From: Jean Delvare jdelvare@suse.de

The integration of the at24 driver into the nvmem framework broke the world-readability of spd EEPROMs. Fix it.

Signed-off-by: Jean Delvare jdelvare@suse.de Cc: stable@vger.kernel.org Fixes: 57d155506dd5 ("eeprom: at24: extend driver to plug into the NVMEM framework") Cc: Andrew Lunn andrew@lunn.ch Cc: Srinivas Kandagatla srinivas.kandagatla@linaro.org Cc: Greg Kroah-Hartman gregkh@linuxfoundation.org Cc: Bartosz Golaszewski brgl@bgdev.pl Cc: Arnd Bergmann arnd@arndb.de [Bartosz: backported to v4.19.y] Signed-off-by: Bartosz Golaszewski bgolaszewski@baylibre.com --- drivers/misc/eeprom/at24.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c index ddfcf4ade7bf..dc3537651b80 100644 --- a/drivers/misc/eeprom/at24.c +++ b/drivers/misc/eeprom/at24.c @@ -724,7 +724,7 @@ static int at24_probe(struct i2c_client *client) nvmem_config.name = dev_name(dev); nvmem_config.dev = dev; nvmem_config.read_only = !writable; - nvmem_config.root_only = true; + nvmem_config.root_only = !(pdata.flags & AT24_FLAG_IRUGO); nvmem_config.owner = THIS_MODULE; nvmem_config.compat = true; nvmem_config.base_dev = dev;