OMAP3+: smartreflex: request the memory region

[pandora-kernel.git] / arch / arm / mach-omap2 / smartreflex.c

diff --git a/arch/arm/mach-omap2/smartreflex.c b/arch/arm/mach-omap2/smartreflex.c
index 8f674c9..703143a 100644 (file)
--- a/arch/arm/mach-omap2/smartreflex.c
+++ b/arch/arm/mach-omap2/smartreflex.c
@@ -247,7 +247,7 @@ static void sr_stop_vddautocomp(struct omap_sr *sr)
  * driver register and sr device intializtion API's. Only one call
  * will ultimately succeed.
  *
- * Currenly this function registers interrrupt handler for a particular SR
+ * Currently this function registers interrrupt handler for a particular SR
  * if smartreflex class driver is already registered and has
  * requested for interrupts and the SR interrupt line in present.
  */
@@ -847,6 +847,14 @@ static int __init omap_sr_probe(struct platform_device *pdev)
                goto err_free_devinfo;
        }
 
+       mem = request_mem_region(mem->start, resource_size(mem),
+                                       dev_name(&pdev->dev));
+       if (!mem) {
+               dev_err(&pdev->dev, "%s: no mem region\n", __func__);
+               ret = -EBUSY;
+               goto err_free_devinfo;
+       }
+
        irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
 
        pm_runtime_enable(&pdev->dev);
@@ -883,7 +891,7 @@ static int __init omap_sr_probe(struct platform_device *pdev)
                ret = sr_late_init(sr_info);
                if (ret) {
                        pr_warning("%s: Error in SR late init\n", __func__);
-                       goto err_release_region;
+                       return ret;
                }
        }