qcacld-3.0: Runtime puts for HTT messages

HTT messages do not have a tx complete and should
have their runtime puts done when the firmware response
come.  Tag messages without responses so that the
put can be done after issuing the message.  Also do
runtime put in error case.

Change-Id: I7253ace95ca6bb4fa17bc6d82ec52fc598d17712
CRs-Fixed: 935300

core/dp/htt/htt_h2t.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011-2015 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2011-2016 The Linux Foundation. All rights reserved.
  *
  * Previously licensed under the ISC license by Qualcomm Atheros, Inc.
  *
@@ -417,7 +417,7 @@ A_STATUS htt_h2t_rx_ring_cfg_msg_ll(struct htt_pdev_t *pdev)
 			       cdf_nbuf_data(msg),
 			       cdf_nbuf_len(msg),
 			       pdev->htc_endpoint,
-			       1); /* tag - not relevant here */
+			       HTC_TX_PACKET_TAG_RUNTIME_PUT);
 
 	SET_HTC_PACKET_NET_BUF_CONTEXT(&pkt->htc_pkt, msg);
 
@@ -439,6 +439,7 @@ htt_h2t_dbg_stats_get(struct htt_pdev_t *pdev,
 	struct htt_htc_pkt *pkt;
 	cdf_nbuf_t msg;
 	uint32_t *msg_word;
+	uint16_t htc_tag = 1;
 
 	pkt = htt_htc_pkt_alloc(pdev);
 	if (!pkt)
@@ -452,6 +453,9 @@ htt_h2t_dbg_stats_get(struct htt_pdev_t *pdev,
 		return -EINVAL;      /* failure */
 	}
 
+	if (stats_type_reset_mask)
+		htc_tag = HTC_TX_PACKET_TAG_RUNTIME_PUT;
+
 	/* show that this is not a tx frame download
 	 * (not required, but helpful)
 	 */
@@ -503,7 +507,7 @@ htt_h2t_dbg_stats_get(struct htt_pdev_t *pdev,
 			       cdf_nbuf_data(msg),
 			       cdf_nbuf_len(msg),
 			       pdev->htc_endpoint,
-			       1); /* tag - not relevant here */
+			       htc_tag); /* tag - not relevant here */
 
 	SET_HTC_PACKET_NET_BUF_CONTEXT(&pkt->htc_pkt, msg);
 
@@ -559,7 +563,7 @@ A_STATUS htt_h2t_sync_msg(struct htt_pdev_t *pdev, uint8_t sync_cnt)
 			       cdf_nbuf_data(msg),
 			       cdf_nbuf_len(msg),
 			       pdev->htc_endpoint,
-			       1); /* tag - not relevant here */
+			       HTC_TX_PACKET_TAG_RUNTIME_PUT);
 
 	SET_HTC_PACKET_NET_BUF_CONTEXT(&pkt->htc_pkt, msg);
 
@@ -626,7 +630,7 @@ htt_h2t_aggr_cfg_msg(struct htt_pdev_t *pdev,
 			       cdf_nbuf_data(msg),
 			       cdf_nbuf_len(msg),
 			       pdev->htc_endpoint,
-			       1); /* tag - not relevant here */
+			       HTC_TX_PACKET_TAG_RUNTIME_PUT);
 
 	SET_HTC_PACKET_NET_BUF_CONTEXT(&pkt->htc_pkt, msg);
 
@@ -733,7 +737,7 @@ int htt_h2t_ipa_uc_rsc_cfg_msg(struct htt_pdev_t *pdev)
 			       cdf_nbuf_data(msg),
 			       cdf_nbuf_len(msg),
 			       pdev->htc_endpoint,
-			       1); /* tag - not relevant here */
+			       HTC_TX_PACKET_TAG_RUNTIME_PUT);
 
 	SET_HTC_PACKET_NET_BUF_CONTEXT(&pkt->htc_pkt, msg);
 

core/dp/htt/htt_t2h.c

@@ -141,6 +141,7 @@ void htt_t2h_lp_msg_handler(void *context, cdf_nbuf_t htt_t2h_msg)
 	switch (msg_type) {
 	case HTT_T2H_MSG_TYPE_VERSION_CONF:
 	{
+		cdf_runtime_pm_put();
 		pdev->tgt_ver.major = HTT_VER_CONF_MAJOR_GET(*msg_word);
 		pdev->tgt_ver.minor = HTT_VER_CONF_MINOR_GET(*msg_word);
 		cdf_print
@@ -287,6 +288,7 @@ void htt_t2h_lp_msg_handler(void *context, cdf_nbuf_t htt_t2h_msg)
 			ol_tx_single_completion_handler(pdev->txrx_pdev,
 							compl_msg->status,
 							compl_msg->desc_id);
+			cdf_runtime_pm_put();
 			HTT_TX_SCHED(pdev);
 		} else {
 			cdf_print("Ignoring HTT_T2H_MSG_TYPE_MGMT_TX_COMPL_IND indication\n");
@@ -302,6 +304,7 @@ void htt_t2h_lp_msg_handler(void *context, cdf_nbuf_t htt_t2h_msg)
 		cookie |= ((uint64_t) (*(msg_word + 2))) << 32;
 
 		stats_info_list = (uint8_t *) (msg_word + 3);
+		cdf_runtime_pm_put();
 		ol_txrx_fw_stats_handler(pdev->txrx_pdev, cookie,
 					 stats_info_list);
 		break;
@@ -357,6 +360,7 @@ void htt_t2h_lp_msg_handler(void *context, cdf_nbuf_t htt_t2h_msg)
 		uint8_t *op_msg_buffer;
 		uint8_t *msg_start_ptr;
 
+		cdf_runtime_pm_put();
 		msg_start_ptr = (uint8_t *) msg_word;
 		op_code =
 			HTT_WDI_IPA_OP_RESPONSE_OP_CODE_GET(*msg_word);

core/htc/htc_packet.h

@@ -75,6 +75,10 @@ typedef struct _HTC_TX_PACKET_INFO {
 #define HTC_TX_PACKET_TAG_BUNDLED      (HTC_TX_PACKET_TAG_USER_DEFINED + 1)
 #define HTC_TX_PACKET_TAG_AUTO_PM      (HTC_TX_PACKET_TAG_USER_DEFINED + 2)
 
+/* Tag packet for runtime put after sending */
+#define HTC_TX_PACKET_TAG_RUNTIME_PUT  (HTC_TX_PACKET_TAG_USER_DEFINED + 3)
+
+
 #define HTC_TX_PACKET_FLAG_FIXUP_NETBUF (1 << 0)
 
 typedef struct _HTC_RX_PACKET_INFO {

core/htc/htc_send.c

@@ -577,6 +577,13 @@ static A_STATUS htc_issue_packets(HTC_TARGET *target,
 			break;
 		}
 
+		/*
+		 * For HTT messages without a response from fw,
+		 *   do the runtime put here.
+		 * otherwise runtime put will be done when the fw response comes
+		 */
+		if (pPacket->PktInfo.AsTx.Tag == HTC_TX_PACKET_TAG_RUNTIME_PUT)
+			hif_pm_runtime_put(target->hif_dev);
 	}
 	if (cdf_unlikely(A_FAILED(status))) {
 #if defined(HIF_USB)