i2c: i2c-mux-pinctrl: use deferred probe when adapter not found

If it is not there yet, it might appear later.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

diff --git a/drivers/i2c/muxes/i2c-mux-pinctrl.c b/drivers/i2c/muxes/i2c-mux-pinctrl.c
index 69a9173..68a3715 100644 (file)
--- a/drivers/i2c/muxes/i2c-mux-pinctrl.c
+++ b/drivers/i2c/muxes/i2c-mux-pinctrl.c
@@ -113,7 +113,7 @@ static int i2c_mux_pinctrl_parse_dt(struct i2c_mux_pinctrl *mux,
        adapter = of_find_i2c_adapter_by_node(adapter_np);
        if (!adapter) {
                dev_err(mux->dev, "Cannot find parent bus\n");
-               return -ENODEV;
+               return -EPROBE_DEFER;
        }
        mux->pdata->parent_bus_num = i2c_adapter_id(adapter);
        put_device(&adapter->dev);
@@ -211,7 +211,7 @@ static int i2c_mux_pinctrl_probe(struct platform_device *pdev)
        if (!mux->parent) {
                dev_err(&pdev->dev, "Parent adapter (%d) not found\n",
                        mux->pdata->parent_bus_num);
-               ret = -ENODEV;
+               ret = -EPROBE_DEFER;
                goto err;
        }