at86rf230: add sleep cycle timing

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c
index dbf85b85a708..79ec843416f7 100644
--- a/drivers/net/ieee802154/at86rf230.c
+++ b/drivers/net/ieee802154/at86rf230.c
@@ -42,6 +42,7 @@ struct at86rf230_local;
  * 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;
@@ -1250,6 +1251,7 @@ static struct ieee802154_ops at86rf230_ops = {
 };
 
 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,
@@ -1265,6 +1267,7 @@ static struct at86rf2xx_chip_data at86rf233_data = {
 };
 
 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,
@@ -1280,6 +1283,7 @@ static struct at86rf2xx_chip_data at86rf231_data = {
 };
 
 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,
@@ -1338,7 +1342,8 @@ static int at86rf230_hw_init(struct at86rf230_local *lp)
         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)