msm: add handling for clocks tagged as CLK_MINMAX

CLK_MINMAX is used to denote clocks that have a wide variation
in possible frequencies. This handling just sets the min and
max values to the same value.

Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/arch/arm/mach-msm/clock.c b/arch/arm/mach-msm/clock.c
index c57210f4f06a..2069bfaa3a26 100644
--- a/arch/arm/mach-msm/clock.c
+++ b/arch/arm/mach-msm/clock.c
@@ -120,6 +120,21 @@ EXPORT_SYMBOL(clk_get_rate);
 
 int clk_set_rate(struct clk *clk, unsigned long rate)
 {
+        int ret;
+        if (clk->flags & CLKFLAG_MAX) {
+                ret = clk->ops->set_max_rate(clk->id, rate);
+                if (ret)
+                        return ret;
+        }
+        if (clk->flags & CLKFLAG_MIN) {
+                ret = clk->ops->set_min_rate(clk->id, rate);
+                if (ret)
+                        return ret;
+        }
+
+        if (clk->flags & CLKFLAG_MAX || clk->flags & CLKFLAG_MIN)
+                return ret;
+
         return clk->ops->set_rate(clk->id, rate);
 }
 EXPORT_SYMBOL(clk_set_rate);