diff options
Diffstat (limited to 'arch/arm/plat-omap/include/plat/common.h')
| -rw-r--r-- | arch/arm/plat-omap/include/plat/common.h | 35 |
1 files changed, 22 insertions, 13 deletions
diff --git a/arch/arm/plat-omap/include/plat/common.h b/arch/arm/plat-omap/include/plat/common.h index 064f1730f43b..32c22272425d 100644 --- a/arch/arm/plat-omap/include/plat/common.h +++ b/arch/arm/plat-omap/include/plat/common.h @@ -27,7 +27,7 @@ #ifndef __ARCH_ARM_MACH_OMAP_COMMON_H #define __ARCH_ARM_MACH_OMAP_COMMON_H -#include <linux/i2c.h> +#include <plat/i2c.h> struct sys_timer; @@ -36,18 +36,6 @@ extern void __iomem *gic_cpu_base_addr; extern void omap_map_common_io(void); extern struct sys_timer omap_timer; -#if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE) -extern int omap_register_i2c_bus(int bus_id, u32 clkrate, - struct i2c_board_info const *info, - unsigned len); -#else -static inline int omap_register_i2c_bus(int bus_id, u32 clkrate, - struct i2c_board_info const *info, - unsigned len) -{ - return 0; -} -#endif /* IO bases for various OMAP processors */ struct omap_globals { @@ -58,6 +46,7 @@ struct omap_globals { void __iomem *ctrl; /* System Control Module */ void __iomem *prm; /* Power and Reset Management */ void __iomem *cm; /* Clock Management */ + void __iomem *cm2; }; void omap2_set_globals_242x(void); @@ -71,4 +60,24 @@ void omap2_set_globals_sdrc(struct omap_globals *); void omap2_set_globals_control(struct omap_globals *); void omap2_set_globals_prcm(struct omap_globals *); +/** + * omap_test_timeout - busy-loop, testing a condition + * @cond: condition to test until it evaluates to true + * @timeout: maximum number of microseconds in the timeout + * @index: loop index (integer) + * + * Loop waiting for @cond to become true or until at least @timeout + * microseconds have passed. To use, define some integer @index in the + * calling code. After running, if @index == @timeout, then the loop has + * timed out. + */ +#define omap_test_timeout(cond, timeout, index) \ +({ \ + for (index = 0; index < timeout; index++) { \ + if (cond) \ + break; \ + udelay(1); \ + } \ +}) + #endif /* __ARCH_ARM_MACH_OMAP_COMMON_H */ |