Commit d9406677 authored by Eddie James's avatar Eddie James Committed by Greg Kroah-Hartman
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eeprom: ee1004: Check chip before probing 



Like other eeprom drivers, check if the device is really there and
functional before probing.

Signed-off-by: default avatarEddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20250218220959.721698-1-eajames@linux.ibm.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 78c0a505

drivers/misc/eeprom/ee1004.c

+4 −0
Original line number Diff line number Diff line
@@ -304,6 +304,10 @@ static int ee1004_probe(struct i2c_client *client) 
				     I2C_FUNC_SMBUS_BYTE | I2C_FUNC_SMBUS_READ_BYTE_DATA))

		return -EPFNOSUPPORT;



	err = i2c_smbus_read_byte(client);

	if (err < 0)

		return -ENODEV;



	mutex_lock(&ee1004_bus_lock);



	err = ee1004_init_bus_data(client);