diff options
Diffstat (limited to 'drivers/clk/imx/clk-pfd.c')
| -rw-r--r-- | drivers/clk/imx/clk-pfd.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/clk/imx/clk-pfd.c b/drivers/clk/imx/clk-pfd.c index 5d2a9a3be95e..31220fa7882b 100644 --- a/drivers/clk/imx/clk-pfd.c +++ b/drivers/clk/imx/clk-pfd.c @@ -5,6 +5,7 @@ */ #include <linux/clk-provider.h> +#include <linux/export.h> #include <linux/io.h> #include <linux/slab.h> #include <linux/err.h> @@ -61,24 +62,26 @@ static unsigned long clk_pfd_recalc_rate(struct clk_hw *hw, return tmp; } -static long clk_pfd_round_rate(struct clk_hw *hw, unsigned long rate, - unsigned long *prate) +static int clk_pfd_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) { - u64 tmp = *prate; + u64 tmp = req->best_parent_rate; u8 frac; - tmp = tmp * 18 + rate / 2; - do_div(tmp, rate); + tmp = tmp * 18 + req->rate / 2; + do_div(tmp, req->rate); frac = tmp; if (frac < 12) frac = 12; else if (frac > 35) frac = 35; - tmp = *prate; + tmp = req->best_parent_rate; tmp *= 18; do_div(tmp, frac); - return tmp; + req->rate = tmp; + + return 0; } static int clk_pfd_set_rate(struct clk_hw *hw, unsigned long rate, @@ -116,7 +119,7 @@ static const struct clk_ops clk_pfd_ops = { .enable = clk_pfd_enable, .disable = clk_pfd_disable, .recalc_rate = clk_pfd_recalc_rate, - .round_rate = clk_pfd_round_rate, + .determine_rate = clk_pfd_determine_rate, .set_rate = clk_pfd_set_rate, .is_enabled = clk_pfd_is_enabled, }; @@ -153,3 +156,4 @@ struct clk_hw *imx_clk_hw_pfd(const char *name, const char *parent_name, return hw; } +EXPORT_SYMBOL_GPL(imx_clk_hw_pfd); |