[PATCH 5/7] OMAP2/3 clock: add clock pre-rate-change notification

[Paul Walmsley <paul@pwsan.com>]

Call the clock notifiers immediately before changing the clock's rate or
parent.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
---
 arch/arm/mach-omap2/clock.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
index 843d1b5..2a024bf 100644
--- a/arch/arm/mach-omap2/clock.c
+++ b/arch/arm/mach-omap2/clock.c
@@ -802,6 +802,8 @@ int omap2_clk_set_rate(struct clk *clk, unsigned long rate)
 	pr_debug("clock: %s: set_rate from %ld Hz to %ld Hz\n", clk->name,
 		 clk->rate, rate);
 
+	omap_clk_notify_downstream(clk, CLK_PRE_RATE_CHANGE);
+
 	ret = clk->set_rate(clk, rate);
 
 	temp_rate = clk->rate;
@@ -868,6 +870,8 @@ int omap2_clk_set_parent(struct clk *clk, struct clk *new_parent)
 		propagate_rate(clk, TEMP_RATE);
 	}
 
+	omap_clk_notify_downstream(clk, CLK_PRE_RATE_CHANGE);
+
 	if (clk->usecount > 0)
 		_omap2_clk_disable(clk);