diff options
Diffstat (limited to 'drivers/clk/st/clkgen-pll.c')
| -rw-r--r-- | drivers/clk/st/clkgen-pll.c | 38 |
1 files changed, 22 insertions, 16 deletions
diff --git a/drivers/clk/st/clkgen-pll.c b/drivers/clk/st/clkgen-pll.c index b36e4d803636..c258ff87a171 100644 --- a/drivers/clk/st/clkgen-pll.c +++ b/drivers/clk/st/clkgen-pll.c @@ -395,25 +395,28 @@ static unsigned long recalc_stm_pll3200c32(struct clk_hw *hw, return rate; } -static long round_rate_stm_pll3200c32(struct clk_hw *hw, unsigned long rate, - unsigned long *prate) +static int stm_pll3200c32_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) { struct stm_pll params; - if (!clk_pll3200c32_get_params(*prate, rate, ¶ms)) - clk_pll3200c32_get_rate(*prate, ¶ms, &rate); + if (!clk_pll3200c32_get_params(req->best_parent_rate, req->rate, ¶ms)) + clk_pll3200c32_get_rate(req->best_parent_rate, ¶ms, + &req->rate); else { pr_debug("%s: %s rate %ld Invalid\n", __func__, - __clk_get_name(hw->clk), rate); + __clk_get_name(hw->clk), req->rate); + req->rate = 0; + return 0; } pr_debug("%s: %s new rate %ld [ndiv=%u] [idf=%u]\n", __func__, __clk_get_name(hw->clk), - rate, (unsigned int)params.ndiv, + req->rate, (unsigned int)params.ndiv, (unsigned int)params.idf); - return rate; + return 0; } static int set_rate_stm_pll3200c32(struct clk_hw *hw, unsigned long rate, @@ -549,25 +552,28 @@ static unsigned long recalc_stm_pll4600c28(struct clk_hw *hw, return rate; } -static long round_rate_stm_pll4600c28(struct clk_hw *hw, unsigned long rate, - unsigned long *prate) +static int stm_pll4600c28_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) { struct stm_pll params; - if (!clk_pll4600c28_get_params(*prate, rate, ¶ms)) { - clk_pll4600c28_get_rate(*prate, ¶ms, &rate); + if (!clk_pll4600c28_get_params(req->best_parent_rate, req->rate, ¶ms)) { + clk_pll4600c28_get_rate(req->best_parent_rate, ¶ms, + &req->rate); } else { pr_debug("%s: %s rate %ld Invalid\n", __func__, - __clk_get_name(hw->clk), rate); + __clk_get_name(hw->clk), req->rate); + req->rate = 0; + return 0; } pr_debug("%s: %s new rate %ld [ndiv=%u] [idf=%u]\n", __func__, __clk_get_name(hw->clk), - rate, (unsigned int)params.ndiv, + req->rate, (unsigned int)params.ndiv, (unsigned int)params.idf); - return rate; + return 0; } static int set_rate_stm_pll4600c28(struct clk_hw *hw, unsigned long rate, @@ -628,7 +634,7 @@ static const struct clk_ops stm_pll3200c32_a9_ops = { .disable = clkgen_pll_disable, .is_enabled = clkgen_pll_is_enabled, .recalc_rate = recalc_stm_pll3200c32, - .round_rate = round_rate_stm_pll3200c32, + .determine_rate = stm_pll3200c32_determine_rate, .set_rate = set_rate_stm_pll3200c32, }; @@ -637,7 +643,7 @@ static const struct clk_ops stm_pll4600c28_ops = { .disable = clkgen_pll_disable, .is_enabled = clkgen_pll_is_enabled, .recalc_rate = recalc_stm_pll4600c28, - .round_rate = round_rate_stm_pll4600c28, + .determine_rate = stm_pll4600c28_determine_rate, .set_rate = set_rate_stm_pll4600c28, }; |