[media] gspca: Use current logging styles

Add pr_fmt.
Convert usb style logging macros to pr_<level>.
Remove now unused old usb style logging macros.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/gspca/sq905c.c b/drivers/media/video/gspca/sq905c.c
index 457563b..c2c0560 100644
--- a/drivers/media/video/gspca/sq905c.c
+++ b/drivers/media/video/gspca/sq905c.c
@@ -27,6 +27,8 @@
  * and may contain code fragments from it.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #define MODULE_NAME "sq905c"
 
 #include <linux/workqueue.h>
@@ -95,8 +97,7 @@
 			      command, index, NULL, 0,
 			      SQ905C_CMD_TIMEOUT);
 	if (ret < 0) {
-		err("%s: usb_control_msg failed (%d)",
-			__func__, ret);
+		pr_err("%s: usb_control_msg failed (%d)\n", __func__, ret);
 		return ret;
 	}
 
@@ -115,8 +116,7 @@
 			      command, index, gspca_dev->usb_buf, size,
 			      SQ905C_CMD_TIMEOUT);
 	if (ret < 0) {
-		err("%s: usb_control_msg failed (%d)",
-		       __func__, ret);
+		pr_err("%s: usb_control_msg failed (%d)\n", __func__, ret);
 		return ret;
 	}
 
@@ -146,7 +146,7 @@
 
 	buffer = kmalloc(SQ905C_MAX_TRANSFER, GFP_KERNEL | GFP_DMA);
 	if (!buffer) {
-		err("Couldn't allocate USB buffer");
+		pr_err("Couldn't allocate USB buffer\n");
 		goto quit_stream;
 	}