summaryrefslogtreecommitdiffstats
path: root/arch/arm/plat-omap/omap_device.c
diff options
context:
space:
mode:
authorThomas Gleixner <tglx@linutronix.de>2011-02-22 18:24:26 +0100
committerThomas Gleixner <tglx@linutronix.de>2011-02-22 18:41:48 +0100
commit695884fb8acd9857e0e7120ccb2150e30f4b8fef (patch)
tree49aa424c1a021ce432e9fa5ea29d37a23e4e30cc /arch/arm/plat-omap/omap_device.c
parent5df91509d324d44cfb11e55d9cb02fe18b53b045 (diff)
parent04bea68b2f0eeebb089ecc67b618795925268b4a (diff)
Merge branch 'devicetree/for-x86' of git://git.secretlab.ca/git/linux-2.6 into x86/platform
Reason: x86 devicetree support for ce4100 depends on those device tree changes scheduled for .39. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/arm/plat-omap/omap_device.c')
-rw-r--r--arch/arm/plat-omap/omap_device.c28
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 abe933cd8f0..57adb270767 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 *
*