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Commit 901a891f authored by Stefan Lengfeld's avatar Stefan Lengfeld Committed by Wolfram Sang
Browse files

i2c: use macro IS_ENABLED in header i2c.h 



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

Signed-off-by: default avatarStefan Lengfeld <contact@stefanchrist.eu>
Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
parent 43df43e6

include/linux/i2c.h

+3 −3
Original line number Diff line number Diff line
@@ -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 *);