From: Stuart Menefy <stuart.menefy@st.com>
Date: Fri, 28 Sep 2007 02:51:52 +0000 (+0900)
Subject: sh: clkfwk: Support multi-level clock propagation.
X-Git-Tag: firefly_0821_release~25993^2~15
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=24eb17e0813490497f4d5b2fad218bdba402cece;p=firefly-linux-kernel-4.4.55.git

sh: clkfwk: Support multi-level clock propagation.

Currently clock propagation only works for one level, but we have some
clocks which need to propagate multiple levels, so make this recursive.

Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---

diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c
index 92807ffa8e20..b5f1e23ed57c 100644
--- a/arch/sh/kernel/cpu/clock.c
+++ b/arch/sh/kernel/cpu/clock.c
@@ -83,6 +83,8 @@ static void propagate_rate(struct clk *clk)
 			continue;
 		if (likely(clkp->ops && clkp->ops->recalc))
 			clkp->ops->recalc(clkp);
+		if (unlikely(clkp->flags & CLK_RATE_PROPAGATES))
+			propagate_rate(clkp);
 	}
 }