diff options
Diffstat (limited to 'drivers/clk/zynqmp/divider.c')
| -rw-r--r-- | drivers/clk/zynqmp/divider.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/drivers/clk/zynqmp/divider.c b/drivers/clk/zynqmp/divider.c index 5a00487ae408..c824eeacd8eb 100644 --- a/drivers/clk/zynqmp/divider.c +++ b/drivers/clk/zynqmp/divider.c @@ -118,9 +118,8 @@ static unsigned long zynqmp_clk_divider_recalc_rate(struct clk_hw *hw, * * Return: 0 on success else error+reason */ -static long zynqmp_clk_divider_round_rate(struct clk_hw *hw, - unsigned long rate, - unsigned long *prate) +static int zynqmp_clk_divider_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) { struct zynqmp_clk_divider *divider = to_zynqmp_clk_divider(hw); const char *clk_name = clk_hw_get_name(hw); @@ -145,17 +144,21 @@ static long zynqmp_clk_divider_round_rate(struct clk_hw *hw, if (divider->flags & CLK_DIVIDER_POWER_OF_TWO) bestdiv = 1 << bestdiv; - return DIV_ROUND_UP_ULL((u64)*prate, bestdiv); + req->rate = DIV_ROUND_UP_ULL((u64)req->best_parent_rate, bestdiv); + + return 0; } width = fls(divider->max_div); - rate = divider_round_rate(hw, rate, prate, NULL, width, divider->flags); + req->rate = divider_round_rate(hw, req->rate, &req->best_parent_rate, + NULL, width, divider->flags); - if (divider->is_frac && (clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT) && (rate % *prate)) - *prate = rate; + if (divider->is_frac && (clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT) && + (req->rate % req->best_parent_rate)) + req->best_parent_rate = req->rate; - return rate; + return 0; } /** @@ -199,13 +202,13 @@ static int zynqmp_clk_divider_set_rate(struct clk_hw *hw, unsigned long rate, static const struct clk_ops zynqmp_clk_divider_ops = { .recalc_rate = zynqmp_clk_divider_recalc_rate, - .round_rate = zynqmp_clk_divider_round_rate, + .determine_rate = zynqmp_clk_divider_determine_rate, .set_rate = zynqmp_clk_divider_set_rate, }; static const struct clk_ops zynqmp_clk_divider_ro_ops = { .recalc_rate = zynqmp_clk_divider_recalc_rate, - .round_rate = zynqmp_clk_divider_round_rate, + .determine_rate = zynqmp_clk_divider_determine_rate, }; /** |