diff options
Diffstat (limited to 'arch/arm/plat-omap/omap_device.c')
| -rw-r--r-- | arch/arm/plat-omap/omap_device.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c index abe933cd8f09..57adb270767b 100644 --- a/arch/arm/plat-omap/omap_device.c +++ b/arch/arm/plat-omap/omap_device.c @@ -280,6 +280,34 @@ static void _add_optional_clock_alias(struct omap_device *od, /* Public functions for use by core code */ /** + * omap_device_get_context_loss_count - get lost context count + * @od: struct omap_device * + * + * Using the primary hwmod, query the context loss count for this + * device. + * + * Callers should consider context for this device lost any time this + * function returns a value different than the value the caller got + * the last time it called this function. + * + * If any hwmods exist for the omap_device assoiated with @pdev, + * return the context loss counter for that hwmod, otherwise return + * zero. + */ +u32 omap_device_get_context_loss_count(struct platform_device *pdev) +{ + struct omap_device *od; + u32 ret = 0; + + od = _find_by_pdev(pdev); + + if (od->hwmods_cnt) + ret = omap_hwmod_get_context_loss_count(od->hwmods[0]); + + return ret; +} + +/** * omap_device_count_resources - count number of struct resource entries needed * @od: struct omap_device * * |