msm: iommu: Discontinue use of clk_set_min_rate()

Support for the proprietary clk_set_min_rate() API is being removed from
the clock driver. Replace it with a clk_round_rate() and clk_set_rate().

Change-Id: Icd62a8768d99cf007cf899c705626f8eacbaa7c8
Signed-off-by: Matt Wagantall <mattw@codeaurora.org>
diff --git a/arch/arm/mach-msm/iommu_dev.c b/arch/arm/mach-msm/iommu_dev.c
index d1dd3ed..1982082 100644
--- a/arch/arm/mach-msm/iommu_dev.c
+++ b/arch/arm/mach-msm/iommu_dev.c
@@ -24,7 +24,6 @@
 
 #include <mach/iommu_hw-8xxx.h>
 #include <mach/iommu.h>
-#include <mach/clk.h>
 
 struct iommu_ctx_iter_data {
 	/* input */
@@ -164,8 +163,10 @@
 	iommu_clk = clk_get(&pdev->dev, "core_clk");
 
 	if (!IS_ERR(iommu_clk))	{
-		if (clk_get_rate(iommu_clk) == 0)
-			clk_set_min_rate(iommu_clk, 1);
+		if (clk_get_rate(iommu_clk) == 0) {
+			ret = clk_round_rate(iommu_clk, 1);
+			clk_set_rate(iommu_clk, ret);
+		}
 
 		ret = clk_enable(iommu_clk);
 		if (ret) {