ARM: 7366/3: amba: Remove AMBA level regulator support

[linux-flexiantxendom0-3.2.10.git] / drivers / amba / bus.c

diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c
index 01c2cf4..cc27322 100644 (file)
--- a/drivers/amba/bus.c
+++ b/drivers/amba/bus.c
@@ -247,8 +247,7 @@ static int amba_pm_restore(struct device *dev)
 /*
  * Hooks to provide runtime PM of the pclk (bus clock).  It is safe to
  * enable/disable the bus clock at runtime PM suspend/resume as this
- * does not result in loss of context.  However, disabling vcore power
- * would do, so we leave that to the driver.
+ * does not result in loss of context.
  */
 static int amba_pm_runtime_suspend(struct device *dev)
 {
@@ -354,39 +353,6 @@ static void amba_put_disable_pclk(struct amba_device *pcdev)
        clk_put(pclk);
 }
 
-static int amba_get_enable_vcore(struct amba_device *pcdev)
-{
-       struct regulator *vcore = regulator_get(&pcdev->dev, "vcore");
-       int ret;
-
-       pcdev->vcore = vcore;
-
-       if (IS_ERR(vcore)) {
-               /* It is OK not to supply a vcore regulator */
-               if (PTR_ERR(vcore) == -ENODEV)
-                       return 0;
-               return PTR_ERR(vcore);
-       }
-
-       ret = regulator_enable(vcore);
-       if (ret) {
-               regulator_put(vcore);
-               pcdev->vcore = ERR_PTR(-ENODEV);
-       }
-
-       return ret;
-}
-
-static void amba_put_disable_vcore(struct amba_device *pcdev)
-{
-       struct regulator *vcore = pcdev->vcore;
-
-       if (!IS_ERR(vcore)) {
-               regulator_disable(vcore);
-               regulator_put(vcore);
-       }
-}
-
 /*
  * These are the device model conversion veneers; they convert the
  * device model structures to our more specific structures.
@@ -399,10 +365,6 @@ static int amba_probe(struct device *dev)
        int ret;
 
        do {
-               ret = amba_get_enable_vcore(pcdev);
-               if (ret)
-                       break;
-
                ret = amba_get_enable_pclk(pcdev);
                if (ret)
                        break;
@@ -420,7 +382,6 @@ static int amba_probe(struct device *dev)
                pm_runtime_put_noidle(dev);
 
                amba_put_disable_pclk(pcdev);
-               amba_put_disable_vcore(pcdev);
        } while (0);
 
        return ret;
@@ -442,7 +403,6 @@ static int amba_remove(struct device *dev)
        pm_runtime_put_noidle(dev);
 
        amba_put_disable_pclk(pcdev);
-       amba_put_disable_vcore(pcdev);
 
        return ret;
 }