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Commit a68bb72b authored by Kyle Yan's avatar Kyle Yan Committed by Gerrit - the friendly Code Review server
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Merge "clk: qcom: Add support for RCGs with dynamic and fixed sources" into msm-4.9

parents eacd30fc 2a0985ef

drivers/clk/qcom/clk-rcg.h

+1 −0
Original line number Diff line number Diff line
@@ -24,6 +24,7 @@ struct freq_tbl { 
	u16 m;

	u16 n;

	unsigned long src_freq;

#define FIXED_FREQ_SRC   0

};



/**

drivers/clk/qcom/clk-rcg2.c

+17 −1
Original line number Diff line number Diff line
@@ -226,9 +226,10 @@ static int _freq_tbl_determine_rate(struct clk_hw *hw, 
		const struct freq_tbl *f, struct clk_rate_request *req)

{

	unsigned long clk_flags, rate = req->rate;

	struct clk_rate_request parent_req = { };

	struct clk_hw *p;

	struct clk_rcg2 *rcg = to_clk_rcg2(hw);

	int index;

	int index, ret = 0;



	f = qcom_find_freq(f, rate);

	if (!f)
@@ -259,6 +260,21 @@ static int _freq_tbl_determine_rate(struct clk_hw *hw, 
	req->best_parent_rate = rate;

	req->rate = f->freq;



	if (f->src_freq != FIXED_FREQ_SRC) {

		rate = parent_req.rate = f->src_freq;

		parent_req.best_parent_hw = p;

		ret = __clk_determine_rate(p, &parent_req);

		if (ret)

			return ret;



		ret = clk_set_rate(p->clk, parent_req.rate);

		if (ret) {

			pr_err("Failed set rate(%lu) on parent for non-fixed source\n",

							parent_req.rate);

			return ret;

		}

	}



	return 0;

}