msm: clock: Migrate to prepare()/unprepare() APIs

Replace calls to clk_enable()/clk_disable() with calls to
clk_prepare_enable()/clk_unprepare_disable(). This is safe to do
because all these calls are made from non-atomic context.

Change-Id: I8bbb2c5df9a23796b808d4f882ffdb04319477ea
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
diff --git a/arch/arm/mach-msm/clock-7x30.c b/arch/arm/mach-msm/clock-7x30.c
index 24a676f..a2882a5 100644
--- a/arch/arm/mach-msm/clock-7x30.c
+++ b/arch/arm/mach-msm/clock-7x30.c
@@ -2598,7 +2598,7 @@
 	u64 raw_count_short, raw_count_full;
 	unsigned ret;
 
-	clk_enable(&tcxo_clk.c);
+	clk_prepare_enable(&tcxo_clk.c);
 
 	spin_lock_irqsave(&local_clock_reg_lock, flags);
 
@@ -2634,7 +2634,7 @@
 		ret = raw_count_full;
 	}
 
-	clk_disable(&tcxo_clk.c);
+	clk_disable_unprepare(&tcxo_clk.c);
 
 	return ret;
 }