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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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4
Documentation/i2c/smbus-protocol
View file

@ -137,8 +137,8 @@ available for writes where the two data bytes are the other way
around (not SMBus compliant, but very popular.)
SMBus Process Call: i2c_smbus_process_call()
=============================================
SMBus Process Call:
===================
This command selects a device register (through the Comm byte), sends
16 bits of data to it, and reads 16 bits of data in return.

4
Documentation/i2c/writing-clients
View file

@ -365,8 +365,6 @@ in terms of it. Never use this function directly!
s32 i2c_smbus_read_word_data(struct i2c_client *client, u8 command);
s32 i2c_smbus_write_word_data(struct i2c_client *client,
u8 command, u16 value);
s32 i2c_smbus_process_call(struct i2c_client *client,
u8 command, u16 value);
s32 i2c_smbus_read_block_data(struct i2c_client *client,
u8 command, u8 *values);
s32 i2c_smbus_write_block_data(struct i2c_client *client,
@ -381,6 +379,8 @@ These ones were removed from i2c-core because they had no users, but could
be added back later if needed:
s32 i2c_smbus_write_quick(struct i2c_client *client, u8 value);
s32 i2c_smbus_process_call(struct i2c_client *client,
u8 command, u16 value);
s32 i2c_smbus_block_process_call(struct i2c_client *client,
u8 command, u8 length, u8 *values);