From: Jean Delvare <jdelv...@suse.de>
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 <jdelv...@suse.de>
Cc: sta...@vger.kernel.org
Fixes: 57d155506dd5 ("eeprom: at24: extend driver to plug into the NVMEM
framework")
Cc: Andrew Lunn <and...@lunn.ch>
Cc: Srinivas Kandagatla <srinivas.kandaga...@linaro.org>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
Cc: Bartosz Golaszewski <b...@bgdev.pl>
Cc: Arnd Bergmann <a...@arndb.de>
Signed-off-by: Bartosz Golaszewski <bgolaszew...@baylibre.com>
[Bartosz: backported the patch to older branches]
Signed-off-by: Bartosz Golaszewski <bgolaszew...@baylibre.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
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
@@ -834,7 +834,7 @@ 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;
