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@xxxxxxxxxxxxxxx> --- drivers/misc/eeprom/at24.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c index 938c4f41b98c..5aae2f9bdd51 100644 --- 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"); } /* -- 2.34.1