Commit 0e1c0301 authored Apr 11, 2012 by Viresh Kumar Committed by Mike Turquette May 01, 2012

clk: clk_set_rate() must fail if CLK_SET_RATE_GATE is set and clk is enabled



This is well documented but isn't implemented. clk_set_rate() must check if
flags have CLK_SET_RATE_GATE bit set and is enabled too.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>

parent 0197b3ea

drivers/clk/clk.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -900,6 +900,11 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
		if (rate == clk->rate)
		goto out;

		if ((clk->flags & CLK_SET_RATE_GATE) && __clk_is_enabled(clk)) {
		ret = -EBUSY;
		goto out;
		}

		/* calculate new rates and get the topmost changed clock */
		top = clk_calc_new_rates(clk, rate);
		if (!top) {