qcacld-3.0: Set ep vote access states during suspend and resume

Set ep vote states during wlan suspend and resume opeartions

Change-Id: I5da5fb69ca99ac1d9ecd82cc61cc106eeba8eb47
CRs-Fixed: 2939902
This commit is contained in:
Karthik Kantamneni 2021-04-30 14:45:38 +05:30 • committed by Madan Koyyalamudi
commit 13833d2d6e
2 changed files with 25 additions and 0 deletions

View file

@ -1171,6 +1171,12 @@ QDF_STATUS pmo_core_psoc_bus_runtime_suspend(struct wlan_objmgr_psoc *psoc,
hif_process_runtime_suspend_success(hif_ctx);
}
if (hif_try_prevent_ep_vote_access(hif_ctx)) {
pmo_debug("Prevent suspend, ep work pending");
status = QDF_STATUS_E_BUSY;
goto resume_txrx;
}
goto dec_psoc_ref;
resume_txrx:
@ -1330,12 +1336,22 @@ QDF_STATUS pmo_core_psoc_send_host_wakeup_ind_to_fw(
struct pmo_psoc_priv_obj *psoc_ctx)
{
QDF_STATUS status = QDF_STATUS_SUCCESS;
void *hif_ctx;
pmo_enter();
hif_ctx = pmo_core_psoc_get_hif_handle(psoc);
hif_set_ep_vote_access(hif_ctx,
HIF_EP_VOTE_NONDP_ACCESS,
HIF_EP_VOTE_ACCESS_ENABLE);
qdf_event_reset(&psoc_ctx->wow.target_resume);
status = pmo_tgt_psoc_send_host_wakeup_ind(psoc);
if (status) {
hif_set_ep_vote_access(hif_ctx,
HIF_EP_VOTE_NONDP_ACCESS,
HIF_EP_VOTE_ACCESS_DISABLE);
status = QDF_STATUS_E_FAILURE;
goto out;
}
@ -1355,6 +1371,9 @@ QDF_STATUS pmo_core_psoc_send_host_wakeup_ind_to_fw(
pmo_debug("Host wakeup received");
pmo_tgt_update_target_suspend_flag(psoc, false);
pmo_tgt_update_target_suspend_acked_flag(psoc, false);
hif_set_ep_vote_access(hif_ctx,
HIF_EP_VOTE_DP_ACCESS,
HIF_EP_VOTE_ACCESS_ENABLE);
}
out:
pmo_exit();

View file

@ -1237,6 +1237,12 @@ static int __wlan_hdd_bus_suspend(struct wow_enable_params wow_params)
goto resume_txrx;
}
if (hif_try_prevent_ep_vote_access(hif_ctx)) {
hdd_debug("Prevent suspend, ep work pending");
err = QDF_STATUS_E_BUSY;
goto resume_txrx;
}
/*
* Remove bus votes at the very end, after making sure there are no
* pending bus transactions from WLAN SOC for TX/RX.