Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
  * All timings are in us.
  */
 struct at86rf2xx_chip_data {
+       u16 t_sleep_cycle;
        u16 t_channel_switch;
        u16 t_reset_to_off;
        u16 t_off_to_aack;
 };
 
 static struct at86rf2xx_chip_data at86rf233_data = {
+       .t_sleep_cycle = 330,
        .t_channel_switch = 11,
        .t_reset_to_off = 26,
        .t_off_to_aack = 80,
 };
 
 static struct at86rf2xx_chip_data at86rf231_data = {
+       .t_sleep_cycle = 330,
        .t_channel_switch = 24,
        .t_reset_to_off = 37,
        .t_off_to_aack = 110,
 };
 
 static struct at86rf2xx_chip_data at86rf212_data = {
+       .t_sleep_cycle = 330,
        .t_channel_switch = 11,
        .t_reset_to_off = 26,
        .t_off_to_aack = 200,
        if (rc)
                return rc;
        /* Wait the next SLEEP cycle */
-       msleep(100);
+       usleep_range(lp->data->t_sleep_cycle,
+                    lp->data->t_sleep_cycle + 100);
 
        rc = at86rf230_read_subreg(lp, SR_DVDD_OK, &dvdd);
        if (rc)