lwn.git/drivers/i2c/chips/eeprom.c, branch v3.1.3

i2c: Move old eeprom driver to /drivers/misc/eeprom

2009-01-26T20:19:53+00:00

Update Kconfig text to specify this driver as I2C. Signed-off-by: Wolfram Sang Signed-off-by: Jean Delvare

i2c: Convert the eeprom driver to a new-style i2c driver

2008-07-16T17:30:05+00:00

The new-style eeprom driver implements the optional detect() callback to cover the use cases of the legacy driver. Signed-off-by: Jean Delvare

i2c: Clean up old chip drivers

2008-07-14T20:38:36+00:00

Clean up old i2c chip drivers: * Name the i2c_client "client" instead of "new_client". * Drop useless initializations to 0. Signed-off-by: Jean Delvare

i2c: Drop stray references to lm_sensors

2008-07-14T20:38:34+00:00

Signed-off-by: Jean Delvare

i2c/eeprom: Fall back to SMBus read word transactions

2008-07-14T20:38:29+00:00

When I2C block reads are not supported by the underlying adapter, use SMBus read word transactions instead of consecutive byte reads. Reasons for this change are: * The consecutive byte read approach is not safe on multi-master buses. * While consecutive byte reads have less overhead if you only count the bytes on the bus, it takes more than twice as many transactions as with SMBus read word transactions, and each transaction has a cost: taking and releasing the adapter mutex, and for polling drivers, waiting for the transaction to complete. This change yields a significant performance boost at HZ=250 with EEPROMs on an Intel 82801 bus (basically twice as fast.) SMBus read word transactions are widely supported so I don't expect compatibility issues. Signed-off-by: Jean Delvare

i2c/eeprom: Only probe buses with DDC or SPD class

2008-07-14T20:38:29+00:00

The eeprom driver shouldn't probe i2c buses which don't want to be probed. Signed-off-by: Jean Delvare

hwmon: Discard useless I2C driver IDs

2008-02-08T01:39:44+00:00

Many I2C hwmon drivers define a driver ID but no other code references these, meaning that they are useless. Discard them, along with a few IDs which are defined but never used at all. Signed-off-by: Jean Delvare Signed-off-by: Mark M. Hoffman

i2c: normal_i2c can be made const (remaining drivers)

2008-01-27T17:14:47+00:00

Signed-off-by: Jean Delvare

i2c/eeprom: Recognize VGN as a valid Sony Vaio name prefix

2007-11-15T18:24:03+00:00

Recent (i.e. 2005 and later) Sony Vaio laptops have names beginning with VGN rather than PCG. Update the eeprom driver so that it recognizes these. Signed-off-by: Jean Delvare

i2c/eeprom: Hide Sony Vaio serial numbers

2007-11-15T18:24:03+00:00

The sysfs interface to DMI data takes care to not make the system serial number and UUID world-readable, presumably due to privacy concerns. For consistency, we should not let the eeprom driver export these same strings to the world on Sony Vaio laptops. Instead, only make them readable by root, as we already do for BIOS passwords. Signed-off-by: Jean Delvare