usb: gadget: android: dump the uevents sent when changing states
Change-Id: If5011e39f400b3aca036a890b8b932a7606a7ac2
Signed-off-by: Dima Zavin <dima@android.com>
diff --git a/drivers/usb/gadget/android.c b/drivers/usb/gadget/android.c
index a7d5b19..8ff9972 100644
--- a/drivers/usb/gadget/android.c
+++ b/drivers/usb/gadget/android.c
@@ -163,22 +163,24 @@
char *disconnected[2] = { "USB_STATE=DISCONNECTED", NULL };
char *connected[2] = { "USB_STATE=CONNECTED", NULL };
char *configured[2] = { "USB_STATE=CONFIGURED", NULL };
+ char **uevent_envp = NULL;
unsigned long flags;
spin_lock_irqsave(&cdev->lock, flags);
if (cdev->config) {
- spin_unlock_irqrestore(&cdev->lock, flags);
- kobject_uevent_env(&dev->dev->kobj, KOBJ_CHANGE,
- configured);
- return;
- }
- if (dev->connected != dev->sw_connected) {
+ uevent_envp = configured;
+ } else if (dev->connected != dev->sw_connected) {
dev->sw_connected = dev->connected;
- spin_unlock_irqrestore(&cdev->lock, flags);
- kobject_uevent_env(&dev->dev->kobj, KOBJ_CHANGE,
- dev->sw_connected ? connected : disconnected);
+ uevent_envp = dev->sw_connected ? connected : disconnected;
+ }
+ spin_unlock_irqrestore(&cdev->lock, flags);
+
+ if (uevent_envp) {
+ kobject_uevent_env(&dev->dev->kobj, KOBJ_CHANGE, uevent_envp);
+ pr_info("%s: sent uevent %s\n", __func__, uevent_envp[0]);
} else {
- spin_unlock_irqrestore(&cdev->lock, flags);
+ pr_info("%s: did not send uevent (%d %d %p)\n", __func__,
+ dev->connected, dev->sw_connected, cdev->config);
}
}