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path: root/drivers/net/wireless/ath/ath11k/core.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath11k/core.c')
-rw-r--r--drivers/net/wireless/ath/ath11k/core.c127
1 files changed, 91 insertions, 36 deletions
diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/ath/ath11k/core.c
index c78bce19bd75..3cc817a3b4a4 100644
--- a/drivers/net/wireless/ath/ath11k/core.c
+++ b/drivers/net/wireless/ath/ath11k/core.c
@@ -247,7 +247,10 @@ static const struct ath11k_hw_params ath11k_hw_params[] = {
},
.interface_modes = BIT(NL80211_IFTYPE_STATION) |
- BIT(NL80211_IFTYPE_AP),
+ BIT(NL80211_IFTYPE_AP) |
+ BIT(NL80211_IFTYPE_P2P_DEVICE) |
+ BIT(NL80211_IFTYPE_P2P_CLIENT) |
+ BIT(NL80211_IFTYPE_P2P_GO),
.supports_monitor = false,
.full_monitor_mode = false,
.supports_shadow_regs = true,
@@ -416,7 +419,10 @@ static const struct ath11k_hw_params ath11k_hw_params[] = {
},
.interface_modes = BIT(NL80211_IFTYPE_STATION) |
- BIT(NL80211_IFTYPE_AP),
+ BIT(NL80211_IFTYPE_AP) |
+ BIT(NL80211_IFTYPE_P2P_DEVICE) |
+ BIT(NL80211_IFTYPE_P2P_CLIENT) |
+ BIT(NL80211_IFTYPE_P2P_GO),
.supports_monitor = false,
.full_monitor_mode = false,
.supports_shadow_regs = true,
@@ -501,7 +507,10 @@ static const struct ath11k_hw_params ath11k_hw_params[] = {
},
.interface_modes = BIT(NL80211_IFTYPE_STATION) |
- BIT(NL80211_IFTYPE_AP),
+ BIT(NL80211_IFTYPE_AP) |
+ BIT(NL80211_IFTYPE_P2P_DEVICE) |
+ BIT(NL80211_IFTYPE_P2P_CLIENT) |
+ BIT(NL80211_IFTYPE_P2P_GO),
.supports_monitor = false,
.supports_shadow_regs = true,
.idle_ps = true,
@@ -750,7 +759,10 @@ static const struct ath11k_hw_params ath11k_hw_params[] = {
},
.interface_modes = BIT(NL80211_IFTYPE_STATION) |
- BIT(NL80211_IFTYPE_AP),
+ BIT(NL80211_IFTYPE_AP) |
+ BIT(NL80211_IFTYPE_P2P_DEVICE) |
+ BIT(NL80211_IFTYPE_P2P_CLIENT) |
+ BIT(NL80211_IFTYPE_P2P_GO),
.supports_monitor = false,
.full_monitor_mode = false,
.supports_shadow_regs = true,
@@ -894,12 +906,6 @@ int ath11k_core_suspend(struct ath11k_base *ab)
return ret;
}
- ret = ath11k_wow_enable(ab);
- if (ret) {
- ath11k_warn(ab, "failed to enable wow during suspend: %d\n", ret);
- return ret;
- }
-
ret = ath11k_dp_rx_pktlog_stop(ab, false);
if (ret) {
ath11k_warn(ab, "failed to stop dp rx pktlog during suspend: %d\n",
@@ -910,29 +916,85 @@ int ath11k_core_suspend(struct ath11k_base *ab)
ath11k_ce_stop_shadow_timers(ab);
ath11k_dp_stop_shadow_timers(ab);
+ /* PM framework skips suspend_late/resume_early callbacks
+ * if other devices report errors in their suspend callbacks.
+ * However ath11k_core_resume() would still be called because
+ * here we return success thus kernel put us on dpm_suspended_list.
+ * Since we won't go through a power down/up cycle, there is
+ * no chance to call complete(&ab->restart_completed) in
+ * ath11k_core_restart(), making ath11k_core_resume() timeout.
+ * So call it here to avoid this issue. This also works in case
+ * no error happens thus suspend_late/resume_early get called,
+ * because it will be reinitialized in ath11k_core_resume_early().
+ */
+ complete(&ab->restart_completed);
+
+ return 0;
+}
+EXPORT_SYMBOL(ath11k_core_suspend);
+
+int ath11k_core_suspend_late(struct ath11k_base *ab)
+{
+ struct ath11k_pdev *pdev;
+ struct ath11k *ar;
+
+ if (!ab->hw_params.supports_suspend)
+ return -EOPNOTSUPP;
+
+ /* so far single_pdev_only chips have supports_suspend as true
+ * and only the first pdev is valid.
+ */
+ pdev = ath11k_core_get_single_pdev(ab);
+ ar = pdev->ar;
+ if (!ar || ar->state != ATH11K_STATE_OFF)
+ return 0;
+
ath11k_hif_irq_disable(ab);
ath11k_hif_ce_irq_disable(ab);
- ret = ath11k_hif_suspend(ab);
- if (ret) {
- ath11k_warn(ab, "failed to suspend hif: %d\n", ret);
- return ret;
- }
+ ath11k_hif_power_down(ab, true);
return 0;
}
-EXPORT_SYMBOL(ath11k_core_suspend);
+EXPORT_SYMBOL(ath11k_core_suspend_late);
+
+int ath11k_core_resume_early(struct ath11k_base *ab)
+{
+ int ret;
+ struct ath11k_pdev *pdev;
+ struct ath11k *ar;
+
+ if (!ab->hw_params.supports_suspend)
+ return -EOPNOTSUPP;
+
+ /* so far single_pdev_only chips have supports_suspend as true
+ * and only the first pdev is valid.
+ */
+ pdev = ath11k_core_get_single_pdev(ab);
+ ar = pdev->ar;
+ if (!ar || ar->state != ATH11K_STATE_OFF)
+ return 0;
+
+ reinit_completion(&ab->restart_completed);
+ ret = ath11k_hif_power_up(ab);
+ if (ret)
+ ath11k_warn(ab, "failed to power up hif during resume: %d\n", ret);
+
+ return ret;
+}
+EXPORT_SYMBOL(ath11k_core_resume_early);
int ath11k_core_resume(struct ath11k_base *ab)
{
int ret;
struct ath11k_pdev *pdev;
struct ath11k *ar;
+ long time_left;
if (!ab->hw_params.supports_suspend)
return -EOPNOTSUPP;
- /* so far signle_pdev_only chips have supports_suspend as true
+ /* so far single_pdev_only chips have supports_suspend as true
* and only the first pdev is valid.
*/
pdev = ath11k_core_get_single_pdev(ab);
@@ -940,29 +1002,19 @@ int ath11k_core_resume(struct ath11k_base *ab)
if (!ar || ar->state != ATH11K_STATE_OFF)
return 0;
- ret = ath11k_hif_resume(ab);
- if (ret) {
- ath11k_warn(ab, "failed to resume hif during resume: %d\n", ret);
- return ret;
+ time_left = wait_for_completion_timeout(&ab->restart_completed,
+ ATH11K_RESET_TIMEOUT_HZ);
+ if (time_left == 0) {
+ ath11k_warn(ab, "timeout while waiting for restart complete");
+ return -ETIMEDOUT;
}
- ath11k_hif_ce_irq_enable(ab);
- ath11k_hif_irq_enable(ab);
-
ret = ath11k_dp_rx_pktlog_start(ab);
- if (ret) {
+ if (ret)
ath11k_warn(ab, "failed to start rx pktlog during resume: %d\n",
ret);
- return ret;
- }
- ret = ath11k_wow_wakeup(ab);
- if (ret) {
- ath11k_warn(ab, "failed to wakeup wow during resume: %d\n", ret);
- return ret;
- }
-
- return 0;
+ return ret;
}
EXPORT_SYMBOL(ath11k_core_resume);
@@ -2060,6 +2112,8 @@ static void ath11k_core_restart(struct work_struct *work)
if (!ab->is_reset)
ath11k_core_post_reconfigure_recovery(ab);
+
+ complete(&ab->restart_completed);
}
static void ath11k_core_reset(struct work_struct *work)
@@ -2129,7 +2183,7 @@ static void ath11k_core_reset(struct work_struct *work)
ath11k_hif_irq_disable(ab);
ath11k_hif_ce_irq_disable(ab);
- ath11k_hif_power_down(ab);
+ ath11k_hif_power_down(ab, false);
ath11k_hif_power_up(ab);
ath11k_dbg(ab, ATH11K_DBG_BOOT, "reset started\n");
@@ -2202,7 +2256,7 @@ void ath11k_core_deinit(struct ath11k_base *ab)
mutex_unlock(&ab->core_lock);
- ath11k_hif_power_down(ab);
+ ath11k_hif_power_down(ab, false);
ath11k_mac_destroy(ab);
ath11k_core_soc_destroy(ab);
ath11k_fw_destroy(ab);
@@ -2255,6 +2309,7 @@ struct ath11k_base *ath11k_core_alloc(struct device *dev, size_t priv_size,
timer_setup(&ab->rx_replenish_retry, ath11k_ce_rx_replenish_retry, 0);
init_completion(&ab->htc_suspend);
init_completion(&ab->wow.wakeup_completed);
+ init_completion(&ab->restart_completed);
ab->dev = dev;
ab->hif.bus = bus;