1 files changed, 38 insertions, 0 deletions

diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c
index 25e1ede..6b31f47 100644
--- a/drivers/net/ieee802154/at86rf230.c
+++ b/drivers/net/ieee802154/at86rf230.c
@@ -47,6 +47,8 @@ struct at86rf2xx_chip_data {
 	u16 t_reset_to_off;
 	u16 t_off_to_aack;
 	u16 t_off_to_tx_on;
+	u16 t_off_to_sleep;
+	u16 t_sleep_to_off;
 	u16 t_frame;
 	u16 t_p_ack;
 	int rssi_base_val;
@@ -869,13 +871,33 @@ at86rf230_ed(struct ieee802154_hw *hw, u8 *level)
 static int
 at86rf230_start(struct ieee802154_hw *hw)
 {
+	struct at86rf230_local *lp = hw->priv;
+
+	if (gpio_is_valid(lp->slp_tr)) {
+		gpio_set_value(lp->slp_tr, 0);
+		usleep_range(lp->data->t_sleep_to_off,
+			     lp->data->t_sleep_to_off + 100);
+	}
+
+	enable_irq(lp->spi->irq);
+
 	return at86rf230_sync_state_change(hw->priv, STATE_RX_AACK_ON);
 }
 
 static void
 at86rf230_stop(struct ieee802154_hw *hw)
 {
+	struct at86rf230_local *lp = hw->priv;
+
 	at86rf230_sync_state_change(hw->priv, STATE_FORCE_TRX_OFF);
+
+	disable_irq(lp->spi->irq);
+
+	if (gpio_is_valid(lp->slp_tr)) {
+		gpio_set_value(lp->slp_tr, 1);
+		usleep_range(lp->data->t_off_to_sleep,
+			     lp->data->t_off_to_sleep + 10);
+	}
 }
 
 static int
@@ -1241,6 +1263,8 @@ static struct at86rf2xx_chip_data at86rf233_data = {
 	.t_reset_to_off = 26,
 	.t_off_to_aack = 80,
 	.t_off_to_tx_on = 80,
+	.t_off_to_sleep = 35,
+	.t_sleep_to_off = 210,
 	.t_frame = 4096,
 	.t_p_ack = 545,
 	.rssi_base_val = -91,
@@ -1254,6 +1278,8 @@ static struct at86rf2xx_chip_data at86rf231_data = {
 	.t_reset_to_off = 37,
 	.t_off_to_aack = 110,
 	.t_off_to_tx_on = 110,
+	.t_off_to_sleep = 35,
+	.t_sleep_to_off = 380,
 	.t_frame = 4096,
 	.t_p_ack = 545,
 	.rssi_base_val = -91,
@@ -1267,6 +1293,8 @@ static struct at86rf2xx_chip_data at86rf212_data = {
 	.t_reset_to_off = 26,
 	.t_off_to_aack = 200,
 	.t_off_to_tx_on = 200,
+	.t_off_to_sleep = 35,
+	.t_sleep_to_off = 380,
 	.t_frame = 4096,
 	.t_p_ack = 545,
 	.rssi_base_val = -100,
@@ -1640,6 +1668,16 @@ static int at86rf230_probe(struct spi_device *spi)
 	if (rc)
 		goto free_dev;
 
+	/* disable_irq by default and wait for starting hardware */
+	disable_irq(spi->irq);
+
+	/* going into sleep by default */
+	if (gpio_is_valid(slp_tr)) {
+		gpio_set_value(slp_tr, 1);
+		usleep_range(lp->data->t_off_to_sleep,
+			     lp->data->t_off_to_sleep + 10);
+	}
+
 	rc = ieee802154_register_hw(lp->hw);
 	if (rc)
 		goto free_dev;