[PATCH 1/6] firmware: arm_scmi: Simplify enable/disable Clock operations

From: Cristian Marussi
Date: Fri Aug 11 2023 - 12:16:02 EST


Add a param to Clock enable/disable operation to ask for atomic operation
and remove _atomic version of such operations.

No functional change.

CC: Michael Turquette <mturquette@xxxxxxxxxxxx>
CC: Stephen Boyd <sboyd@xxxxxxxxxx>
CC: linux-clk@xxxxxxxxxxxxxxx
Signed-off-by: Cristian Marussi <cristian.marussi@xxxxxxx>
---
drivers/clk/clk-scmi.c | 8 ++++----
drivers/firmware/arm_scmi/clock.c | 24 ++++++------------------
include/linux/scmi_protocol.h | 9 ++++-----
3 files changed, 14 insertions(+), 27 deletions(-)

diff --git a/drivers/clk/clk-scmi.c b/drivers/clk/clk-scmi.c
index 2c7a830ce308..ff003083e592 100644
--- a/drivers/clk/clk-scmi.c
+++ b/drivers/clk/clk-scmi.c
@@ -78,28 +78,28 @@ static int scmi_clk_enable(struct clk_hw *hw)
{
struct scmi_clk *clk = to_scmi_clk(hw);

- return scmi_proto_clk_ops->enable(clk->ph, clk->id);
+ return scmi_proto_clk_ops->enable(clk->ph, clk->id, false);
}

static void scmi_clk_disable(struct clk_hw *hw)
{
struct scmi_clk *clk = to_scmi_clk(hw);

- scmi_proto_clk_ops->disable(clk->ph, clk->id);
+ scmi_proto_clk_ops->disable(clk->ph, clk->id, false);
}

static int scmi_clk_atomic_enable(struct clk_hw *hw)
{
struct scmi_clk *clk = to_scmi_clk(hw);

- return scmi_proto_clk_ops->enable_atomic(clk->ph, clk->id);
+ return scmi_proto_clk_ops->enable(clk->ph, clk->id, true);
}

static void scmi_clk_atomic_disable(struct clk_hw *hw)
{
struct scmi_clk *clk = to_scmi_clk(hw);

- scmi_proto_clk_ops->disable_atomic(clk->ph, clk->id);
+ scmi_proto_clk_ops->disable(clk->ph, clk->id, true);
}

/*
diff --git a/drivers/firmware/arm_scmi/clock.c b/drivers/firmware/arm_scmi/clock.c
index 96060bf90a24..447d29b5fc72 100644
--- a/drivers/firmware/arm_scmi/clock.c
+++ b/drivers/firmware/arm_scmi/clock.c
@@ -418,26 +418,16 @@ scmi_clock_config_set(const struct scmi_protocol_handle *ph, u32 clk_id,
return ret;
}

-static int scmi_clock_enable(const struct scmi_protocol_handle *ph, u32 clk_id)
+static int scmi_clock_enable(const struct scmi_protocol_handle *ph, u32 clk_id,
+ bool atomic)
{
- return scmi_clock_config_set(ph, clk_id, CLOCK_ENABLE, false);
+ return scmi_clock_config_set(ph, clk_id, CLOCK_ENABLE, atomic);
}

-static int scmi_clock_disable(const struct scmi_protocol_handle *ph, u32 clk_id)
+static int scmi_clock_disable(const struct scmi_protocol_handle *ph, u32 clk_id,
+ bool atomic)
{
- return scmi_clock_config_set(ph, clk_id, 0, false);
-}
-
-static int scmi_clock_enable_atomic(const struct scmi_protocol_handle *ph,
- u32 clk_id)
-{
- return scmi_clock_config_set(ph, clk_id, CLOCK_ENABLE, true);
-}
-
-static int scmi_clock_disable_atomic(const struct scmi_protocol_handle *ph,
- u32 clk_id)
-{
- return scmi_clock_config_set(ph, clk_id, 0, true);
+ return scmi_clock_config_set(ph, clk_id, 0, atomic);
}

static int scmi_clock_count_get(const struct scmi_protocol_handle *ph)
@@ -470,8 +460,6 @@ static const struct scmi_clk_proto_ops clk_proto_ops = {
.rate_set = scmi_clock_rate_set,
.enable = scmi_clock_enable,
.disable = scmi_clock_disable,
- .enable_atomic = scmi_clock_enable_atomic,
- .disable_atomic = scmi_clock_disable_atomic,
};

static int scmi_clk_rate_notify(const struct scmi_protocol_handle *ph,
diff --git a/include/linux/scmi_protocol.h b/include/linux/scmi_protocol.h
index e6fe4f73ffe6..b4c631a8d0ac 100644
--- a/include/linux/scmi_protocol.h
+++ b/include/linux/scmi_protocol.h
@@ -90,11 +90,10 @@ struct scmi_clk_proto_ops {
u64 *rate);
int (*rate_set)(const struct scmi_protocol_handle *ph, u32 clk_id,
u64 rate);
- int (*enable)(const struct scmi_protocol_handle *ph, u32 clk_id);
- int (*disable)(const struct scmi_protocol_handle *ph, u32 clk_id);
- int (*enable_atomic)(const struct scmi_protocol_handle *ph, u32 clk_id);
- int (*disable_atomic)(const struct scmi_protocol_handle *ph,
- u32 clk_id);
+ int (*enable)(const struct scmi_protocol_handle *ph, u32 clk_id,
+ bool atomic);
+ int (*disable)(const struct scmi_protocol_handle *ph, u32 clk_id,
+ bool atomic);
};

/**
--
2.41.0