#include <asm/irq.h>
 #include <asm/uaccess.h>
 
-#undef DEBUG
-#ifdef DEBUG
-#define DPRINTK(x...)  printk(x)
-#else
-#define DPRINTK(x...)  do { } while (0)
-#endif
-
 /*
  * This is used to lock changes in serial line configuration.
  */
                return;
        }
 
-       DPRINTK("uart_flush_buffer(%d) called\n", tty->index);
+       pr_debug("uart_flush_buffer(%d) called\n", tty->index);
 
        spin_lock_irqsave(&port->lock, flags);
        uart_circ_clear(&state->info->xmit);
 
        port = state->port;
 
-       DPRINTK("uart_close(%d) called\n", port->line);
+       pr_debug("uart_close(%d) called\n", port->line);
 
        mutex_lock(&state->mutex);
 
 
        expire = jiffies + timeout;
 
-       DPRINTK("uart_wait_until_sent(%d), jiffies=%lu, expire=%lu...\n",
+       pr_debug("uart_wait_until_sent(%d), jiffies=%lu, expire=%lu...\n",
                port->line, jiffies, expire);
 
        /*
        struct uart_state *state = tty->driver_data;
 
        BUG_ON(!kernel_locked());
-       DPRINTK("uart_hangup(%d)\n", state->port->line);
+       pr_debug("uart_hangup(%d)\n", state->port->line);
 
        mutex_lock(&state->mutex);
        if (state->info && state->info->flags & UIF_NORMAL_ACTIVE) {
        int retval, line = tty->index;
 
        BUG_ON(!kernel_locked());
-       DPRINTK("uart_open(%d) called\n", line);
+       pr_debug("uart_open(%d) called\n", line);
 
        /*
         * tty->driver->num won't change, so we won't fail here with