linux-kernel - [PATCH v3 0/2] firmware: arm_scmi: clock: support parents commands

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Message-Id: <20231001-scmi-clock-v2-v3-0-898bd92d8939@nxp.com>
Date:   Sun, 01 Oct 2023 12:38:42 +0800
From:   "Peng Fan (OSS)" <peng.fan@....nxp.com>
To:     Sudeep Holla <sudeep.holla@....com>,
        Cristian Marussi <cristian.marussi@....com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org, Peng Fan <peng.fan@....com>
Subject: [PATCH v3 0/2] firmware: arm_scmi: clock: support parents commands

V2:
 Add determine_rate hooks

SCMI v3.2 spec adds parents commands, this patchset is to support them:
CLOCK_POSSIBLE_PARENTS_GET
CLOCK_PARENT_SET
CLOCK_PARENT_GET

Besides firmware api clock driver update, the clk_scmi driver also
updated to support set_parent and get_parent ops.

Signed-off-by: Peng Fan <peng.fan@....com>
---
Changes in v3:
 Address Cristian's comments:
  - Drop SCMI_MAX_NUM_PARENTS, alloc memory dynamically
  - Check clk_id, parent_id
  - Add comment for parent_get/set
- Link to v2: https://lore.kernel.org/r/20230925-scmi-clock-v2-v2-0-2d4d7127ebc1@nxp.com

---
Peng Fan (2):
      firmware: arm_scmi: clock: support clock parents
      clk: scmi: add set/get_parent support

 drivers/clk/clk-scmi.c            |  50 ++++++++++-
 drivers/firmware/arm_scmi/clock.c | 182 ++++++++++++++++++++++++++++++++++++--
 include/linux/scmi_protocol.h     |   6 ++
 3 files changed, 231 insertions(+), 7 deletions(-)
---
base-commit: 8fff9184d1b5810dca5dd1a02726d4f844af88fc
change-id: 20230925-scmi-clock-v2-042cf8e5cb77

Best regards,
-- 
Peng Fan <peng.fan@....com>