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-rw-r--r--drivers/usb/musb/omap2430.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index 4232f1ce3fbf..640a46f0d118 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -33,6 +33,8 @@ struct omap2430_glue {
enum musb_vbus_id_status status;
struct work_struct omap_musb_mailbox_work;
struct device *control_otghs;
+ unsigned int is_runtime_suspended:1;
+ unsigned int needs_resume:1;
};
#define glue_to_musb(g) platform_get_drvdata(g->musb)
@@ -459,6 +461,8 @@ static int omap2430_runtime_suspend(struct device *dev)
phy_power_off(musb->phy);
phy_exit(musb->phy);
+ glue->is_runtime_suspended = 1;
+
return 0;
}
@@ -480,12 +484,40 @@ static int omap2430_runtime_resume(struct device *dev)
/* Wait for musb to get oriented. Otherwise we can get babble */
usleep_range(200000, 250000);
+ glue->is_runtime_suspended = 0;
+
return 0;
}
+static int omap2430_suspend(struct device *dev)
+{
+ struct omap2430_glue *glue = dev_get_drvdata(dev);
+
+ if (glue->is_runtime_suspended)
+ return 0;
+
+ glue->needs_resume = 1;
+
+ return omap2430_runtime_suspend(dev);
+}
+
+static int omap2430_resume(struct device *dev)
+{
+ struct omap2430_glue *glue = dev_get_drvdata(dev);
+
+ if (!glue->needs_resume)
+ return 0;
+
+ glue->needs_resume = 0;
+
+ return omap2430_runtime_resume(dev);
+}
+
static const struct dev_pm_ops omap2430_pm_ops = {
.runtime_suspend = omap2430_runtime_suspend,
.runtime_resume = omap2430_runtime_resume,
+ .suspend = omap2430_suspend,
+ .resume = omap2430_resume,
};
#define DEV_PM_OPS (&omap2430_pm_ops)