From d12cfac146d2b512496bf974b83ee1210032065f Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Fri, 31 Oct 2008 20:13:32 +0900 Subject: [PATCH] sh: enable and disable clocks recursively Recurse and make sure parent clocks get enabled/disabled. Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- arch/sh/kernel/cpu/clock.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c index b7e46d5bba43..717056b3d400 100644 --- a/arch/sh/kernel/cpu/clock.c +++ b/arch/sh/kernel/cpu/clock.c @@ -117,6 +117,11 @@ int clk_enable(struct clk *clk) unsigned long flags; int ret; + if (!clk) + return -EINVAL; + + clk_enable(clk->parent); + spin_lock_irqsave(&clock_lock, flags); ret = __clk_enable(clk); spin_unlock_irqrestore(&clock_lock, flags); @@ -147,9 +152,14 @@ void clk_disable(struct clk *clk) { unsigned long flags; + if (!clk) + return -EINVAL; + spin_lock_irqsave(&clock_lock, flags); __clk_disable(clk); spin_unlock_irqrestore(&clock_lock, flags); + + clk_disable(clk->parent); } EXPORT_SYMBOL_GPL(clk_disable); -- 2.39.5