i2c: rcar: enable RuntimePM before registering to the core

The core may register clients attached to this master which may use
funtionality from the master. So, RuntimePM must be enabled before, otherwise
this will fail. While here, move drvdata, too.

Reported-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org

diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c
index d8361da..d8b5a8f 100644 (file)
--- a/drivers/i2c/busses/i2c-rcar.c
+++ b/drivers/i2c/busses/i2c-rcar.c
@@ -690,15 +690,16 @@ static int rcar_i2c_probe(struct platform_device *pdev)
                return ret;
        }
 
+       pm_runtime_enable(dev);
+       platform_set_drvdata(pdev, priv);
+
        ret = i2c_add_numbered_adapter(adap);
        if (ret < 0) {
                dev_err(dev, "reg adap failed: %d\n", ret);
+               pm_runtime_disable(dev);
                return ret;
        }
 
-       pm_runtime_enable(dev);
-       platform_set_drvdata(pdev, priv);
-
        dev_info(dev, "probed\n");
 
        return 0;