iforce-usb.c, iforce-packets.c:

  Fix I-Force sleeping issues.

drivers/input/joystick/iforce/iforce-packets.c

@@ -166,7 +166,6 @@ void iforce_process_packet(struct iforce *iforce, u16 cmd, unsigned char *data,
 		iforce->expect_packet = 0;
 		iforce->ecmd = cmd;
 		memcpy(iforce->edata, data, IFORCE_MAX_LENGTH);
-		if (waitqueue_active(&iforce->wait))
 		wake_up(&iforce->wait);
 	}
 #endif
@@ -264,7 +263,7 @@ int iforce_get_id_packet(struct iforce *iforce, char *packet)
 		set_current_state(TASK_INTERRUPTIBLE);
 		add_wait_queue(&iforce->wait, &wait);
 
-		if (usb_submit_urb(iforce->ctrl, GFP_KERNEL)) {
+		if (usb_submit_urb(iforce->ctrl, GFP_ATOMIC)) {
 			set_current_state(TASK_RUNNING);
 			remove_wait_queue(&iforce->wait, &wait);
 			return -1;

drivers/input/joystick/iforce/iforce-usb.c

@@ -116,7 +116,6 @@ static void iforce_usb_out(struct urb *urb, struct pt_regs *regs)
 
 	iforce_usb_xmit(iforce);
 
-	if (waitqueue_active(&iforce->wait))
 	wake_up(&iforce->wait);
 }
 
@@ -125,7 +124,6 @@ static void iforce_usb_ctrl(struct urb *urb, struct pt_regs *regs)
 	struct iforce *iforce = urb->context;
 	if (urb->status) return;
 	iforce->ecmd = 0xff00 | urb->actual_length;
-	if (waitqueue_active(&iforce->wait))
 	wake_up(&iforce->wait);
 }