USB: legotower: remove direct calls to printk()

Use the pr_* calls instead, which are much more descriptive.

Cc: Juergen Stuber <starblue@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 7 insertions, 5 deletions

diff --git a/drivers/usb/misc/legousbtower.c b/drivers/usb/misc/legousbtower.c
index 6df99dc4fe87..eb37c9542052 100644
--- a/drivers/usb/misc/legousbtower.c
+++ b/drivers/usb/misc/legousbtower.c
@@ -75,6 +75,8 @@
  *   - move reset into open to clean out spurious data
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/init.h>
@@ -325,8 +327,7 @@ static int tower_open (struct inode *inode, struct file *file)
         interface = usb_find_interface (&tower_driver, subminor);
 
         if (!interface) {
-                printk(KERN_ERR "%s - error, can't find device for minor %d\n",
-                       __func__, subminor);
+                pr_err("error, can't find device for minor %d\n", subminor);
                 retval = -ENODEV;
                 goto exit;
         }
@@ -563,7 +564,7 @@ static ssize_t tower_read (struct file *file, char __user *buffer, size_t count,
         /* verify that the device wasn't unplugged */
         if (dev->udev == NULL) {
                 retval = -ENODEV;
-                printk(KERN_ERR "legousbtower: No device or device unplugged %d\n", retval);
+                pr_err("No device or device unplugged %d\n", retval);
                 goto unlock_exit;
         }
 
@@ -649,7 +650,7 @@ static ssize_t tower_write (struct file *file, const char __user *buffer, size_t
         /* verify that the device wasn't unplugged */
         if (dev->udev == NULL) {
                 retval = -ENODEV;
-                printk(KERN_ERR "legousbtower: No device or device unplugged %d\n", retval);
+                pr_err("No device or device unplugged %d\n", retval);
                 goto unlock_exit;
         }
 
@@ -748,7 +749,8 @@ static void tower_interrupt_in_callback (struct urb *urb)
                         dev_dbg(&dev->udev->dev, "%s: received %d bytes\n",
                                 __func__, urb->actual_length);
                 } else {
-                        printk(KERN_WARNING "%s: read_buffer overflow, %d bytes dropped", __func__, urb->actual_length);
+                        pr_warn("read_buffer overflow, %d bytes dropped\n",
+                                urb->actual_length);
                 }
                 spin_unlock (&dev->read_buffer_lock);
         }