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Commit 03d25382 authored by Dundi Raviteja's avatar Dundi Raviteja
Browse files

wlan: use spin_lock and spin_unlock for smd response data 

spin_lock and spin_unlock to synchronise smd response data
instead of spin_lock_bh and spin_unlock_bh as these are not
triggered in user context.

Change-Id: If9fa415e2675d7c25a91b8f92b5e5a400e8a3051
CRs-Fixed: 2733663
parent 33c65e8a

CORE/WDI/TRP/CTS/src/wlan_qct_wdi_cts.c

+5 −5
Original line number Diff line number Diff line
@@ -242,16 +242,16 @@ WCTS_PALReadCallback 
   /* iterate until no more packets are available */

   while (1) {

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0))

      spin_lock_bh(&pWCTSCb->wctsDataMsg.data_queue_lock);

      spin_lock(&pWCTSCb->wctsDataMsg.data_queue_lock);

      if (list_empty(&pWCTSCb->wctsDataMsg.data_queue)) {

	      spin_unlock_bh(&pWCTSCb->wctsDataMsg.data_queue_lock);

	      spin_unlock(&pWCTSCb->wctsDataMsg.data_queue_lock);

	      return;

      }



      msg = list_first_entry(&pWCTSCb->wctsDataMsg.data_queue,

                             struct data_msg, list);

      list_del(&msg->list);

      spin_unlock_bh(&pWCTSCb->wctsDataMsg.data_queue_lock);

      spin_unlock(&pWCTSCb->wctsDataMsg.data_queue_lock);



      buffer = msg->buffer;

      packet_size = msg->buf_len;
@@ -512,9 +512,9 @@ int WCTS_smd_resp_process(struct rpmsg_device *rpdev, 


	vos_mem_copy(msg->buffer, data, msg->buf_len);



	spin_lock_bh(&wcts_cb->wctsDataMsg.data_queue_lock);

	spin_lock(&wcts_cb->wctsDataMsg.data_queue_lock);

	list_add_tail(&msg->list, &wcts_cb->wctsDataMsg.data_queue);

	spin_unlock_bh(&wcts_cb->wctsDataMsg.data_queue_lock);

	spin_unlock(&wcts_cb->wctsDataMsg.data_queue_lock);



	wpalPostCtrlMsg(WDI_GET_PAL_CTX(), &wcts_cb->wctsDataMsg);