+static int __enable_clocks(struct msm_iommu_drvdata *drvdata)
+{
+ int ret;
+
+ ret = clk_enable(drvdata->pclk);
+ if (ret)
+ goto fail;
+
+ if (drvdata->clk) {
+ ret = clk_enable(drvdata->clk);
+ if (ret)
+ clk_disable(drvdata->pclk);
+ }
+fail:
+ return ret;
+}
+
+static void __disable_clocks(struct msm_iommu_drvdata *drvdata)
+{
+ if (drvdata->clk)
+ clk_disable(drvdata->clk);
+ clk_disable(drvdata->pclk);
+}
+