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Subject[PATCH v4 0/2] firmware: arm_scmi: clock: support parents commands
Date
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@nxp.com>

To: Sudeep Holla <sudeep.holla@arm.com>
To: Cristian Marussi <cristian.marussi@arm.com>
To: Michael Turquette <mturquette@baylibre.com>
To: Stephen Boyd <sboyd@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-clk@vger.kernel.org

Changes in v4:
Included Cristian's fix in patch 2 for get parent. Thanks, Cristian.
Add Cristian's R-b in patch 1
Rebased on https://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux.git/log/?h=for-next/scmi/updates
- Link to v3: https://lore.kernel.org/all/20231001-scmi-clock-v2-v3-0-898bd92d8939@nxp.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

Changes in V2:
- Add determine_rate hooks

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

drivers/clk/clk-scmi.c | 58 +++++++++++-
drivers/firmware/arm_scmi/clock.c | 182 ++++++++++++++++++++++++++++++++++++--
include/linux/scmi_protocol.h | 6 ++
3 files changed, 239 insertions(+), 7 deletions(-)
---
base-commit: 8b6022be4c6e3e0d37c3e1378c9ff0a2c8717b09
change-id: 20231003-scmi-clock-v3-ae65eb755d15

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

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