#include <linux/mm.h>
 #include <linux/io.h>
 #include <linux/uaccess.h>
-#include <linux/watchdog.h>
+#include <asm/watchdog.h>
 
 #define PFX "shwdt: "
 
 static void sh_wdt_ping(unsigned long data);
 
 static unsigned long shwdt_is_open;
-static struct watchdog_info sh_wdt_info;
+static const struct watchdog_info sh_wdt_info;
 static char shwdt_expect_close;
 static DEFINE_TIMER(timer, sh_wdt_ping, 0, 0);
 static unsigned long next_heartbeat;
        __u8 csr;
        unsigned long flags;
 
-       spin_lock_irqsave(&wdt_lock, flags);
+       spin_lock_irqsave(&shwdt_lock, flags);
 
        next_heartbeat = jiffies + (heartbeat * HZ);
        mod_timer(&timer, next_ping_period(clock_division_ratio));
        csr &= ~RSTCSR_RSTS;
        sh_wdt_write_rstcsr(csr);
 #endif
-       spin_unlock_irqrestore(&wdt_lock, flags);
+       spin_unlock_irqrestore(&shwdt_lock, flags);
 }
 
 /**
        __u8 csr;
        unsigned long flags;
 
-       spin_lock_irqsave(&wdt_lock, flags);
+       spin_lock_irqsave(&shwdt_lock, flags);
 
        del_timer(&timer);
 
        csr = sh_wdt_read_csr();
        csr &= ~WTCSR_TME;
        sh_wdt_write_csr(csr);
-       spin_unlock_irqrestore(&wdt_lock, flags);
+       spin_unlock_irqrestore(&shwdt_lock, flags);
 }
 
 /**
 {
        unsigned long flags;
 
-       spin_lock_irqsave(&wdt_lock, flags);
+       spin_lock_irqsave(&shwdt_lock, flags);
        next_heartbeat = jiffies + (heartbeat * HZ);
-       spin_unlock_irqrestore(&wdt_lock, flags);
+       spin_unlock_irqrestore(&shwdt_lock, flags);
 }
 
 /**
        if (unlikely(t < 1 || t > 3600)) /* arbitrary upper limit */
                return -EINVAL;
 
-       spin_lock_irqsave(&wdt_lock, flags);
+       spin_lock_irqsave(&shwdt_lock, flags);
        heartbeat = t;
-       spin_unlock_irqrestore(&wdt_lock, flags);
+       spin_unlock_irqrestore(&shwdt_lock, flags);
        return 0;
 }
 
 {
        unsigned long flags;
 
-       spin_lock_irqsave(&wdt_lock, flags);
+       spin_lock_irqsave(&shwdt_lock, flags);
        if (time_before(jiffies, next_heartbeat)) {
                __u8 csr;
 
        } else
                printk(KERN_WARNING PFX "Heartbeat lost! Will not ping "
                       "the watchdog\n");
-       spin_unlock_irqrestore(&wdt_lock, flags);
+       spin_unlock_irqrestore(&shwdt_lock, flags);
 }
 
 /**