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i2c: use macro IS_ENABLED in header i2c.h

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Using the macro IS_ENABLED to check the option CONFIG_I2C=(y|m) makes
the code nicer.  No functional change.

Signed-off-by: Stefan Lengfeld <contact@stefanchrist.eu>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Stefan Lengfeld 2017-11-01 21:06:41 +01:00 committed by Wolfram Sang
parent 43df43e6ba
commit 901a891fa6
1 changed files with 3 additions and 3 deletions
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6
include/linux/i2c.h
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@ -55,7 +55,7 @@ typedef int (*i2c_slave_cb_t)(struct i2c_client *, enum i2c_slave_event, u8 *);
struct module;
struct property_entry;
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
#if IS_ENABLED(CONFIG_I2C)
/*
* The master routines are the ones normally used to transmit data to devices
* on a bus (or read from them). Apart from two basic transfer functions to
@ -354,7 +354,7 @@ struct i2c_board_info {
.type = dev_type, .addr = (dev_addr)
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
#if IS_ENABLED(CONFIG_I2C)
/* Add-on boards should register/unregister their devices; e.g. a board
* with integrated I2C, a config eeprom, sensors, and a codec that's
* used in conjunction with the primary hardware.
@ -706,7 +706,7 @@ i2c_unlock_adapter(struct i2c_adapter *adapter)
/* administration...
*/
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
#if IS_ENABLED(CONFIG_I2C)
extern int i2c_add_adapter(struct i2c_adapter *);
extern void i2c_del_adapter(struct i2c_adapter *);
extern int i2c_add_numbered_adapter(struct i2c_adapter *);