1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index beaa283f5cc6..0b0eef900cad 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -338,7 +338,8 @@ static int dw8250_runtime_suspend(struct device *dev)
 {
         struct dw8250_data *data = dev_get_drvdata(dev);
 
-        clk_disable_unprepare(data->clk);
+        if (!IS_ERR(data->clk))
+                clk_disable_unprepare(data->clk);
 
         return 0;
 }
@@ -347,7 +348,8 @@ static int dw8250_runtime_resume(struct device *dev)
 {
         struct dw8250_data *data = dev_get_drvdata(dev);
 
-        clk_prepare_enable(data->clk);
+        if (!IS_ERR(data->clk))
+                clk_prepare_enable(data->clk);
 
         return 0;
 }