evie/android_kernel_oneplus_msm8998
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icnss: Send FW Down indication to WLAN host driver

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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: Hardik Kantilal Patel <hkpatel@codeaurora.org>
Signed-off-by: Anurag Chouhan <achouhan@codeaurora.org>
This commit is contained in:
Anurag Chouhan 2017-03-21 19:16:53 +05:30
parent 92124c76a2
commit c1f5dcc5e8
2 changed files with 33 additions and 17 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

45
drivers/soc/qcom/icnss.c
View file

@ -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:

5
include/soc/qcom/icnss.h
View file

@ -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 {