i2c: i2c-arb-gpio-challenge: 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-arb-gpio-challenge.c b/drivers/i2c/muxes/i2c-arb-gpio-challenge.c
index 74b41ae690f3e6dab7271319ed62c436ac30935a..928656e241ddc0873613dd7a5b786be4f0e5250e 100644 (file)
--- a/drivers/i2c/muxes/i2c-arb-gpio-challenge.c
+++ b/drivers/i2c/muxes/i2c-arb-gpio-challenge.c
@@ -200,7 +200,7 @@ static int i2c_arbitrator_probe(struct platform_device *pdev)
        arb->parent = of_find_i2c_adapter_by_node(parent_np);
        if (!arb->parent) {
                dev_err(dev, "Cannot find parent bus\n");
-               return -EINVAL;
+               return -EPROBE_DEFER;
        }
 
        /* Actually add the mux adapter */