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charset="utf-8" From: Peng Fan Some clks maybe default enabled by hardware, so add is_prepared hook for non-atomic clk_ops to get the status of the clk. Then when disabling unused clks, those unused clks but default hardware on clks could be in off state to save power. Signed-off-by: Peng Fan Reviewed-by: Dhruva Gole --- V2: Provider helper __scmi_clk_is_enabled for atomic and non-atomic usage Move is_prepared hook out of SCMI_CLK_STATE_CTRL_SUPPORTED drivers/clk/clk-scmi.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/drivers/clk/clk-scmi.c b/drivers/clk/clk-scmi.c index d86a02563f6c..15510c2ff21c 100644 --- a/drivers/clk/clk-scmi.c +++ b/drivers/clk/clk-scmi.c @@ -156,13 +156,13 @@ static void scmi_clk_atomic_disable(struct clk_hw *hw) scmi_proto_clk_ops->disable(clk->ph, clk->id, ATOMIC); } =20 -static int scmi_clk_atomic_is_enabled(struct clk_hw *hw) +static int __scmi_clk_is_enabled(struct clk_hw *hw, bool atomic) { int ret; bool enabled =3D false; struct scmi_clk *clk =3D to_scmi_clk(hw); =20 - ret =3D scmi_proto_clk_ops->state_get(clk->ph, clk->id, &enabled, ATOMIC); + ret =3D scmi_proto_clk_ops->state_get(clk->ph, clk->id, &enabled, atomic); if (ret) dev_warn(clk->dev, "Failed to get state for clock ID %d\n", clk->id); @@ -170,6 +170,16 @@ static int scmi_clk_atomic_is_enabled(struct clk_hw *h= w) return !!enabled; } =20 +static int scmi_clk_atomic_is_enabled(struct clk_hw *hw) +{ + return __scmi_clk_is_enabled(hw, ATOMIC); +} + +static int scmi_clk_is_enabled(struct clk_hw *hw) +{ + return __scmi_clk_is_enabled(hw, NOT_ATOMIC); +} + static int scmi_clk_get_duty_cycle(struct clk_hw *hw, struct clk_duty *dut= y) { int ret; @@ -285,6 +295,8 @@ scmi_clk_ops_alloc(struct device *dev, unsigned long fe= ats_key) =20 if (feats_key & BIT(SCMI_CLK_ATOMIC_SUPPORTED)) ops->is_enabled =3D scmi_clk_atomic_is_enabled; + else + ops->is_prepared =3D scmi_clk_is_enabled; =20 /* Rate ops */ ops->recalc_rate =3D scmi_clk_recalc_rate; --=20 2.37.1