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ssb: extif: add check for max value before setting watchdog register

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Prevent the watchdog register on the extif core to be set to a too
high value.

Signed-off-by: Hauke Mehrtens <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
This commit is contained in:
Hauke Mehrtens 2012-12-05 18:46:06 +01:00 • committed by John W. Linville
commit 7280b51a29
2 changed files with 4 additions and 2 deletions
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5
drivers/ssb/driver_extif.c
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@ -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);
}