This is a note to let you know that I've just added the patch titled eeprom: at24: Use dev_err_probe for nvmem register failure to the 5.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: eeprom-at24-use-dev_err_probe-for-nvmem-register-fai.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 5f8813c15d4781a4ed4ba66c13f804e69ba92c33 Author: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx> Date: Tue May 16 10:05:53 2023 +0200 eeprom: at24: Use dev_err_probe for nvmem register failure [ Upstream commit a3c10035d12f5ec10915d5c00c2e8f7d7c066182 ] 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> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx> Stable-dep-of: f42c97027fb7 ("eeprom: at24: fix memory corruption race condition") Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c index 305ffad131a29..b100bbc888668 100644 --- a/drivers/misc/eeprom/at24.c +++ b/drivers/misc/eeprom/at24.c @@ -762,7 +762,8 @@ 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"); } /*