From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jean Delvare Subject: [PATCH v2 1/2] eeprom: at24: make spd world-readable again Date: Sun, 28 Jul 2019 18:41:38 +0200 Message-ID: <20190728184138.78afc30f@endymion> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Sender: linux-kernel-owner@vger.kernel.org To: Linux I2C Cc: Andrew Lunn , Srinivas Kandagatla , Greg Kroah-Hartman , Bartosz Golaszewski , Arnd Bergmann , LKML List-Id: linux-i2c@vger.kernel.org The integration of the at24 driver into the nvmem framework broke the world-readability of spd EEPROMs. Fix it. Signed-off-by: Jean Delvare Fixes: 57d155506dd5 ("eeprom: at24: extend driver to plug into the NVMEM framework") Cc: Andrew Lunn Cc: Srinivas Kandagatla Cc: Greg Kroah-Hartman Cc: Bartosz Golaszewski Cc: Arnd Bergmann --- 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