i2c: return probe deferred status on dev_pm_domain_attach

A change of return status was introduced in commit 3fffd1283927
("i2c: allow specifying separate wakeup interrupt in device tree")

The commit prevents the defer status being passed up the call stack
appropriately when dev_pm_domain_attach returns -EPROBE_DEFER.

Catch the PROBE_DEFER and clear up the IRQ wakeup status

Signed-off-by: Kieran Bingham <kieranbingham@gmail.com>
Fixes: 3fffd1283927 ("i2c: allow specifying separate wakeup interrupt in device tree")
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 5f89f1e..a59c311 100644 (file)
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -694,12 +694,12 @@ static int i2c_device_probe(struct device *dev)
                goto err_clear_wakeup_irq;
 
        status = dev_pm_domain_attach(&client->dev, true);
-       if (status != -EPROBE_DEFER) {
-               status = driver->probe(client, i2c_match_id(driver->id_table,
-                                       client));
-               if (status)
-                       goto err_detach_pm_domain;
-       }
+       if (status == -EPROBE_DEFER)
+               goto err_clear_wakeup_irq;
+
+       status = driver->probe(client, i2c_match_id(driver->id_table, client));
+       if (status)
+               goto err_detach_pm_domain;
 
        return 0;