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@xxxxxxx>
Fixes: 57d155506dd5 ("eeprom: at24: extend driver to plug into the NVMEM framework")
Cc: Andrew Lunn <andrew@xxxxxxx>
Cc: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Bartosz Golaszewski <brgl@xxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
---
Note: This is only the 1st half of the fix, the nvmem core driver
also needs to be fixed.
Changes since V1:
* Split into 2 patches, one to the at24 driver and one to the nvmem
core.
drivers/misc/eeprom/at24.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- linux-5.1.orig/drivers/misc/eeprom/at24.c 2019-07-28 16:52:06.550918923 +0200
+++ linux-5.1/drivers/misc/eeprom/at24.c 2019-07-28 16:53:28.104167083 +0200
@@ -719,7 +719,7 @@ static int at24_probe(struct i2c_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 = !(flags & AT24_FLAG_IRUGO);
nvmem_config.owner = THIS_MODULE;
nvmem_config.compat = true;
nvmem_config.base_dev = dev;
--
Jean Delvare
SUSE L3 Support
