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authorAlexander Aring <aar@pengutronix.de>2016-04-19 15:34:22 +0200
committerMarcel Holtmann <marcel@holtmann.org>2016-04-20 16:17:13 +0200
commit60f5f5d3a106dc5385b39348d13b20b15ac9cbf9 (patch)
tree171301372a5b4ed45e6cfa9990e6966c9558ce00 /drivers/net/ieee802154/at86rf230.c
parent6lowpan: move mac802154 header (diff)
downloadlinux-60f5f5d3a106dc5385b39348d13b20b15ac9cbf9.tar.xz
linux-60f5f5d3a106dc5385b39348d13b20b15ac9cbf9.zip
at86rf230: increase sleep to off timings
I expierenced when setting channel while sleep mode it didn't changed the channel inside the hardware registers. Then I got another report of an user which has similar issues. I increased the sleep to off state change timing, which is according at86rf233 at maximum 1000 us. After this change I got no similar effects again. I tried another option to wait on AWAKE_END irq, which can be used to wait until the transceiver is awaked. I tested it and the IRQ took 4 seconds after starting state change. I don't believe it takes 4 seconds to go into the TRX_OFF state from SLEEP state. The alternative is to increase the timings which seems to work. Cc: Oleg Hahm <oliver.hahm@inria.fr> Signed-off-by: Alexander Aring <aar@pengutronix.de> Reviewed-by: Stefan Schmidt<stefan@osg.samsung.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/net/ieee802154/at86rf230.c')
-rw-r--r--drivers/net/ieee802154/at86rf230.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c
index cb9e9fe6d77a..9f10da60e02d 100644
--- a/drivers/net/ieee802154/at86rf230.c
+++ b/drivers/net/ieee802154/at86rf230.c
@@ -1340,7 +1340,7 @@ static struct at86rf2xx_chip_data at86rf233_data = {
.t_off_to_aack = 80,
.t_off_to_tx_on = 80,
.t_off_to_sleep = 35,
- .t_sleep_to_off = 210,
+ .t_sleep_to_off = 1000,
.t_frame = 4096,
.t_p_ack = 545,
.rssi_base_val = -91,
@@ -1355,7 +1355,7 @@ static struct at86rf2xx_chip_data at86rf231_data = {
.t_off_to_aack = 110,
.t_off_to_tx_on = 110,
.t_off_to_sleep = 35,
- .t_sleep_to_off = 380,
+ .t_sleep_to_off = 1000,
.t_frame = 4096,
.t_p_ack = 545,
.rssi_base_val = -91,
@@ -1370,7 +1370,7 @@ static struct at86rf2xx_chip_data at86rf212_data = {
.t_off_to_aack = 200,
.t_off_to_tx_on = 200,
.t_off_to_sleep = 35,
- .t_sleep_to_off = 380,
+ .t_sleep_to_off = 1000,
.t_frame = 4096,
.t_p_ack = 545,
.rssi_base_val = -100,