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-rw-r--r--drivers/ssb/driver_extif.c5
-rw-r--r--include/linux/ssb/ssb_driver_extif.h1
2 files changed, 4 insertions, 2 deletions
diff --git a/drivers/ssb/driver_extif.c b/drivers/ssb/driver_extif.c
index dc47f30e9cf7..0aa4c2a85774 100644
--- a/drivers/ssb/driver_extif.c
+++ b/drivers/ssb/driver_extif.c
@@ -112,9 +112,10 @@ void ssb_extif_get_clockcontrol(struct ssb_extif *extif,
*m = extif_read32(extif, SSB_EXTIF_CLOCK_SB);
}
-void ssb_extif_watchdog_timer_set(struct ssb_extif *extif,
- u32 ticks)
+void ssb_extif_watchdog_timer_set(struct ssb_extif *extif, u32 ticks)
{
+ if (ticks > SSB_EXTIF_WATCHDOG_MAX_TIMER)
+ ticks = SSB_EXTIF_WATCHDOG_MAX_TIMER;
extif_write32(extif, SSB_EXTIF_WATCHDOG, ticks);
}
diff --git a/include/linux/ssb/ssb_driver_extif.h b/include/linux/ssb/ssb_driver_extif.h
index 2604efa7dc4d..b618188939d2 100644
--- a/include/linux/ssb/ssb_driver_extif.h
+++ b/include/linux/ssb/ssb_driver_extif.h
@@ -152,6 +152,7 @@
/* watchdog */
#define SSB_EXTIF_WATCHDOG_CLK 48000000 /* Hz */
+#define SSB_EXTIF_WATCHDOG_MAX_TIMER ((1 << 28) - 1)
#ifdef CONFIG_SSB_DRIVER_EXTIF