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authorPaul Mundt <lethal@linux-sh.org>2009-05-12 03:45:08 +0900
committerPaul Mundt <lethal@linux-sh.org>2009-05-12 03:45:08 +0900
commitb68d8201433a91cabbcbeae48b53d8c1c426433a (patch)
treefed76b13249a01356509c0860260434216352f8c /arch/sh/kernel/cpu/clock.c
parentccc195655fb25d7d967b278c4a4725dc5e7a6bf4 (diff)
downloadblackbird-op-linux-b68d8201433a91cabbcbeae48b53d8c1c426433a.tar.gz
blackbird-op-linux-b68d8201433a91cabbcbeae48b53d8c1c426433a.zip
sh: clkfwk: Make recalc return an unsigned long.
This is prep work for cleaning up some of the rate propagation bits. Trivial conversion. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/kernel/cpu/clock.c')
-rw-r--r--arch/sh/kernel/cpu/clock.c35
1 files changed, 19 insertions, 16 deletions
diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c
index 133dbe403341..b022affb44cd 100644
--- a/arch/sh/kernel/cpu/clock.c
+++ b/arch/sh/kernel/cpu/clock.c
@@ -75,6 +75,7 @@ static struct clk *onchip_clocks[] = {
&cpu_clk,
};
+/* Propagate rate to children */
static void propagate_rate(struct clk *clk)
{
struct clk *clkp;
@@ -83,7 +84,7 @@ static void propagate_rate(struct clk *clk)
if (likely(clkp->parent != clk))
continue;
if (likely(clkp->ops && clkp->ops->recalc))
- clkp->ops->recalc(clkp);
+ clkp->rate = clkp->ops->recalc(clkp);
if (unlikely(clkp->flags & CLK_RATE_PROPAGATES))
propagate_rate(clkp);
}
@@ -240,7 +241,7 @@ void clk_recalc_rate(struct clk *clk)
unsigned long flags;
spin_lock_irqsave(&clock_lock, flags);
- clk->ops->recalc(clk);
+ clk->rate = clk->ops->recalc(clk);
spin_unlock_irqrestore(&clock_lock, flags);
}
@@ -377,20 +378,22 @@ static int clks_sysdev_suspend(struct sys_device *dev, pm_message_t state)
switch (state.event) {
case PM_EVENT_ON:
/* Resumeing from hibernation */
- if (prev_state.event == PM_EVENT_FREEZE) {
- list_for_each_entry(clkp, &clock_list, node)
- if (likely(clkp->ops)) {
- unsigned long rate = clkp->rate;
-
- if (likely(clkp->ops->set_parent))
- clkp->ops->set_parent(clkp,
- clkp->parent);
- if (likely(clkp->ops->set_rate))
- clkp->ops->set_rate(clkp,
- rate, NO_CHANGE);
- else if (likely(clkp->ops->recalc))
- clkp->ops->recalc(clkp);
- }
+ if (prev_state.event != PM_EVENT_FREEZE)
+ break;
+
+ list_for_each_entry(clkp, &clock_list, node) {
+ if (likely(clkp->ops)) {
+ unsigned long rate = clkp->rate;
+
+ if (likely(clkp->ops->set_parent))
+ clkp->ops->set_parent(clkp,
+ clkp->parent);
+ if (likely(clkp->ops->set_rate))
+ clkp->ops->set_rate(clkp,
+ rate, NO_CHANGE);
+ else if (likely(clkp->ops->recalc))
+ clkp->rate = clkp->ops->recalc(clkp);
+ }
}
break;
case PM_EVENT_FREEZE:
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