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Commit c1f5dcc5 authored by Anurag Chouhan's avatar Anurag Chouhan
Browse files

icnss: Send FW Down indication to WLAN host driver 



If FW is down irrespective of crash, a uevent
is sent to wlan host driver to indicate FW is down.

Change-Id: I9fe2a2a11178f72ea27150d74d93a1e411eac030
CRs-fixed: 2027902
Signed-off-by: default avatarHardik Kantilal Patel <hkpatel@codeaurora.org>
Signed-off-by: default avatarAnurag Chouhan <achouhan@codeaurora.org>
parent 92124c76

drivers/soc/qcom/icnss.c

+28 −17
Original line number Diff line number Diff line
@@ -1763,11 +1763,29 @@ static void icnss_qmi_wlfw_clnt_notify(struct qmi_handle *handle, 
	}

}



static int icnss_call_driver_uevent(struct icnss_priv *priv,

				    enum icnss_uevent uevent, void *data)

{

	struct icnss_uevent_data uevent_data;



	if (!priv->ops || !priv->ops->uevent)

		return 0;



	icnss_pr_dbg("Calling driver uevent state: 0x%lx, uevent: %d\n",

		     priv->state, uevent);



	uevent_data.uevent = uevent;

	uevent_data.data = data;



	return priv->ops->uevent(&priv->pdev->dev, &uevent_data);

}



static void icnss_qmi_wlfw_clnt_ind(struct qmi_handle *handle,

			  unsigned int msg_id, void *msg,

			  unsigned int msg_len, void *ind_cb_priv)

{

	struct icnss_event_pd_service_down_data *event_data;

	struct icnss_uevent_fw_down_data fw_down_data;



	if (!penv)

		return;
@@ -1799,6 +1817,9 @@ static void icnss_qmi_wlfw_clnt_ind(struct qmi_handle *handle, 
			return;

		event_data->crashed = true;

		event_data->fw_rejuvenate = true;

		fw_down_data.crashed = true;

		icnss_call_driver_uevent(penv, ICNSS_UEVENT_FW_DOWN,

					 &fw_down_data);

		icnss_driver_event_post(ICNSS_DRIVER_EVENT_PD_SERVICE_DOWN,

					0, event_data);

		break;
@@ -1912,23 +1933,6 @@ static int icnss_driver_event_server_exit(void *data) 
	return 0;

}



static int icnss_call_driver_uevent(struct icnss_priv *priv,

				    enum icnss_uevent uevent, void *data)

{

	struct icnss_uevent_data uevent_data;



	if (!priv->ops || !priv->ops->uevent)

		return 0;



	icnss_pr_dbg("Calling driver uevent state: 0x%lx, uevent: %d\n",

		     priv->state, uevent);



	uevent_data.uevent = uevent;

	uevent_data.data = data;



	return priv->ops->uevent(&priv->pdev->dev, &uevent_data);

}



static int icnss_call_driver_probe(struct icnss_priv *priv)

{

	int ret;
@@ -2308,6 +2312,7 @@ static int icnss_modem_notifier_nb(struct notifier_block *nb, 
	struct notif_data *notif = data;

	struct icnss_priv *priv = container_of(nb, struct icnss_priv,

					       modem_ssr_nb);

	struct icnss_uevent_fw_down_data fw_down_data;



	icnss_pr_dbg("Modem-Notify: event %lu\n", code);
@@ -2340,6 +2345,9 @@ static int icnss_modem_notifier_nb(struct notifier_block *nb, 
	if (notif->crashed == CRASH_STATUS_WDOG_BITE)

		event_data->wdog_bite = true;



	fw_down_data.crashed = !!notif->crashed;

	icnss_call_driver_uevent(priv, ICNSS_UEVENT_FW_DOWN, &fw_down_data);



	icnss_driver_event_post(ICNSS_DRIVER_EVENT_PD_SERVICE_DOWN,

				ICNSS_EVENT_SYNC, event_data);
@@ -2403,6 +2411,7 @@ static int icnss_service_notifier_notify(struct notifier_block *nb, 
					       service_notifier_nb);

	enum pd_subsys_state *state = data;

	struct icnss_event_pd_service_down_data *event_data;

	struct icnss_uevent_fw_down_data fw_down_data;



	icnss_pr_dbg("PD service notification: 0x%lx state: 0x%lx\n",

		     notification, priv->state);
@@ -2438,6 +2447,8 @@ static int icnss_service_notifier_notify(struct notifier_block *nb, 
event_post:

	icnss_ignore_qmi_timeout(true);



	fw_down_data.crashed = event_data->crashed;

	icnss_call_driver_uevent(priv, ICNSS_UEVENT_FW_DOWN, &fw_down_data);

	icnss_driver_event_post(ICNSS_DRIVER_EVENT_PD_SERVICE_DOWN,

				ICNSS_EVENT_SYNC, event_data);

done:

include/soc/qcom/icnss.h

+5 −0
Original line number Diff line number Diff line
@@ -20,6 +20,11 @@ 
enum icnss_uevent {

	ICNSS_UEVENT_FW_READY,

	ICNSS_UEVENT_FW_CRASHED,

	ICNSS_UEVENT_FW_DOWN,

};



struct icnss_uevent_fw_down_data {

	bool crashed;

};



struct icnss_uevent_data {