This contains startup and shutdown times for the oscillator. By default use ULONG_MAX. Oscillator setup is used for calculating and setting up latencies for sleep modes that disable oscillator.
Signed-off-by: Tero Kristo <[email protected]> --- arch/arm/mach-omap2/pm.c | 27 +++++++++++++++++++++++++++ arch/arm/mach-omap2/pm.h | 8 ++++++++ 2 files changed, 35 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c index 1881fe9..2402e8e 100644 --- a/arch/arm/mach-omap2/pm.c +++ b/arch/arm/mach-omap2/pm.c @@ -28,6 +28,33 @@ static struct omap_device_pm_latency *pm_lats; +/** + * 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) +{ + *tstart = oscillator.startup_time; + *tshut = oscillator.shutdown_time; +} + static int _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 ec8f874..797d2da 100644 --- a/arch/arm/mach-omap2/pm.h +++ b/arch/arm/mach-omap2/pm.h @@ -141,4 +141,12 @@ 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 -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
