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clk: Consolidate recalc rate logic
The same if-else statement exists four times to recalculate the rate of a clock. Consolidate this logic into a single function to save some lines. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Mike Turquette <mturquette@linaro.org>
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@ -1115,6 +1115,13 @@ long clk_get_accuracy(struct clk *clk)
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}
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EXPORT_SYMBOL_GPL(clk_get_accuracy);
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static unsigned long clk_recalc(struct clk *clk, unsigned long parent_rate)
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{
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if (clk->ops->recalc_rate)
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return clk->ops->recalc_rate(clk->hw, parent_rate);
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return parent_rate;
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}
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/**
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* __clk_recalc_rates
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* @clk: first clk in the subtree
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@ -1140,10 +1147,7 @@ static void __clk_recalc_rates(struct clk *clk, unsigned long msg)
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if (clk->parent)
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parent_rate = clk->parent->rate;
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if (clk->ops->recalc_rate)
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clk->rate = clk->ops->recalc_rate(clk->hw, parent_rate);
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else
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clk->rate = parent_rate;
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clk->rate = clk_recalc(clk, parent_rate);
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/*
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* ignore NOTIFY_STOP and NOTIFY_BAD return values for POST_RATE_CHANGE
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@ -1334,10 +1338,7 @@ static int __clk_speculate_rates(struct clk *clk, unsigned long parent_rate)
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unsigned long new_rate;
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int ret = NOTIFY_DONE;
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if (clk->ops->recalc_rate)
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new_rate = clk->ops->recalc_rate(clk->hw, parent_rate);
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else
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new_rate = parent_rate;
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new_rate = clk_recalc(clk, parent_rate);
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/* abort rate change if a driver returns NOTIFY_BAD or NOTIFY_STOP */
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if (clk->notifier_count)
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@ -1373,10 +1374,7 @@ static void clk_calc_subtree(struct clk *clk, unsigned long new_rate,
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new_parent->new_child = clk;
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hlist_for_each_entry(child, &clk->children, child_node) {
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if (child->ops->recalc_rate)
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child->new_rate = child->ops->recalc_rate(child->hw, new_rate);
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else
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child->new_rate = new_rate;
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child->new_rate = clk_recalc(child, new_rate);
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clk_calc_subtree(child, child->new_rate, NULL, 0);
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}
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}
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@ -1524,10 +1522,7 @@ static void clk_change_rate(struct clk *clk)
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if (!skip_set_rate && clk->ops->set_rate)
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clk->ops->set_rate(clk->hw, clk->new_rate, best_parent_rate);
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if (clk->ops->recalc_rate)
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clk->rate = clk->ops->recalc_rate(clk->hw, best_parent_rate);
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else
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clk->rate = best_parent_rate;
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clk->rate = clk_recalc(clk, best_parent_rate);
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if (clk->notifier_count && old_rate != clk->rate)
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__clk_notify(clk, POST_RATE_CHANGE, old_rate, clk->rate);
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