eeprom: at24: Use dev_err_probe for nvmem register failure

When using nvmem layouts it is possible devm_nvmem_register returns
-EPROBE_DEFER, resulting in an 'empty' in
/sys/kernel/debug/devices_deferred. Use dev_err_probe for providing
additional information.

Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c
index 938c4f41b98c7a2eaacb88ab5fc287c99df07f56..5aae2f9bdd51cdb27e9571760ced38589efdf027 100644 (file)
--- a/drivers/misc/eeprom/at24.c
+++ b/drivers/misc/eeprom/at24.c
@@ -761,7 +761,8 @@ static int at24_probe(struct i2c_client *client)
                pm_runtime_disable(dev);
                if (!pm_runtime_status_suspended(dev))
                        regulator_disable(at24->vcc_reg);
-               return PTR_ERR(at24->nvmem);
+               return dev_err_probe(dev, PTR_ERR(at24->nvmem),
+                                    "failed to register nvmem\n");
        }
 
        /*