diff mbox

[3/4] OMAP: PM: use omap_device API for suspend/resume

Message ID 1274994799-30297-4-git-send-email-khilman@deeprootsystems.com (mailing list archive)
State Superseded
Delegated to: Kevin Hilman
Headers show

Commit Message

Kevin Hilman May 27, 2010, 9:13 p.m. UTC
None
diff mbox

Patch

diff --git a/arch/arm/mach-omap2/pm_bus.c b/arch/arm/mach-omap2/pm_bus.c
index 69acaa5..3787da8 100644
--- a/arch/arm/mach-omap2/pm_bus.c
+++ b/arch/arm/mach-omap2/pm_bus.c
@@ -70,3 +70,64 @@  int platform_pm_runtime_idle(struct device *dev)
 };
 #endif /* CONFIG_PM_RUNTIME */
 
+#ifdef CONFIG_SUSPEND
+int platform_pm_suspend_noirq(struct device *dev)
+{
+	struct device_driver *drv = dev->driver;
+	struct platform_device *pdev = to_platform_device(dev);
+	struct omap_device *odev = to_omap_device(pdev);
+	int ret = 0;
+
+	if (!drv)
+		return 0;
+
+	if (drv->pm) {
+		if (drv->pm->suspend_noirq)
+			ret = drv->pm->suspend_noirq(dev);
+	}
+
+	if (omap_device_is_valid(odev)) {
+		if (odev->flags & OMAP_DEVICE_NO_BUS_SUSPEND) {
+			dev_dbg(dev, "no automatic bus-level system resume.\n");
+			return 0;
+		}
+
+		dev_dbg(dev, "%s\n", __func__);
+		omap_device_idle(pdev);
+	} else {
+		dev_dbg(dev, "not an omap_device\n");
+	}
+
+	return ret;
+}
+
+int platform_pm_resume_noirq(struct device *dev)
+{
+	struct device_driver *drv = dev->driver;
+	struct platform_device *pdev = to_platform_device(dev);
+	struct omap_device *odev = to_omap_device(pdev);
+	int ret = 0;
+
+	if (omap_device_is_valid(odev)) {
+		if (odev->flags & OMAP_DEVICE_NO_BUS_SUSPEND) {
+			dev_dbg(dev, "no automatic bus-level system resume.\n");
+			return 0;
+		}
+
+		dev_dbg(dev, "%s\n", __func__);
+		omap_device_enable(pdev);
+	} else {
+		dev_dbg(dev, "not an omap_device\n");
+	}
+
+	if (!drv)
+		return 0;
+
+	if (drv->pm) {
+		if (drv->pm->resume_noirq)
+			ret = drv->pm->resume_noirq(dev);
+	}
+
+	return ret;
+}
+#endif /* CONFIG_SUSPEND */