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| author | Jean Delvare <khali@linux-fr.org> | 2004-11-18 17:13:45 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <greg@kroah.com> | 2004-11-18 17:13:45 -0800 |
| commit | cc6e9aea99962ab71f60fcc63adc5496d49d6234 (patch) | |
| tree | 5a0b239957c9e65ee01196a9deaf7d58bd137792 /Documentation | |
| parent | 335b5e1fccc5b9350601a6c43fd7b0bd72e35bc3 (diff) | |
| download | history-cc6e9aea99962ab71f60fcc63adc5496d49d6234.tar.gz | |
[PATCH] I2C: Cleanups to the recent smbus functions removal
This patch cleans up the recent removal of smbus functions proposed by
Arjan and then fixed by Gabriel. Changes are as follow:
1* Discard i2c_smbus_block_process_call, as it isn't used anywhere
either. I guess that Arjan missed it because it wasn't exported.
2* Document the functions removal, so that people have at least an idea
that the functions can be restored later if needed.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/i2c/writing-clients | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/Documentation/i2c/writing-clients b/Documentation/i2c/writing-clients index b182423fdbb6f6..011e92094c028d 100644 --- a/Documentation/i2c/writing-clients +++ b/Documentation/i2c/writing-clients @@ -676,14 +676,26 @@ SMBus communication extern s32 i2c_smbus_read_word_data(struct i2c_client * client, u8 command); extern s32 i2c_smbus_write_word_data(struct i2c_client * client, u8 command, u16 value); - extern s32 i2c_smbus_process_call(struct i2c_client * client, - u8 command, u16 value); - extern s32 i2c_smbus_read_block_data(struct i2c_client * client, - u8 command, u8 *values); extern s32 i2c_smbus_write_block_data(struct i2c_client * client, u8 command, u8 length, u8 *values); +These ones were removed in Linux 2.6.10 because they had no users, but could +be added back later if needed: + + extern s32 i2c_smbus_read_i2c_block_data(struct i2c_client * client, + u8 command, u8 *values); + extern s32 i2c_smbus_read_block_data(struct i2c_client * client, + u8 command, u8 *values); + extern s32 i2c_smbus_write_i2c_block_data(struct i2c_client * client, + u8 command, u8 length, + u8 *values); + extern s32 i2c_smbus_process_call(struct i2c_client * client, + u8 command, u16 value); + extern s32 i2c_smbus_block_process_call(struct i2c_client *client, + u8 command, u8 length, + u8 *values) + All these transactions return -1 on failure. The 'write' transactions return 0 on success; the 'read' transactions return the read value, except for read_block, which returns the number of values read. The block buffers |