Signed-off-by: Asen Dimov <dimov@ronetix.at>
        if (mckr & AT91_PMC_MCKR_MDIV_MASK)
                freq /= 2;                      /* processor clock division */
 #elif defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45)
-       mck_rate_hz = (mckr & AT91_PMC_MCKR_MDIV_MASK) == AT91SAM9_PMC_MDIV_3
+       mck_rate_hz = (mckr & AT91_PMC_MCKR_MDIV_MASK) ==
+               (AT91_PMC_MCKR_MDIV_2 | AT91_PMC_MCKR_MDIV_4)
                ? freq / 3
                : freq / (1 << ((mckr & AT91_PMC_MCKR_MDIV_MASK) >> 8));
 #else