diff options
Diffstat (limited to 'drivers/i2c/chips/eeprom.c')
| -rw-r--r-- | drivers/i2c/chips/eeprom.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/i2c/chips/eeprom.c b/drivers/i2c/chips/eeprom.c index cbdfa2db6f7..a2da31b0dd7 100644 --- a/drivers/i2c/chips/eeprom.c +++ b/drivers/i2c/chips/eeprom.c @@ -26,7 +26,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/module.h> @@ -164,6 +163,11 @@ int eeprom_detect(struct i2c_adapter *adapter, int address, int kind) struct eeprom_data *data; int err = 0; + /* prevent 24RF08 corruption */ + if (kind < 0) + i2c_smbus_xfer(adapter, address, 0, 0, 0, + I2C_SMBUS_QUICK, NULL); + /* There are three ways we can read the EEPROM data: (1) I2C block reads (faster, but unsupported by most adapters) (2) Consecutive byte reads (100% overhead) @@ -174,9 +178,6 @@ int eeprom_detect(struct i2c_adapter *adapter, int address, int kind) | I2C_FUNC_SMBUS_BYTE)) goto exit; - /* OK. For now, we presume we have a valid client. We now create the - client structure, even though we cannot fill it completely yet. - But it allows us to access eeprom_{read,write}_value. */ if (!(data = kmalloc(sizeof(struct eeprom_data), GFP_KERNEL))) { err = -ENOMEM; goto exit; @@ -191,9 +192,6 @@ int eeprom_detect(struct i2c_adapter *adapter, int address, int kind) new_client->driver = &eeprom_driver; new_client->flags = 0; - /* prevent 24RF08 corruption */ - i2c_smbus_write_quick(new_client, 0); - /* Fill in the remaining client fields */ strlcpy(new_client->name, "eeprom", I2C_NAME_SIZE); data->valid = 0; |