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clk: versaclock3: Drop ret variable

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Drop ret variable from vc3_clk_mux_determine_rate().

While at it, return the value returned by regmap_*
wherever possible instead of returning 0.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20231122142310.203169-6-biju.das.jz@bp.renesas.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Biju Das 2023-11-22 14:23:10 +00:00 committed by Stephen Boyd
parent 1235110562
commit b08fa38593
1 changed files with 11 additions and 19 deletions
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30
drivers/clk/clk-versaclock3.c
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@ -226,9 +226,8 @@ static int vc3_pfd_mux_set_parent(struct clk_hw *hw, u8 index)
struct vc3_hw_data *vc3 = container_of(hw, struct vc3_hw_data, hw);
const struct vc3_clk_data *pfd_mux = vc3->data;
regmap_update_bits(vc3->regmap, pfd_mux->offs, pfd_mux->bitmsk,
index ? pfd_mux->bitmsk : 0);
return 0;
return regmap_update_bits(vc3->regmap, pfd_mux->offs, pfd_mux->bitmsk,
index ? pfd_mux->bitmsk : 0);
}
static const struct clk_ops vc3_pfd_mux_ops = {
@ -456,10 +455,8 @@ static int vc3_div_mux_set_parent(struct clk_hw *hw, u8 index)
struct vc3_hw_data *vc3 = container_of(hw, struct vc3_hw_data, hw);
const struct vc3_clk_data *div_mux = vc3->data;
regmap_update_bits(vc3->regmap, div_mux->offs, div_mux->bitmsk,
index ? div_mux->bitmsk : 0);
return 0;
return regmap_update_bits(vc3->regmap, div_mux->offs, div_mux->bitmsk,
index ? div_mux->bitmsk : 0);
}
static const struct clk_ops vc3_div_mux_ops = {
@ -524,10 +521,9 @@ static int vc3_div_set_rate(struct clk_hw *hw, unsigned long rate,
value = divider_get_val(rate, parent_rate, div_data->table,
div_data->width, div_data->flags);
regmap_update_bits(vc3->regmap, div_data->offs,
VC3_DIV_MASK(div_data->width) << div_data->shift,
value << div_data->shift);
return 0;
return regmap_update_bits(vc3->regmap, div_data->offs,
VC3_DIV_MASK(div_data->width) << div_data->shift,
value << div_data->shift);
}
static const struct clk_ops vc3_div_ops = {
@ -539,11 +535,9 @@ static const struct clk_ops vc3_div_ops = {
static int vc3_clk_mux_determine_rate(struct clk_hw *hw,
struct clk_rate_request *req)
{
int ret;
int frc;
ret = clk_mux_determine_rate_flags(hw, req, CLK_SET_RATE_PARENT);
if (ret) {
if (clk_mux_determine_rate_flags(hw, req, CLK_SET_RATE_PARENT)) {
/* The below check is equivalent to (best_parent_rate/rate) */
if (req->best_parent_rate >= req->rate) {
frc = DIV_ROUND_CLOSEST_ULL(req->best_parent_rate,
@ -552,10 +546,9 @@ static int vc3_clk_mux_determine_rate(struct clk_hw *hw,
return clk_mux_determine_rate_flags(hw, req,
CLK_SET_RATE_PARENT);
}
ret = 0;
}
return ret;
return 0;
}
static u8 vc3_clk_mux_get_parent(struct clk_hw *hw)
@ -574,9 +567,8 @@ static int vc3_clk_mux_set_parent(struct clk_hw *hw, u8 index)
struct vc3_hw_data *vc3 = container_of(hw, struct vc3_hw_data, hw);
const struct vc3_clk_data *clk_mux = vc3->data;
regmap_update_bits(vc3->regmap, clk_mux->offs,
clk_mux->bitmsk, index ? clk_mux->bitmsk : 0);
return 0;
return regmap_update_bits(vc3->regmap, clk_mux->offs, clk_mux->bitmsk,
index ? clk_mux->bitmsk : 0);
}
static const struct clk_ops vc3_clk_mux_ops = {