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-rw-r--r--drivers/clk/clk-si5351.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/clk/clk-si5351.c b/drivers/clk/clk-si5351.c
index 07bd67d681f9..76487f568a6e 100644
--- a/drivers/clk/clk-si5351.c
+++ b/drivers/clk/clk-si5351.c
@@ -1037,11 +1037,12 @@ static unsigned long si5351_clkout_recalc_rate(struct clk_hw *hw,
return parent_rate >> rdiv;
}
-static long si5351_clkout_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *parent_rate)
+static int si5351_clkout_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
struct si5351_hw_data *hwdata =
container_of(hw, struct si5351_hw_data, hw);
+ unsigned long rate = req->rate;
unsigned char rdiv;
/* clkout6/7 can only handle output freqencies < 150MHz */
@@ -1063,13 +1064,13 @@ static long si5351_clkout_round_rate(struct clk_hw *hw, unsigned long rate,
rdiv += 1;
rate *= 2;
}
- *parent_rate = rate;
+ req->best_parent_rate = rate;
} else {
unsigned long new_rate, new_err, err;
/* round to closed rdiv */
rdiv = SI5351_OUTPUT_CLK_DIV_1;
- new_rate = *parent_rate;
+ new_rate = req->best_parent_rate;
err = abs(new_rate - rate);
do {
new_rate >>= 1;
@@ -1080,14 +1081,15 @@ static long si5351_clkout_round_rate(struct clk_hw *hw, unsigned long rate,
err = new_err;
} while (1);
}
- rate = *parent_rate >> rdiv;
+ rate = req->best_parent_rate >> rdiv;
dev_dbg(&hwdata->drvdata->client->dev,
"%s - %s: rdiv = %u, parent_rate = %lu, rate = %lu\n",
__func__, clk_hw_get_name(hw), (1 << rdiv),
- *parent_rate, rate);
+ req->best_parent_rate, rate);
- return rate;
+ req->rate = rate;
+ return 0;
}
static int si5351_clkout_set_rate(struct clk_hw *hw, unsigned long rate,
@@ -1147,7 +1149,7 @@ static const struct clk_ops si5351_clkout_ops = {
.set_parent = si5351_clkout_set_parent,
.get_parent = si5351_clkout_get_parent,
.recalc_rate = si5351_clkout_recalc_rate,
- .round_rate = si5351_clkout_round_rate,
+ .determine_rate = si5351_clkout_determine_rate,
.set_rate = si5351_clkout_set_rate,
};