From: Arnd Bergmann Date: Fri, 25 Feb 2022 16:05:31 +0000 (+0100) Subject: Merge tag 'scmi-updates-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep... X-Git-Tag: v6.6.17~7941^2~14 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b610c55bdfb95b84e010129527f01a662a218d67;p=platform%2Fkernel%2Flinux-rpi.git Merge tag 'scmi-updates-5.18' of git://git./linux/kernel/git/sudeep.holla/linux into arm/drivers Arm SCMI firmware interface updates for v5.18 Few main additions include: - Support for OPTEE based SCMI transport to enable using SCMI service provided by OPTEE on some platforms - Support for atomic SCMI transports which enables few SCMI transactions to be completed in atomic context. This involves other refactoring work associated with it. It also marks SMC and OPTEE as atomic transport as the commands are completed once the return. - Support for polling mode in SCMI VirtIO transport in order to support atomic operations - Support for atomic clock operations based on availability of atomic capability in the underlying SCMI transport Other changes involves some trace and log enhancements and miscellaneous bug fixes. * tag 'scmi-updates-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux: (28 commits) clk: scmi: Support atomic clock enable/disable API firmware: arm_scmi: Add support for clock_enable_latency firmware: arm_scmi: Add atomic support to clock protocol firmware: arm_scmi: Support optional system wide atomic-threshold-us dt-bindings: firmware: arm,scmi: Add atomic-threshold-us optional property firmware: arm_scmi: Add atomic mode support to virtio transport firmware: arm_scmi: Review virtio free_list handling firmware: arm_scmi: Add a virtio channel refcount firmware: arm_scmi: Disable ftrace for Clang Thumb2 builds firmware: arm_scmi: Add new parameter to mark_txdone firmware: arm_scmi: Add atomic mode support to smc transport firmware: arm_scmi: Add support for atomic transports firmware: arm_scmi: Make optee support sync_cmds_completed_on_ret firmware: arm_scmi: Make smc support sync_cmds_completed_on_ret firmware: arm_scmi: Add sync_cmds_completed_on_ret transport flag firmware: arm_scmi: Make smc transport use common completions firmware: arm_scmi: Add configurable polling mode for transports firmware: arm_scmi: Use new trace event scmi_xfer_response_wait include: trace: Add new scmi_xfer_response_wait event firmware: arm_scmi: Refactor message response path ... Link: https://lore.kernel.org/r/20220222201742.3338589-1-sudeep.holla@arm.com Signed-off-by: Arnd Bergmann --- b610c55bdfb95b84e010129527f01a662a218d67