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qcacld-3.0: Remove target_lock from ce_h2t_tx_ce_cleanup

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No other thread should modify the copy engine indexes while we
are cleaning up the data structures.

Change-Id: I324286c3a8eed24ddd94aa868dbaac425cc30dbf
CRs-Fixed: 941355
This commit is contained in:
Houston Hoffman 2015-09-03 14:42:40 -07:00 • committed by Satish Singh
commit 5d2697f78d
1 changed files with 5 additions and 2 deletions
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7
core/hif/src/ce/ce_main.c
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@ -458,6 +458,11 @@ error_no_dma_mem:
* @ce_hdl: Cope engine handle
* Using an assert, this function makes sure that,
* the TX CE has been processed completely.
*
* This is called while dismantling CE structures. No other thread
* should be using these structures while dismantling is occuring
* therfore no locking is needed.
*
* Return: none
*/
void
@ -471,10 +476,8 @@ ce_h2t_tx_ce_cleanup(struct CE_handle *ce_hdl)
if (sc->fastpath_mode_on && (ce_state->id == CE_HTT_H2T_MSG)) {
HIF_INFO("%s %d Fastpath mode ON, Cleaning up HTT Tx CE\n",
__func__, __LINE__);
cdf_spin_lock_bh(&sc->target_lock);
sw_index = src_ring->sw_index;
write_index = src_ring->sw_index;
cdf_spin_unlock_bh(&sc->target_lock);
/* At this point Tx CE should be clean */
cdf_assert_always(sw_index == write_index);