A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-12 15:49:17 -04:00
Code Issues Projects Releases Packages Wiki Activity

qcacld-3.0: Disable Runtime PM when dfs channels are used

Browse source 
During DFS scanning FW needs host access. Hence disable Runtime PM
to ensure link is active.

Change-Id: I307cec1c3e8451758bf2fa44a8dd43f257ab8780
CRs-Fixed: 1072520
This commit is contained in:
Komal Seelam 2016-09-29 12:39:08 +05:30 • committed by qcabuildsw
commit 81cb16678f
3 changed files with 21 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

1
core/hdd/inc/wlan_hdd_main.h
View file

@ -863,6 +863,7 @@ struct hdd_chan_change_params {
struct hdd_runtime_pm_context {
qdf_runtime_lock_t scan;
qdf_runtime_lock_t roc;
qdf_runtime_lock_t dfs;
};
/**

31
core/hdd/src/wlan_hdd_hostapd.c
View file

@ -149,14 +149,16 @@ static void hdd_hostapd_channel_allow_suspend(hdd_adapter_t *pAdapter,
if (pHostapdState->bssState == BSS_STOP)
return;
if (CHANNEL_STATE_DFS != cds_get_channel_state(channel))
return;
/* Release wakelock when no more DFS channels are used */
if (CHANNEL_STATE_DFS == cds_get_channel_state(channel)) {
if (atomic_dec_and_test(&pHddCtx->sap_dfs_ref_cnt)) {
hdd_err("DFS: allowing suspend (chan %d)",
channel);
qdf_wake_lock_release(&pHddCtx->sap_dfs_wakelock,
WIFI_POWER_EVENT_WAKELOCK_DFS);
}
if (atomic_dec_and_test(&pHddCtx->sap_dfs_ref_cnt)) {
hdd_err("DFS: allowing suspend (chan %d)", channel);
qdf_wake_lock_release(&pHddCtx->sap_dfs_wakelock,
WIFI_POWER_EVENT_WAKELOCK_DFS);
qdf_runtime_pm_allow_suspend(pHddCtx->runtime_context.dfs);
}
}
@ -185,14 +187,15 @@ static void hdd_hostapd_channel_prevent_suspend(hdd_adapter_t *pAdapter,
(atomic_read(&pHddCtx->sap_dfs_ref_cnt) >= 1))
return;
if (CHANNEL_STATE_DFS != cds_get_channel_state(channel))
return;
/* Acquire wakelock if we have at least one DFS channel in use */
if (CHANNEL_STATE_DFS == cds_get_channel_state(channel)) {
if (atomic_inc_return(&pHddCtx->sap_dfs_ref_cnt) == 1) {
hdd_err("DFS: preventing suspend (chan %d)",
channel);
qdf_wake_lock_acquire(&pHddCtx->sap_dfs_wakelock,
WIFI_POWER_EVENT_WAKELOCK_DFS);
}
if (atomic_inc_return(&pHddCtx->sap_dfs_ref_cnt) == 1) {
hdd_err("DFS: preventing suspend (chan %d)", channel);
qdf_runtime_pm_prevent_suspend(pHddCtx->runtime_context.dfs);
qdf_wake_lock_acquire(&pHddCtx->sap_dfs_wakelock,
WIFI_POWER_EVENT_WAKELOCK_DFS);
}
}

3
core/hdd/src/wlan_hdd_main.c
View file

@ -2464,6 +2464,7 @@ static void hdd_runtime_suspend_context_init(hdd_context_t *hdd_ctx)
ctx->scan = qdf_runtime_lock_init("scan");
ctx->roc = qdf_runtime_lock_init("roc");
ctx->dfs = qdf_runtime_lock_init("dfs");
}
/**
@ -2480,6 +2481,8 @@ static void hdd_runtime_suspend_context_deinit(hdd_context_t *hdd_ctx)
ctx->scan = NULL;
qdf_runtime_lock_deinit(ctx->roc);
ctx->roc = NULL;
qdf_runtime_lock_deinit(ctx->dfs);
ctx->dfs = NULL;
}
static void hdd_adapter_runtime_suspend_init(hdd_adapter_t *adapter)