Merge branches 'pm-cpufreq', 'pm-cpuidle', 'pm-devfreq', 'pm-opp' and 'pm-tools'

[linux-drm-fsl-dcu.git] / drivers / of / platform.c

diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index 5b33c6a2180752888a36e7a15f81b81f29c8477a..b0d50d70a8a1d4772cae2075223959406059ea10 100644 (file)
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -188,7 +188,7 @@ static void of_dma_configure(struct device *dev)
                size = dev->coherent_dma_mask;
        } else {
                offset = PFN_DOWN(paddr - dma_addr);
-               dev_dbg(dev, "dma_pfn_offset(%#08lx)\n", dev->dma_pfn_offset);
+               dev_dbg(dev, "dma_pfn_offset(%#08lx)\n", offset);
        }
        dev->dma_pfn_offset = offset;
 
@@ -566,6 +566,10 @@ static int of_platform_notify(struct notifier_block *nb,
                if (!of_node_check_flag(rd->dn->parent, OF_POPULATED_BUS))
                        return NOTIFY_OK;       /* not for us */
 
+               /* already populated? (driver using of_populate manually) */
+               if (of_node_check_flag(rd->dn, OF_POPULATED))
+                       return NOTIFY_OK;
+
                /* pdev_parent may be NULL when no bus platform device */
                pdev_parent = of_find_device_by_node(rd->dn->parent);
                pdev = of_platform_device_create(rd->dn, NULL,
@@ -581,6 +585,11 @@ static int of_platform_notify(struct notifier_block *nb,
                break;
 
        case OF_RECONFIG_CHANGE_REMOVE:
+
+               /* already depopulated? */
+               if (!of_node_check_flag(rd->dn, OF_POPULATED))
+                       return NOTIFY_OK;
+
                /* find our device by node */
                pdev = of_find_device_by_node(rd->dn);
                if (pdev == NULL)