msm: clock: Use CLKFLAG_NO_RATE_CACHE in clk_set_parent
Some use cases involve the rate of a parent changing
from under a child. Therefore the set_parent op needs
a chance to update the rate field. Use the
CLKFLAG_NO_RATE_CACHE to allow the clk_set_parent to
go through to the set_parent op.
Change-Id: Icaf48915322539c84ef522621e35dafebe08b23b
Signed-off-by: Vikram Mulukutla <markivx@codeaurora.org>
diff --git a/arch/arm/mach-msm/clock.c b/arch/arm/mach-msm/clock.c
index e3c11c5..6063302 100644
--- a/arch/arm/mach-msm/clock.c
+++ b/arch/arm/mach-msm/clock.c
@@ -557,7 +557,7 @@
return -ENOSYS;
mutex_lock(&clk->prepare_lock);
- if (clk->parent == parent)
+ if (clk->parent == parent && !(clk->flags & CLKFLAG_NO_RATE_CACHE))
goto out;
rc = clk->ops->set_parent(clk, parent);
if (!rc)