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path: root/drivers/net/wireless/intel/iwlwifi/iwl-trans.h
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/iwl-trans.h')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/iwl-trans.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h
index 0cd69cd98cd6..77ae7fa3053e 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h
@@ -248,6 +248,8 @@ static inline u32 iwl_rx_packet_payload_len(const struct iwl_rx_packet *pkt)
* @CMD_MAKE_TRANS_IDLE: The command response should mark the trans as idle.
* @CMD_WAKE_UP_TRANS: The command response should wake up the trans
* (i.e. mark it as non-idle).
+ * @CMD_WANT_ASYNC_CALLBACK: the op_mode's async callback function must be
+ * called after this command completes. Valid only with CMD_ASYNC.
* @CMD_TB_BITMAP_POS: Position of the first bit for the TB bitmap. We need to
* check that we leave enough room for the TBs bitmap which needs 20 bits.
*/
@@ -259,6 +261,7 @@ enum CMD_MODE {
CMD_SEND_IN_IDLE = BIT(4),
CMD_MAKE_TRANS_IDLE = BIT(5),
CMD_WAKE_UP_TRANS = BIT(6),
+ CMD_WANT_ASYNC_CALLBACK = BIT(7),
CMD_TB_BITMAP_POS = 11,
};
@@ -903,6 +906,10 @@ static inline int iwl_trans_send_cmd(struct iwl_trans *trans,
return -EIO;
}
+ if (WARN_ON((cmd->flags & CMD_WANT_ASYNC_CALLBACK) &&
+ !(cmd->flags & CMD_ASYNC)))
+ return -EINVAL;
+
if (!(cmd->flags & CMD_ASYNC))
lock_map_acquire_read(&trans->sync_cmd_lockdep_map);