	- Performance protocol fast channels
    	- Reset Management Protocol
    2. SCMI infrastructure/core support for recieve(Rx) channels,
       asynchronous commands and delayed response
    3. Usage of asynchronous commands for clock rate setting and sensor
       reading based on the attributes read from the firmware
    4. Miscellaneous cleanups(typos, naming alignment with specification,
       and SPDX License identifier)
    5. Couple of fixes: removal of extra check for invalid length and
       additional check to ensure platform/firmware has released shared
       memory before using it in OSPM
    
    * tag 'scmi-updates-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux: (22 commits)
      reset: Add support for resets provided by SCMI
      firmware: arm_scmi: Add RESET protocol in SCMI v2.0
      dt-bindings: arm: Extend SCMI to support new reset protocol
      firmware: arm_scmi: Make use SCMI v2.0 fastchannel for performance protocol
      firmware: arm_scmi: Add discovery of SCMI v2.0 performance fastchannels
      firmware: arm_scmi: Use {get,put}_unaligned_le{32,64} accessors
      firmware: arm_scmi: Use asynchronous CLOCK_RATE_SET when possible
      firmware: arm_scmi: Drop config flag in clk_ops->rate_set
      firmware: arm_scmi: Add asynchronous sensor read if it supports
      firmware: arm_scmi: Drop async flag in sensor_ops->reading_get
      firmware: arm_scmi: Add support for asynchronous commands and delayed response
      firmware: arm_scmi: Add mechanism to unpack message headers
      firmware: arm_scmi: Separate out tx buffer handling and prepare to add rx
      firmware: arm_scmi: Add receive channel support for notifications
      firmware: arm_scmi: Segregate tx channel handling and prepare to add rx
      firmware: arm_scmi: Reorder some functions to avoid forward declarations
      firmware: arm_scmi: Check if platform has released shmem before using
      firmware: arm_scmi: Use the term 'message' instead of 'command'
      firmware: arm_scmi: Fix few trivial typos in comments
      firmware: arm_scmi: Remove extra check for invalid length message responses
      ...
    
    Link: https://lore.kernel.org/r/20190814172454.26191-1-sudeep.holla@arm.comSigned-off-by: default avatarArnd Bergmann <arnd@arndb.de>
    738590a3
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