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qcacmn: Log runtime PM resume source

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It is very critical to know the source of who requests runtime
PM resume to debug all kinds of runtime PM related issues. Hence
log them accordingly.

Change-Id: I9551830b1cb567fd29e9d9bbec18705f9cc5e9ec
CRs-fixed: 2496481
This commit is contained in:
Yue Ma
2019-07-23 15:57:48 -07:00
committed by nshrivas
parent 41e3af09f7
commit 4986b2588b
4 changed files with 109 additions and 10 deletions
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64
htc/htc_send.c
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@@ -137,6 +137,34 @@ static void send_packet_completion(HTC_TARGET *target, HTC_PACKET *pPacket)
}
#ifdef FEATURE_RUNTIME_PM
/**
* log_packet_info() - Log HTC packet information
*
* @target: handle of HTC context
* @pPacket: handle of HTC packet
*
* Return: None
*/
static void log_packet_info(HTC_TARGET *target, HTC_PACKET *pPacket)
{
HTC_ENDPOINT *pEndpoint = &target->endpoint[pPacket->Endpoint];
HTC_EP_LOG_PKT ep_log_pkt;
qdf_nbuf_t netbuf = GET_HTC_PACKET_NET_BUF_CONTEXT(pPacket);
ep_log_pkt = pEndpoint->EpCallBacks.ep_log_pkt;
if (ep_log_pkt) {
qdf_nbuf_pull_head(netbuf, sizeof(HTC_FRAME_HDR));
ep_log_pkt(pEndpoint->EpCallBacks.pContext, pPacket);
qdf_nbuf_push_head(netbuf, sizeof(HTC_FRAME_HDR));
}
}
#else
static void log_packet_info(HTC_TARGET *target, HTC_PACKET *pPacket)
{
}
#endif
void htc_send_complete_check_cleanup(void *context)
{
HTC_ENDPOINT *pEndpoint = (HTC_ENDPOINT *) context;
@@ -782,6 +810,7 @@ static void get_htc_send_packets_credit_based(HTC_TARGET *target,
HTC_PACKET_QUEUE *tx_queue;
HTC_PACKET_QUEUE pm_queue;
bool do_pm_get = false;
int ret;
/*** NOTE : the TX lock is held when this function is called ***/
AR_DEBUG_PRINTF(ATH_DEBUG_SEND,
@@ -798,10 +827,19 @@ static void get_htc_send_packets_credit_based(HTC_TARGET *target,
/* loop until we can grab as many packets out of the queue as we can */
while (true) {
if (do_pm_get && hif_pm_runtime_get(target->hif_dev)) {
/* bus suspended, runtime resume issued */
QDF_ASSERT(HTC_PACKET_QUEUE_DEPTH(pQueue) == 0);
break;
if (do_pm_get) {
ret = hif_pm_runtime_get(target->hif_dev);
if (ret) {
/* bus suspended, runtime resume issued */
QDF_ASSERT(HTC_PACKET_QUEUE_DEPTH(pQueue) == 0);
if (ret == -EAGAIN) {
pPacket = htc_get_pkt_at_head(tx_queue);
if (!pPacket)
break;
log_packet_info(target, pPacket);
}
break;
}
}
sendFlags = 0;
@@ -912,6 +950,7 @@ static void get_htc_send_packets(HTC_TARGET *target,
HTC_PACKET_QUEUE *tx_queue;
HTC_PACKET_QUEUE pm_queue;
bool do_pm_get = false;
int ret;
/*** NOTE : the TX lock is held when this function is called ***/
AR_DEBUG_PRINTF(ATH_DEBUG_SEND,
@@ -930,10 +969,19 @@ static void get_htc_send_packets(HTC_TARGET *target,
while (Resources > 0) {
int num_frags;
if (do_pm_get && hif_pm_runtime_get(target->hif_dev)) {
/* bus suspended, runtime resume issued */
QDF_ASSERT(HTC_PACKET_QUEUE_DEPTH(pQueue) == 0);
break;
if (do_pm_get) {
ret = hif_pm_runtime_get(target->hif_dev);
if (ret) {
/* bus suspended, runtime resume issued */
QDF_ASSERT(HTC_PACKET_QUEUE_DEPTH(pQueue) == 0);
if (ret == -EAGAIN) {
pPacket = htc_get_pkt_at_head(tx_queue);
if (!pPacket)
break;
log_packet_info(target, pPacket);
}
break;
}
}
pPacket = htc_packet_dequeue(tx_queue);