From 52585ccd93d75e368382af09ae336ed8f231642c Mon Sep 17 00:00:00 2001 From: Haojian Zhuang Date: Fri, 8 Apr 2011 20:15:38 +0800 Subject: ARM: pxa: add clk_set_rate() Since there're mulitple clock rates in some device controllers, enable clk_set_rate() for this usage. Signed-off-by: Haojian Zhuang Signed-off-by: Eric Miao --- arch/arm/mach-pxa/clock.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'arch/arm/mach-pxa/clock.c') diff --git a/arch/arm/mach-pxa/clock.c b/arch/arm/mach-pxa/clock.c index d5152220ce9..4d466102a02 100644 --- a/arch/arm/mach-pxa/clock.c +++ b/arch/arm/mach-pxa/clock.c @@ -53,6 +53,21 @@ unsigned long clk_get_rate(struct clk *clk) } EXPORT_SYMBOL(clk_get_rate); +int clk_set_rate(struct clk *clk, unsigned long rate) +{ + unsigned long flags; + int ret = -EINVAL; + + if (clk->ops->setrate) { + spin_lock_irqsave(&clocks_lock, flags); + ret = clk->ops->setrate(clk, rate); + spin_unlock_irqrestore(&clocks_lock, flags); + } + + return ret; +} +EXPORT_SYMBOL(clk_set_rate); + void clk_dummy_enable(struct clk *clk) { } -- cgit v1.2.3-18-g5258