target/linux/brcm47xx/patches-3.6/552-ssb-extif-add-check-for-max-value-in-watchdog.patch

   1 --- a/drivers/ssb/driver_extif.c
   2 +++ b/drivers/ssb/driver_extif.c
   3 @@ -112,9 +112,10 @@ void ssb_extif_get_clockcontrol(struct s
   4         *m = extif_read32(extif, SSB_EXTIF_CLOCK_SB);
   5  }
   6
   7 -void ssb_extif_watchdog_timer_set(struct ssb_extif *extif,
   8 -                                 u32 ticks)
   9 +void ssb_extif_watchdog_timer_set(struct ssb_extif *extif, u32 ticks)
  10  {
  11 +       if (ticks > SSB_EXTIF_WATCHDOG_MAX_TIMER)
  12 +               ticks = SSB_EXTIF_WATCHDOG_MAX_TIMER;
  13         extif_write32(extif, SSB_EXTIF_WATCHDOG, ticks);
  14  }
  15
  16 --- a/include/linux/ssb/ssb_driver_extif.h
  17 +++ b/include/linux/ssb/ssb_driver_extif.h
  18 @@ -152,6 +152,7 @@
  19  /* watchdog */
  20  #define SSB_EXTIF_WATCHDOG_CLK         48000000        /* Hz */
  21
  22 +#define SSB_EXTIF_WATCHDOG_MAX_TIMER   ((1 << 28) - 1)
  23
  24
  25  #ifdef CONFIG_SSB_DRIVER_EXTIF