iTCO_wdt: fix typo when setting TCO_EN bit
[pandora-kernel.git] / drivers / watchdog / booke_wdt.c
index c3b78a7..225398f 100644 (file)
@@ -42,8 +42,10 @@ u32 booke_wdt_period = WDT_PERIOD_DEFAULT;
 
 #ifdef CONFIG_FSL_BOOKE
 #define WDTP(x)                ((((63-x)&0x3)<<30)|(((63-x)&0x3c)<<15))
+#define WDTP_MASK      (WDTP(0))
 #else
 #define WDTP(x)                (TCR_WP(x))
+#define WDTP_MASK      (TCR_WP_MASK)
 #endif
 
 static DEFINE_SPINLOCK(booke_wdt_lock);
@@ -65,6 +67,7 @@ static void __booke_wdt_enable(void *data)
        /* clear status before enabling watchdog */
        __booke_wdt_ping(NULL);
        val = mfspr(SPRN_TCR);
+       val &= ~WDTP_MASK;
        val |= (TCR_WIE|TCR_WRC(WRC_CHIP)|WDTP(booke_wdt_period));
 
        mtspr(SPRN_TCR, val);
@@ -114,7 +117,7 @@ static long booke_wdt_ioctl(struct file *file,
        case WDIOC_SETTIMEOUT:
                if (get_user(booke_wdt_period, p))
                        return -EFAULT;
-               mtspr(SPRN_TCR, (mfspr(SPRN_TCR) & ~WDTP(0)) |
+               mtspr(SPRN_TCR, (mfspr(SPRN_TCR) & ~WDTP_MASK) |
                                                WDTP(booke_wdt_period));
                return 0;
        case WDIOC_GETTIMEOUT: