--- /dev/null
+From 25e5ef302c24a6fead369c0cfe88c073d7b97ca8 Mon Sep 17 00:00:00 2001
+From: Jean Delvare <jdelvare@suse.de>
+Date: Sun, 28 Jul 2019 18:41:38 +0200
+Subject: eeprom: at24: make spd world-readable again
+
+From: Jean Delvare <jdelvare@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 <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>
+Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
+[Bartosz: backported the patch to older branches]
+Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
+Signed-off-by: Greg Kroah-Hartman <gregkh@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;