From: Jean Delvare <[email protected]> commit 25e5ef302c24a6fead369c0cfe88c073d7b97ca8 upstream.
The integration of the at24 driver into the nvmem framework broke the world-readability of spd EEPROMs. Fix it. Signed-off-by: Jean Delvare <[email protected]> Cc: [email protected] Fixes: 57d155506dd5 ("eeprom: at24: extend driver to plug into the NVMEM framework") Cc: Andrew Lunn <[email protected]> Cc: Srinivas Kandagatla <[email protected]> Cc: Greg Kroah-Hartman <[email protected]> Cc: Bartosz Golaszewski <[email protected]> Cc: Arnd Bergmann <[email protected]> Signed-off-by: Bartosz Golaszewski <[email protected]> [Bartosz: backported the patch to older branches] Signed-off-by: Bartosz Golaszewski <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/misc/eeprom/at24.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/misc/eeprom/at24.c +++ b/drivers/misc/eeprom/at24.c @@ -777,7 +777,7 @@ static int at24_probe(struct i2c_client at24->nvmem_config.name = dev_name(&client->dev); at24->nvmem_config.dev = &client->dev; at24->nvmem_config.read_only = !writable; - at24->nvmem_config.root_only = true; + at24->nvmem_config.root_only = !(chip.flags & AT24_FLAG_IRUGO); at24->nvmem_config.owner = THIS_MODULE; at24->nvmem_config.compat = true; at24->nvmem_config.base_dev = &client->dev;
