If the CLK_SET_RATE_PARENT flag is set, we want to try getting the
closest parent rate.
Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx>
---
drivers/clk/sunxi-ng/ccu_mux.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/clk/sunxi-ng/ccu_mux.c b/drivers/clk/sunxi-ng/ccu_mux.c
index d0d69c7eb516..c6bb1f523232 100644
--- a/drivers/clk/sunxi-ng/ccu_mux.c
+++ b/drivers/clk/sunxi-ng/ccu_mux.c
@@ -93,7 +93,18 @@ int ccu_mux_helper_determine_rate(struct ccu_common *common,
if (!parent)
continue;
- parent_rate = clk_hw_get_rate(parent);
+ if (clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT) {
+ struct clk_rate_request parent_req = *req;
+ int ret = __clk_determine_rate(parent, &parent_req);
+
+ if (ret)
+ continue;
+
+ parent_rate = parent_req.rate;
+ } else {
+ parent_rate = clk_hw_get_rate(parent);
+ }
+
adj_parent_rate = parent_rate;
ccu_mux_helper_adjust_parent_for_prediv(common, cm, i,
&adj_parent_rate);
--
2.11.0
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