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Commit 71adcb31 authored by Prashanth Bhatta's avatar Prashanth Bhatta
Browse files

icnss: Ignore PD down if WLAN FW doesn't exists 



During Modem SSR, PD down notification gets notified by
service-notifier. There are cases where in WLAN firmware may not
be available on Modem side. Handle PD down notification
gracefully in case WLAN firmware doesn't exists.

CRs-fixed: 1072772
Change-Id: Ibfe29a3950fabfcf8baa5d08b15e0f056dcc1f2a
Signed-off-by: default avatarPrashanth Bhatta <bhattap@codeaurora.org>
parent 4448b911

drivers/soc/qcom/icnss.c

+8 −0
Original line number Diff line number Diff line
@@ -297,6 +297,7 @@ enum icnss_driver_state { 
	ICNSS_PDR_ENABLED,

	ICNSS_PD_RESTART,

	ICNSS_MSA0_ASSIGNED,

	ICNSS_WLFW_EXISTS,

};



struct ce_irq_list {
@@ -2214,6 +2215,8 @@ static int icnss_driver_event_server_arrive(void *data) 
	if (!penv)

		return -ENODEV;



	set_bit(ICNSS_WLFW_EXISTS, &penv->state);



	penv->wlfw_clnt = qmi_handle_create(icnss_qmi_wlfw_clnt_notify, penv);

	if (!penv->wlfw_clnt) {

		icnss_pr_err("QMI client handle create failed\n");
@@ -2512,6 +2515,9 @@ static int icnss_driver_event_pd_service_down(struct icnss_priv *priv, 
	int ret = 0;

	struct icnss_event_pd_service_down_data *event_data = data;



	if (!test_bit(ICNSS_WLFW_EXISTS, &priv->state))

		return 0;



	if (test_bit(ICNSS_PD_RESTART, &priv->state)) {

		icnss_pr_err("PD Down while recovery inprogress, crashed: %d, state: 0x%lx\n",

			     event_data->crashed, priv->state);
@@ -3832,6 +3838,8 @@ static int icnss_stats_show_state(struct seq_file *s, struct icnss_priv *priv) 
		case ICNSS_MSA0_ASSIGNED:

			seq_puts(s, "MSA0 ASSIGNED");

			continue;

		case ICNSS_WLFW_EXISTS:

			continue;

		}



		seq_printf(s, "UNKNOWN-%d", i);