summaryrefslogtreecommitdiff
path: root/drivers/clk/meson/sclk-div.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/clk/meson/sclk-div.c')
-rw-r--r--drivers/clk/meson/sclk-div.c21
1 files changed, 14 insertions, 7 deletions
diff --git a/drivers/clk/meson/sclk-div.c b/drivers/clk/meson/sclk-div.c
index 76d31c0a3342..4ba3d82810e8 100644
--- a/drivers/clk/meson/sclk-div.c
+++ b/drivers/clk/meson/sclk-div.c
@@ -96,16 +96,17 @@ static int sclk_div_bestdiv(struct clk_hw *hw, unsigned long rate,
return bestdiv;
}
-static long sclk_div_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
+static int sclk_div_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
struct clk_regmap *clk = to_clk_regmap(hw);
struct meson_sclk_div_data *sclk = meson_sclk_div_data(clk);
int div;
- div = sclk_div_bestdiv(hw, rate, prate, sclk);
+ div = sclk_div_bestdiv(hw, req->rate, &req->best_parent_rate, sclk);
+ req->rate = DIV_ROUND_UP_ULL((u64)req->best_parent_rate, div);
- return DIV_ROUND_UP_ULL((u64)*prate, div);
+ return 0;
}
static void sclk_apply_ratio(struct clk_regmap *clk,
@@ -221,6 +222,11 @@ static int sclk_div_init(struct clk_hw *hw)
struct clk_regmap *clk = to_clk_regmap(hw);
struct meson_sclk_div_data *sclk = meson_sclk_div_data(clk);
unsigned int val;
+ int ret;
+
+ ret = clk_regmap_init(hw);
+ if (ret)
+ return ret;
val = meson_parm_read(clk->map, &sclk->div);
@@ -237,7 +243,7 @@ static int sclk_div_init(struct clk_hw *hw)
const struct clk_ops meson_sclk_div_ops = {
.recalc_rate = sclk_div_recalc_rate,
- .round_rate = sclk_div_round_rate,
+ .determine_rate = sclk_div_determine_rate,
.set_rate = sclk_div_set_rate,
.enable = sclk_div_enable,
.disable = sclk_div_disable,
@@ -246,8 +252,9 @@ const struct clk_ops meson_sclk_div_ops = {
.set_duty_cycle = sclk_div_set_duty_cycle,
.init = sclk_div_init,
};
-EXPORT_SYMBOL_GPL(meson_sclk_div_ops);
+EXPORT_SYMBOL_NS_GPL(meson_sclk_div_ops, "CLK_MESON");
MODULE_DESCRIPTION("Amlogic Sample divider driver");
MODULE_AUTHOR("Jerome Brunet <jbrunet@baylibre.com>");
-MODULE_LICENSE("GPL v2");
+MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS("CLK_MESON");