ath6kl: Wait for host sleep mode cmd processed event during WOW suspend
For every WMI_SET_HOST_SLEEP_MODE_CMDID command (send from the host),
the firmware sends WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID as
an acknowledgement to the host.
In order to being sync with the firmware, the host has to wait for
WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENT event before going to
the suspend state. This patch ensures ath6kl_wow_suspend() waits
until it gets this event after sending set host sleep mode command.
This patch adds,
* New command WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID in
WMI event table.
* New WMI function ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx()
to process the event.
* New flag HOST_SLEEP_MODE_CMD_PROCESSED in VIF flags to record
the arrival of the event.
Signed-off-by: Raja Mani <rmani@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
diff --git a/drivers/net/wireless/ath/ath6kl/wmi.c b/drivers/net/wireless/ath/ath6kl/wmi.c
index 9c8e4df..18fa9aa 100644
--- a/drivers/net/wireless/ath/ath6kl/wmi.c
+++ b/drivers/net/wireless/ath/ath6kl/wmi.c
@@ -2590,6 +2590,18 @@
return ret;
}
+/* This command has zero length payload */
+static int ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(struct wmi *wmi,
+ struct ath6kl_vif *vif)
+{
+ struct ath6kl *ar = wmi->parent_dev;
+
+ set_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
+ wake_up(&ar->event_wq);
+
+ return 0;
+}
+
int ath6kl_wmi_set_wow_mode_cmd(struct wmi *wmi, u8 if_idx,
enum ath6kl_wow_mode wow_mode,
u32 filter, u16 host_req_delay)
@@ -3556,6 +3568,11 @@
ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_TX_COMPLETE_EVENTID\n");
ret = ath6kl_wmi_tx_complete_event_rx(datap, len);
break;
+ case WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID:
+ ath6kl_dbg(ATH6KL_DBG_WMI,
+ "WMI_SET_HOST_SLEEP_MODE_CMD_PROCESSED_EVENTID");
+ ret = ath6kl_wmi_host_sleep_mode_cmd_prcd_evt_rx(wmi, vif);
+ break;
case WMI_REMAIN_ON_CHNL_EVENTID:
ath6kl_dbg(ATH6KL_DBG_WMI, "WMI_REMAIN_ON_CHNL_EVENTID\n");
ret = ath6kl_wmi_remain_on_chnl_event_rx(wmi, datap, len, vif);