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i2c: core: Remove definition of i2c_smbus_process_call

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i2c_smbus_process_call has no users in the kernel, so this can be
removed. Documentation for the same has been updated accordingly.

Fixes following sparse warning.
drivers/i2c/i2c-core.c:1871:5: warning: symbol 'i2c_smbus_process_call'
was not declared. Should it be static?

[wsa: updated the documentation]

Signed-off-by: Tushar Behera <[email protected]>
Signed-off-by: Wolfram Sang <[email protected]>
This commit is contained in:
Tushar Behera 2012-11-19 16:31:42 +05:30 • committed by Wolfram Sang
commit c811093320
3 changed files with 4 additions and 27 deletions
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23
drivers/i2c/i2c-core.c
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@ -1865,29 +1865,6 @@ s32 i2c_smbus_write_word_data(const struct i2c_client *client, u8 command,
}
EXPORT_SYMBOL(i2c_smbus_write_word_data);
/**
* i2c_smbus_process_call - SMBus "process call" protocol
* @client: Handle to slave device
* @command: Byte interpreted by slave
* @value: 16-bit "word" being written
*
* This executes the SMBus "process call" protocol, returning negative errno
* else a 16-bit unsigned "word" received from the device.
*/
s32 i2c_smbus_process_call(const struct i2c_client *client, u8 command,
u16 value)
{
union i2c_smbus_data data;
int status;
data.word = value;
status = i2c_smbus_xfer(client->adapter, client->addr, client->flags,
I2C_SMBUS_WRITE, command,
I2C_SMBUS_PROC_CALL, &data);
return (status < 0) ? status : data.word;
}
EXPORT_SYMBOL(i2c_smbus_process_call);
/**
* i2c_smbus_read_block_data - SMBus "block read" protocol
* @client: Handle to slave device