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path: root/drivers/clk/sunxi-ng/ccu_nm.c
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Diffstat (limited to 'drivers/clk/sunxi-ng/ccu_nm.c')
-rw-r--r--drivers/clk/sunxi-ng/ccu_nm.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/clk/sunxi-ng/ccu_nm.c b/drivers/clk/sunxi-ng/ccu_nm.c
index c1fd11542c45..ffac3deb89d6 100644
--- a/drivers/clk/sunxi-ng/ccu_nm.c
+++ b/drivers/clk/sunxi-ng/ccu_nm.c
@@ -27,8 +27,8 @@ static unsigned long ccu_nm_calc_rate(unsigned long parent,
return rate;
}
-static unsigned long ccu_nm_find_best(unsigned long parent, unsigned long rate,
- struct _ccu_nm *nm)
+static unsigned long ccu_nm_find_best(struct ccu_common *common, unsigned long parent,
+ unsigned long rate, struct _ccu_nm *nm)
{
unsigned long best_rate = 0;
unsigned long best_n = 0, best_m = 0;
@@ -39,10 +39,7 @@ static unsigned long ccu_nm_find_best(unsigned long parent, unsigned long rate,
unsigned long tmp_rate = ccu_nm_calc_rate(parent,
_n, _m);
- if (tmp_rate > rate)
- continue;
-
- if ((rate - tmp_rate) < (rate - best_rate)) {
+ if (ccu_is_better_rate(common, rate, tmp_rate, best_rate)) {
best_rate = tmp_rate;
best_n = _n;
best_m = _m;
@@ -159,7 +156,7 @@ static long ccu_nm_round_rate(struct clk_hw *hw, unsigned long rate,
_nm.min_m = 1;
_nm.max_m = nm->m.max ?: 1 << nm->m.width;
- rate = ccu_nm_find_best(*parent_rate, rate, &_nm);
+ rate = ccu_nm_find_best(&nm->common, *parent_rate, rate, &_nm);
if (nm->common.features & CCU_FEATURE_FIXED_POSTDIV)
rate /= nm->fixed_post_div;
@@ -210,7 +207,7 @@ static int ccu_nm_set_rate(struct clk_hw *hw, unsigned long rate,
&_nm.m, &_nm.n);
} else {
ccu_sdm_helper_disable(&nm->common, &nm->sdm);
- ccu_nm_find_best(parent_rate, rate, &_nm);
+ ccu_nm_find_best(&nm->common, parent_rate, rate, &_nm);
}
spin_lock_irqsave(nm->common.lock, flags);