Use dev_is_platform()/dev_is_amba() instead of checking bus type directly.

Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
---
 drivers/of/platform.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index 9bafcff3e628..1937cbef55ee 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -619,10 +619,10 @@ int of_platform_device_destroy(struct device *dev, void *data)
 	of_node_clear_flag(dev->of_node, OF_POPULATED);
 	of_node_clear_flag(dev->of_node, OF_POPULATED_BUS);
 
-	if (dev->bus == &platform_bus_type)
+	if (dev_is_platform(dev))
 		platform_device_unregister(to_platform_device(dev));
 #ifdef CONFIG_ARM_AMBA
-	else if (dev->bus == &amba_bustype)
+	else if (dev_is_amba(dev))
 		amba_device_unregister(to_amba_device(dev));
 #endif
 
-- 
2.43.0