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Bluetooth: controller: Cleanup redundant ticker busy loop

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Cleanup redundant ticker busy loop that could hang if the
worker and job IRQ priority levels are misconfigured, and
job gets disabled before all users/mayfly functions using
job complete.

Change-id: I053ad75a4328c51cfe651b820a2fa961e42ae48f
Signed-off-by: Vinayak Chettimada <vinayak.kariappa.chettimada@nordicsemi.no>
This commit is contained in:
Vinayak Chettimada 2017-03-30 08:17:53 +02:00 • committed by Johan Hedberg
commit 698de88916
1 changed files with 7 additions and 36 deletions
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43
subsys/bluetooth/controller/ll_sw/ctrl.c
View file

@ -3140,7 +3140,6 @@ static uint32_t preempt_calc(struct shdr *hdr, uint8_t ticker_id,
*/
static void mayfly_xtal_stop_calc(void *params)
{
uint32_t volatile ret_cb = TICKER_STATUS_BUSY;
uint32_t ticks_to_expire;
uint32_t ticks_current;
uint8_t ticker_id;
@ -3150,17 +3149,9 @@ static void mayfly_xtal_stop_calc(void *params)
ticks_to_expire = 0;
ret = ticker_next_slot_get(RADIO_TICKER_INSTANCE_ID_RADIO,
RADIO_TICKER_USER_ID_JOB, &ticker_id,
&ticks_current, &ticks_to_expire,
ticker_if_done, (void *)&ret_cb);
if (ret == TICKER_STATUS_BUSY) {
while (ret_cb == TICKER_STATUS_BUSY) {
ticker_job_sched(RADIO_TICKER_INSTANCE_ID_RADIO,
RADIO_TICKER_USER_ID_JOB);
}
}
LL_ASSERT(ret_cb == TICKER_STATUS_SUCCESS);
&ticks_current, &ticks_to_expire, NULL,
NULL);
LL_ASSERT(ret == TICKER_STATUS_SUCCESS);
if ((ticker_id != 0xff) &&
(ticks_to_expire <
@ -3350,23 +3341,13 @@ static void sched_after_mstr_free_slot_get(uint8_t user_id,
ticks_to_expire = ticks_to_expire_prev = *us_offset = 0;
ticks_slot_prev_abs = 0;
while (1) {
uint32_t volatile ret_cb = TICKER_STATUS_BUSY;
struct connection *conn;
uint32_t ret;
ret = ticker_next_slot_get(RADIO_TICKER_INSTANCE_ID_RADIO,
user_id, &ticker_id, ticks_anchor,
&ticks_to_expire, ticker_if_done,
(void *)&ret_cb);
if (ret == TICKER_STATUS_BUSY) {
while (ret_cb == TICKER_STATUS_BUSY) {
ticker_job_sched(RADIO_TICKER_INSTANCE_ID_RADIO,
user_id);
}
}
LL_ASSERT(ret_cb == TICKER_STATUS_SUCCESS);
&ticks_to_expire, NULL, NULL);
LL_ASSERT(ret == TICKER_STATUS_SUCCESS);
if (ticker_id == 0xff) {
break;
@ -3504,24 +3485,14 @@ static void sched_free_win_offset_calc(struct connection *conn_curr,
ticks_anchor_prev = offset_index = _win_offset = 0;
ticks_slot_prev_abs = 0;
do {
uint32_t volatile ret_cb = TICKER_STATUS_BUSY;
struct connection *conn;
uint32_t ret;
ret = ticker_next_slot_get(RADIO_TICKER_INSTANCE_ID_RADIO,
RADIO_TICKER_USER_ID_JOB,
&ticker_id, &ticks_anchor,
&ticks_to_expire, ticker_if_done,
(void *)&ret_cb);
if (ret == TICKER_STATUS_BUSY) {
while (ret_cb == TICKER_STATUS_BUSY) {
ticker_job_sched(RADIO_TICKER_INSTANCE_ID_RADIO,
RADIO_TICKER_USER_ID_JOB);
}
}
LL_ASSERT(ret_cb == TICKER_STATUS_SUCCESS);
&ticks_to_expire, NULL, NULL);
LL_ASSERT(ret == TICKER_STATUS_SUCCESS);
if (ticker_id == 0xff) {
break;