[PATCH][v4.19.y] eeprom: at24: make spd world-readable again

[PATCH][v4.19.y] eeprom: at24: make spd world-readable again

[Bartosz Golaszewski]

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;
-- 
2.21.0