From: Maxime Ripard Date: Tue, 24 Jan 2017 09:41:18 +0000 (+0100) Subject: clk: sunxi-ng: Call divider_round_rate if we only have a single parent X-Git-Tag: v4.11-rc1~71^2~12^2~9 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bf3be2caa593e1e35ff8d8d5b32c2c9a6a85e1d8;p=platform%2Fkernel%2Flinux-exynos.git clk: sunxi-ng: Call divider_round_rate if we only have a single parent The divider_get_val function that is used in our determine_rate callback doesn't try to change the parent rate at all, while clk_divider_bestdiv, used in divider_round_rate, does. If we have a single parent, call divider_round_rate. Signed-off-by: Maxime Ripard Acked-by: Stephen Boyd Acked-by: Chen-Yu Tsai --- diff --git a/drivers/clk/sunxi-ng/ccu_div.c b/drivers/clk/sunxi-ng/ccu_div.c index 8659b4c..4057e60 100644 --- a/drivers/clk/sunxi-ng/ccu_div.c +++ b/drivers/clk/sunxi-ng/ccu_div.c @@ -77,6 +77,18 @@ static int ccu_div_determine_rate(struct clk_hw *hw, { struct ccu_div *cd = hw_to_ccu_div(hw); + if (clk_hw_get_num_parents(hw) == 1) { + req->rate = divider_round_rate(hw, req->rate, + &req->best_parent_rate, + cd->div.table, + cd->div.width, + cd->div.flags); + + req->best_parent_hw = clk_hw_get_parent(hw); + + return 0; + } + return ccu_mux_helper_determine_rate(&cd->common, &cd->mux, req, ccu_div_round_rate, cd); }