Staging: gdm724x: replace pr_* with dev_*

This patch replace pr_err/pr_info with dev_err/dev_info, when
appropriate device structure is found.

Issue found  and resolved using the following Coccinelle script.
pr_err/dev_err was substituted with pr_info/dev_info in the later case.

@r exists@
identifier f, s, i;
position p;
@@
f(...,struct s *i,...) {
<+...
when != i == NULL
pr_err@p(...);
...+>
}
@rr@
identifier r.s, s2, fld;
@@

struct s {
	...
	struct s2 *fld;
	...
};

@rrr@
identifier rr.s2, fld2;
@@

struct s2 {
	...
	struct device fld2;
	...
};
@@
identifier r.i, r.s, rr.fld, rrr.fld2;
position r.p;
@@

-pr_err@p
+dev_err
   (
+ &i->fld->fld2,
...)

Signed-off-by: Haneen Mohammed <hamohammed.sa@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/gdm724x/gdm_mux.c

@@ -270,7 +270,7 @@ static void gdm_mux_rcv_complete(struct urb *urb)
 
 	if (urb->status) {
 		if (mux_dev->usb_state == PM_NORMAL)
-			pr_err("%s: urb status error %d\n",
+			dev_err(&urb->dev->dev, "%s: urb status error %d\n",
 			       __func__, urb->status);
 		put_rx_struct(rx, r);
 	} else {
@@ -342,7 +342,7 @@ static void gdm_mux_send_complete(struct urb *urb)
 	struct mux_tx *t = urb->context;
 
 	if (urb->status == -ECONNRESET) {
-		pr_info("CONNRESET\n");
+		dev_info(&urb->dev->dev, "CONNRESET\n");
 		free_mux_tx(t);
 		return;
 	}

drivers/staging/gdm724x/gdm_usb.c

@@ -480,7 +480,7 @@ static void gdm_usb_rcv_complete(struct urb *urb)
 		spin_unlock_irqrestore(&rx->to_host_lock, flags);
 	} else {
 		if (urb->status && udev->usb_state == PM_NORMAL)
-			pr_err("%s: urb status error %d\n",
+			dev_err(&urb->dev->dev, "%s: urb status error %d\n",
 			       __func__, urb->status);
 
 		put_rx_struct(rx, r);
@@ -557,7 +557,7 @@ static void gdm_usb_send_complete(struct urb *urb)
 	unsigned long flags;
 
 	if (urb->status == -ECONNRESET) {
-		pr_info("CONNRESET\n");
+		dev_info(&urb->dev->dev, "CONNRESET\n");
 		return;
 	}
 
@@ -590,7 +590,8 @@ static int send_tx_packet(struct usb_device *usbdev, struct usb_tx *t, u32 len)
 	ret = usb_submit_urb(t->urb, GFP_ATOMIC);
 
 	if (ret)
-		pr_err("usb_submit_urb failed: %d\n", ret);
+		dev_err(&usbdev->dev, "usb_submit_urb failed: %d\n",
+			ret);
 
 	usb_mark_last_busy(usbdev);