diff options
Diffstat (limited to 'drivers/clk/imx/clk-frac-pll.c')
| -rw-r--r-- | drivers/clk/imx/clk-frac-pll.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/clk/imx/clk-frac-pll.c b/drivers/clk/imx/clk-frac-pll.c index 101e0a300376..eb668faaa38f 100644 --- a/drivers/clk/imx/clk-frac-pll.c +++ b/drivers/clk/imx/clk-frac-pll.c @@ -10,6 +10,7 @@ #include <linux/clk-provider.h> #include <linux/err.h> +#include <linux/export.h> #include <linux/io.h> #include <linux/iopoll.h> #include <linux/slab.h> @@ -118,19 +119,19 @@ static unsigned long clk_pll_recalc_rate(struct clk_hw *hw, return rate; } -static long clk_pll_round_rate(struct clk_hw *hw, unsigned long rate, - unsigned long *prate) +static int clk_pll_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) { - u64 parent_rate = *prate; + u64 parent_rate = req->best_parent_rate; u32 divff, divfi; u64 temp64; parent_rate *= 8; - rate *= 2; - temp64 = rate; + req->rate *= 2; + temp64 = req->rate; do_div(temp64, parent_rate); divfi = temp64; - temp64 = rate - divfi * parent_rate; + temp64 = req->rate - divfi * parent_rate; temp64 *= PLL_FRAC_DENOM; do_div(temp64, parent_rate); divff = temp64; @@ -139,9 +140,11 @@ static long clk_pll_round_rate(struct clk_hw *hw, unsigned long rate, temp64 *= divff; do_div(temp64, PLL_FRAC_DENOM); - rate = parent_rate * divfi + temp64; + req->rate = parent_rate * divfi + temp64; + + req->rate = req->rate / 2; - return rate / 2; + return 0; } /* @@ -197,7 +200,7 @@ static const struct clk_ops clk_frac_pll_ops = { .unprepare = clk_pll_unprepare, .is_prepared = clk_pll_is_prepared, .recalc_rate = clk_pll_recalc_rate, - .round_rate = clk_pll_round_rate, + .determine_rate = clk_pll_determine_rate, .set_rate = clk_pll_set_rate, }; @@ -233,3 +236,4 @@ struct clk_hw *imx_clk_hw_frac_pll(const char *name, return hw; } +EXPORT_SYMBOL_GPL(imx_clk_hw_frac_pll); |