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clk: sunxi-ng: Pass the parent and a pointer to the clocks round rate

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The clocks might need to modify their parent clocks. In order to make that
possible, give them access to the parent clock being evaluated, and to a
pointer to the parent rate so that they can modify it if needed.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
This commit is contained in:
Maxime Ripard
2017-05-17 09:40:31 +02:00
parent 22833a9165
commit 10a8d9b906
6 changed files with 25 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/clk/sunxi-ng/ccu_mux.c
+5 -3
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@@ -61,7 +61,8 @@ int ccu_mux_helper_determine_rate(struct ccu_common *common,
struct ccu_mux_internal *cm,
struct clk_rate_request *req,
unsigned long (*round)(struct ccu_mux_internal *,
unsigned long,
struct clk_hw *,
unsigned long *,
unsigned long,
void *),
void *data)
@@ -80,7 +81,8 @@ int ccu_mux_helper_determine_rate(struct ccu_common *common,
ccu_mux_helper_adjust_parent_for_prediv(common, cm, -1,
&adj_parent_rate);
best_rate = round(cm, adj_parent_rate, req->rate, data);
best_rate = round(cm, best_parent, &adj_parent_rate,
req->rate, data);
goto out;
}
@@ -109,7 +111,7 @@ int ccu_mux_helper_determine_rate(struct ccu_common *common,
ccu_mux_helper_adjust_parent_for_prediv(common, cm, i,
&adj_parent_rate);
tmp_rate = round(cm, adj_parent_rate, req->rate, data);
tmp_rate = round(cm, parent, &adj_parent_rate, req->rate, data);
if (tmp_rate == req->rate) {
best_parent = parent;
best_parent_rate = parent_rate;