at86rf230: rework reset to trx_off state change
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c
index 265fea8..a64914a 100644
--- a/drivers/net/ieee802154/at86rf230.c
+++ b/drivers/net/ieee802154/at86rf230.c
@@ -42,6 +42,7 @@
* All timings are in us.
*/
struct at86rf2xx_chip_data {
+ u16 t_reset_to_off;
u16 t_off_to_aack;
u16 t_off_to_tx_on;
u16 t_frame;
@@ -582,6 +583,16 @@
break;
}
break;
+ /* Default value, means RESET state */
+ case STATE_P_ON:
+ switch (ctx->to_state) {
+ case STATE_TRX_OFF:
+ usleep_range(c->t_reset_to_off, c->t_reset_to_off + 10);
+ goto change;
+ default:
+ break;
+ }
+ break;
default:
break;
}
@@ -1236,6 +1247,7 @@
};
static struct at86rf2xx_chip_data at86rf233_data = {
+ .t_reset_to_off = 26,
.t_off_to_aack = 80,
.t_off_to_tx_on = 80,
.t_frame = 4096,
@@ -1249,6 +1261,7 @@
};
static struct at86rf2xx_chip_data at86rf231_data = {
+ .t_reset_to_off = 37,
.t_off_to_aack = 110,
.t_off_to_tx_on = 110,
.t_frame = 4096,
@@ -1262,6 +1275,7 @@
};
static struct at86rf2xx_chip_data at86rf212_data = {
+ .t_reset_to_off = 26,
.t_off_to_aack = 200,
.t_off_to_tx_on = 200,
.t_frame = 4096,
@@ -1280,7 +1294,7 @@
unsigned int dvdd;
u8 csma_seed[2];
- rc = at86rf230_write_subreg(lp, SR_TRX_CMD, STATE_FORCE_TRX_OFF);
+ rc = at86rf230_sync_state_change(lp, STATE_FORCE_TRX_OFF);
if (rc)
return rc;