From cd7b4e82a2969e3db4f9b7b902191a10661409bd Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Tue, 25 Oct 2011 11:40:57 +0200 Subject: [PATCH] GCC4.6: Squash warning in cmd_date.c MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit cmd_date.c: In function ‘do_date’: cmd_date.c:50:6: warning: variable ‘old_bus’ set but not used [-Wunused-but-set-variable] Signed-off-by: Marek Vasut Cc: Wolfgang Denk Cc: Simon Glass Cc: Mike Frysinger --- include/i2c.h | 32 +++++++++++++++++++++++--------- 1 file changed, 23 insertions(+), 9 deletions(-) diff --git a/include/i2c.h b/include/i2c.h index 8ceb4c8..ee31034 100644 --- a/include/i2c.h +++ b/include/i2c.h @@ -46,16 +46,16 @@ */ #define I2C_RXTX_LEN 128 /* maximum tx/rx buffer length */ -#if defined(CONFIG_I2C_MULTI_BUS) -#if !defined(CONFIG_SYS_MAX_I2C_BUS) -#define CONFIG_SYS_MAX_I2C_BUS 2 -#endif -#define I2C_GET_BUS() i2c_get_bus_num() -#define I2C_SET_BUS(a) i2c_set_bus_num(a) +#ifdef CONFIG_I2C_MULTI_BUS +#define MAX_I2C_BUS 2 +#define I2C_MULTI_BUS 1 #else -#define CONFIG_SYS_MAX_I2C_BUS 1 -#define I2C_GET_BUS() 0 -#define I2C_SET_BUS(a) +#define MAX_I2C_BUS 1 +#define I2C_MULTI_BUS 0 +#endif + +#if !defined(CONFIG_SYS_MAX_I2C_BUS) +#define CONFIG_SYS_MAX_I2C_BUS MAX_I2C_BUS #endif /* define the I2C bus number for RTC and DTT if not already done */ @@ -236,4 +236,18 @@ int i2c_set_bus_speed(unsigned int); unsigned int i2c_get_bus_speed(void); +/* NOTE: These two functions MUST be always_inline to avoid code growth! */ +static inline unsigned int I2C_GET_BUS(void) __attribute__((always_inline)); +static inline unsigned int I2C_GET_BUS(void) +{ + return I2C_MULTI_BUS ? i2c_get_bus_num() : 0; +} + +static inline void I2C_SET_BUS(unsigned int bus) __attribute__((always_inline)); +static inline void I2C_SET_BUS(unsigned int bus) +{ + if (I2C_MULTI_BUS) + i2c_set_bus_num(bus); +} + #endif /* _I2C_H_ */ -- 2.7.4