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Subject[PATCH 4.19 69/74] eeprom: at24: make spd world-readable again
Date
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 to v4.19.y]
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
@@ -724,7 +724,7 @@ 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 = !(pdata.flags & AT24_FLAG_IRUGO);
nvmem_config.owner = THIS_MODULE;
nvmem_config.compat = true;
nvmem_config.base_dev = dev;

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