diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c index ea61c32957bdaeeb69f5f21467dcc291b05d397f..109a02e02d72eb6fa72d7e60d129e87a753081e0 100644 --- a/arch/arm/mach-omap2/pm.c +++ b/arch/arm/mach-omap2/pm.c @@ -39,6 +39,36 @@ static struct omap_device_pm_latency *pm_lats; */ int (*omap_pm_suspend)(void); +/** + * struct omap2_oscillator - Describe the board main oscillator latencies + * @startup_time: oscillator startup latency + * @shutdown_time: oscillator shutdown latency + */ +struct omap2_oscillator { + u32 startup_time; + u32 shutdown_time; +}; + +static struct omap2_oscillator oscillator = { + .startup_time = ULONG_MAX, + .shutdown_time = ULONG_MAX, +}; + +void omap_pm_setup_oscillator(u32 tstart, u32 tshut) +{ + oscillator.startup_time = tstart; + oscillator.shutdown_time = tshut; +} + +void omap_pm_get_oscillator(u32 *tstart, u32 *tshut) +{ + if (!tstart || !tshut) + return; + + *tstart = oscillator.startup_time; + *tshut = oscillator.shutdown_time; +} + static int __init _init_omap_device(char *name) { struct omap_hwmod *oh; diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h index 67d66131cfa796c9f0724e43a2820a0752e1fa73..429028852103ca806e7ad40f41325da870a94751 100644 --- a/arch/arm/mach-omap2/pm.h +++ b/arch/arm/mach-omap2/pm.h @@ -129,4 +129,12 @@ static inline int omap4_twl_init(void) } #endif +#ifdef CONFIG_PM +extern void omap_pm_setup_oscillator(u32 tstart, u32 tshut); +extern void omap_pm_get_oscillator(u32 *tstart, u32 *tshut); +#else +static inline void omap_pm_setup_oscillator(u32 tstart, u32 tshut) { } +static inline void omap_pm_get_oscillator(u32 *tstart, u32 *tshut) { } +#endif + #endif