linux-kernel - [PATCH V6 0/3] firmware: arm_scmi: Make scmi core independent of the transport type

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Date:   Fri, 31 Jan 2020 10:58:10 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     arnd@...db.de, Sudeep Holla <sudeep.holla@....com>
Cc:     Viresh Kumar <viresh.kumar@...aro.org>, jassisinghbrar@...il.com,
        cristian.marussi@....com, peng.fan@....com,
        peter.hilber@...nsynergy.com,
        Vincent Guittot <vincent.guittot@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH V6 0/3] firmware: arm_scmi: Make scmi core independent of the transport type

Hello,

This patchset makes the scmi core (driver.c) independent of mailbox
transport.

V5->V6:
- Divide the patchset into multiple logical patches.
- Create shmem.c to separate out shared mem related helpers.
- Make mark_txdone() optional.
- Drop inclusion of stddef.h.

V4->V5:
- struct scmi_shared_mem is moved to mailbox.c and it is completely
  handled by transport layer now.
- And so lots of ops change due to this.
- Fixed a bug from previous version where wrong dev structure was
  getting passed to devm_kzalloc().

V3->V4:
- Rebased on top of linux-next.

V2->V3:
- Added more ops to the structure to read/write/memcpy data
- Payload is moved to mailbox.c and is handled in transport specific way
  now. This resulted in lots of changes.

V1->V2:
- Dropped __iomem from payload data.
- Moved transport ops to scmi_desc, and that has a per transport
  instance now which is differentiated using the compatible string.
- Converted IS_ERR_OR_NULL to IS_ERR.

Viresh Kumar (3):
  firmware: arm_scmi: Update doc style comments
  firmware: arm_scmi: Move macros and helpers to common.h
  firmware: arm_scmi: Make scmi core independent of the transport type

 drivers/firmware/arm_scmi/Makefile  |   3 +-
 drivers/firmware/arm_scmi/common.h  | 112 ++++++++++-
 drivers/firmware/arm_scmi/driver.c  | 293 ++++------------------------
 drivers/firmware/arm_scmi/mailbox.c | 184 +++++++++++++++++
 drivers/firmware/arm_scmi/shmem.c   |  82 ++++++++
 5 files changed, 412 insertions(+), 262 deletions(-)
 create mode 100644 drivers/firmware/arm_scmi/mailbox.c
 create mode 100644 drivers/firmware/arm_scmi/shmem.c

-- 
2.21.0.rc0.269.g1a574e7a288b