diff mbox series

[1/6,OEM-6.1] UBUNTU: SAUCE: Revert "net: wwan: t7xx: Add AP CLDMA"

Message ID 20230116091504.1361157-4-vicamo.yang@canonical.com
State New
Headers show
Series [1/6,OEM-6.1] UBUNTU: SAUCE: Revert "net: wwan: t7xx: Add AP CLDMA" | expand

Commit Message

You-Sheng Yang Jan. 16, 2023, 9:14 a.m. UTC
From: "You-Sheng Yang (vicamo)" <vicamo.yang@canonical.com>

BugLink: https://bugs.launchpad.net/bugs/2002089

This reverts commit 11494809311ff053779c77e843707fae981febfd.

Change-Id: Iba2f9b541093b74e05ec86ff132ba4151a81bf72
Signed-off-by: You-Sheng Yang (vicamo) <vicamo.yang@canonical.com>
---
 drivers/net/wwan/t7xx/t7xx_hif_cldma.c     | 17 ++---
 drivers/net/wwan/t7xx/t7xx_hif_cldma.h     |  2 +-
 drivers/net/wwan/t7xx/t7xx_mhccif.h        |  1 -
 drivers/net/wwan/t7xx/t7xx_modem_ops.c     | 85 ++++------------------
 drivers/net/wwan/t7xx/t7xx_modem_ops.h     |  3 -
 drivers/net/wwan/t7xx/t7xx_port.h          |  8 +-
 drivers/net/wwan/t7xx/t7xx_port_ctrl_msg.c |  8 +-
 drivers/net/wwan/t7xx/t7xx_port_proxy.c    | 12 ---
 drivers/net/wwan/t7xx/t7xx_reg.h           |  2 +-
 drivers/net/wwan/t7xx/t7xx_state_monitor.c | 13 +---
 drivers/net/wwan/t7xx/t7xx_state_monitor.h |  2 -
 11 files changed, 28 insertions(+), 125 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/wwan/t7xx/t7xx_hif_cldma.c b/drivers/net/wwan/t7xx/t7xx_hif_cldma.c
index 4f56d8cc0aea..aec3a18d44bd 100644
--- a/drivers/net/wwan/t7xx/t7xx_hif_cldma.c
+++ b/drivers/net/wwan/t7xx/t7xx_hif_cldma.c
@@ -1066,18 +1066,13 @@  static void t7xx_hw_info_init(struct cldma_ctrl *md_ctrl)
 	struct t7xx_cldma_hw *hw_info = &md_ctrl->hw_info;
 	u32 phy_ao_base, phy_pd_base;
 
-	hw_info->hw_mode = MODE_BIT_64;
-
-	if (md_ctrl->hif_id == CLDMA_ID_MD) {
-		phy_ao_base = CLDMA1_AO_BASE;
-		phy_pd_base = CLDMA1_PD_BASE;
-		hw_info->phy_interrupt_id = CLDMA1_INT;
-	} else {
-		phy_ao_base = CLDMA0_AO_BASE;
-		phy_pd_base = CLDMA0_PD_BASE;
-		hw_info->phy_interrupt_id = CLDMA0_INT;
-	}
+	if (md_ctrl->hif_id != CLDMA_ID_MD)
+		return;
 
+	phy_ao_base = CLDMA1_AO_BASE;
+	phy_pd_base = CLDMA1_PD_BASE;
+	hw_info->phy_interrupt_id = CLDMA1_INT;
+	hw_info->hw_mode = MODE_BIT_64;
 	hw_info->ap_ao_base = t7xx_pcie_addr_transfer(pbase->pcie_ext_reg_base,
 						      pbase->pcie_dev_reg_trsl_addr, phy_ao_base);
 	hw_info->ap_pdn_base = t7xx_pcie_addr_transfer(pbase->pcie_ext_reg_base,
diff --git a/drivers/net/wwan/t7xx/t7xx_hif_cldma.h b/drivers/net/wwan/t7xx/t7xx_hif_cldma.h
index 4410bac6993a..47a35e552da7 100644
--- a/drivers/net/wwan/t7xx/t7xx_hif_cldma.h
+++ b/drivers/net/wwan/t7xx/t7xx_hif_cldma.h
@@ -34,7 +34,7 @@ 
 /**
  * enum cldma_id - Identifiers for CLDMA HW units.
  * @CLDMA_ID_MD: Modem control channel.
- * @CLDMA_ID_AP: Application Processor control channel.
+ * @CLDMA_ID_AP: Application Processor control channel (not used at the moment).
  * @CLDMA_NUM:   Number of CLDMA HW units available.
  */
 enum cldma_id {
diff --git a/drivers/net/wwan/t7xx/t7xx_mhccif.h b/drivers/net/wwan/t7xx/t7xx_mhccif.h
index 20c50dce9fc3..209b386bc088 100644
--- a/drivers/net/wwan/t7xx/t7xx_mhccif.h
+++ b/drivers/net/wwan/t7xx/t7xx_mhccif.h
@@ -25,7 +25,6 @@ 
 			 D2H_INT_EXCEPTION_CLEARQ_DONE |	\
 			 D2H_INT_EXCEPTION_ALLQ_RESET |		\
 			 D2H_INT_PORT_ENUM |			\
-			 D2H_INT_ASYNC_AP_HK |			\
 			 D2H_INT_ASYNC_MD_HK)
 
 void t7xx_mhccif_mask_set(struct t7xx_pci_dev *t7xx_dev, u32 val);
diff --git a/drivers/net/wwan/t7xx/t7xx_modem_ops.c b/drivers/net/wwan/t7xx/t7xx_modem_ops.c
index fb449a224401..7d0f5e4f0a78 100644
--- a/drivers/net/wwan/t7xx/t7xx_modem_ops.c
+++ b/drivers/net/wwan/t7xx/t7xx_modem_ops.c
@@ -44,7 +44,6 @@ 
 #include "t7xx_state_monitor.h"
 
 #define RT_ID_MD_PORT_ENUM	0
-#define RT_ID_AP_PORT_ENUM	1
 /* Modem feature query identification code - "ICCC" */
 #define MD_FEATURE_QUERY_ID	0x49434343
 
@@ -299,7 +298,6 @@  static void t7xx_md_exception(struct t7xx_modem *md, enum hif_ex_stage stage)
 	}
 
 	t7xx_cldma_exception(md->md_ctrl[CLDMA_ID_MD], stage);
-	t7xx_cldma_exception(md->md_ctrl[CLDMA_ID_AP], stage);
 
 	if (stage == HIF_EX_INIT)
 		t7xx_mhccif_h2d_swint_trigger(t7xx_dev, H2D_CH_EXCEPTION_ACK);
@@ -428,7 +426,7 @@  static int t7xx_parse_host_rt_data(struct t7xx_fsm_ctl *ctl, struct t7xx_sys_inf
 		if (ft_spt_st != MTK_FEATURE_MUST_BE_SUPPORTED)
 			return -EINVAL;
 
-		if (i == RT_ID_MD_PORT_ENUM || i == RT_ID_AP_PORT_ENUM)
+		if (i == RT_ID_MD_PORT_ENUM)
 			t7xx_port_enum_msg_handler(ctl->md, rt_feature->data);
 	}
 
@@ -458,12 +456,12 @@  static int t7xx_core_reset(struct t7xx_modem *md)
 	return 0;
 }
 
-static void t7xx_core_hk_handler(struct t7xx_modem *md, struct t7xx_sys_info *core_info,
-				 struct t7xx_fsm_ctl *ctl,
+static void t7xx_core_hk_handler(struct t7xx_modem *md, struct t7xx_fsm_ctl *ctl,
 				 enum t7xx_fsm_event_state event_id,
 				 enum t7xx_fsm_event_state err_detect)
 {
 	struct t7xx_fsm_event *event = NULL, *event_next;
+	struct t7xx_sys_info *core_info = &md->core_md;
 	struct device *dev = &md->t7xx_dev->pdev->dev;
 	unsigned long flags;
 	int ret;
@@ -533,33 +531,19 @@  static void t7xx_md_hk_wq(struct work_struct *work)
 	t7xx_cldma_start(md->md_ctrl[CLDMA_ID_MD]);
 	t7xx_fsm_broadcast_state(ctl, MD_STATE_WAITING_FOR_HS2);
 	md->core_md.handshake_ongoing = true;
-	t7xx_core_hk_handler(md, &md->core_md, ctl, FSM_EVENT_MD_HS2, FSM_EVENT_MD_HS2_EXIT);
-}
-
-static void t7xx_ap_hk_wq(struct work_struct *work)
-{
-	struct t7xx_modem *md = container_of(work, struct t7xx_modem, ap_handshake_work);
-	struct t7xx_fsm_ctl *ctl = md->fsm_ctl;
-
-	 /* Clear the HS2 EXIT event appended in t7xx_core_reset(). */
-	t7xx_fsm_clr_event(ctl, FSM_EVENT_AP_HS2_EXIT);
-	t7xx_cldma_stop(md->md_ctrl[CLDMA_ID_AP]);
-	t7xx_cldma_switch_cfg(md->md_ctrl[CLDMA_ID_AP]);
-	t7xx_cldma_start(md->md_ctrl[CLDMA_ID_AP]);
-	md->core_ap.handshake_ongoing = true;
-	t7xx_core_hk_handler(md, &md->core_ap, ctl, FSM_EVENT_AP_HS2, FSM_EVENT_AP_HS2_EXIT);
+	t7xx_core_hk_handler(md, ctl, FSM_EVENT_MD_HS2, FSM_EVENT_MD_HS2_EXIT);
 }
 
 void t7xx_md_event_notify(struct t7xx_modem *md, enum md_event_id evt_id)
 {
 	struct t7xx_fsm_ctl *ctl = md->fsm_ctl;
+	void __iomem *mhccif_base;
 	unsigned int int_sta;
 	unsigned long flags;
 
 	switch (evt_id) {
 	case FSM_PRE_START:
-		t7xx_mhccif_mask_clr(md->t7xx_dev, D2H_INT_PORT_ENUM | D2H_INT_ASYNC_MD_HK |
-						   D2H_INT_ASYNC_AP_HK);
+		t7xx_mhccif_mask_clr(md->t7xx_dev, D2H_INT_PORT_ENUM);
 		break;
 
 	case FSM_START:
@@ -572,26 +556,16 @@  void t7xx_md_event_notify(struct t7xx_modem *md, enum md_event_id evt_id)
 			ctl->exp_flg = true;
 			md->exp_id &= ~D2H_INT_EXCEPTION_INIT;
 			md->exp_id &= ~D2H_INT_ASYNC_MD_HK;
-			md->exp_id &= ~D2H_INT_ASYNC_AP_HK;
 		} else if (ctl->exp_flg) {
 			md->exp_id &= ~D2H_INT_ASYNC_MD_HK;
-			md->exp_id &= ~D2H_INT_ASYNC_AP_HK;
+		} else if (md->exp_id & D2H_INT_ASYNC_MD_HK) {
+			queue_work(md->handshake_wq, &md->handshake_work);
+			md->exp_id &= ~D2H_INT_ASYNC_MD_HK;
+			mhccif_base = md->t7xx_dev->base_addr.mhccif_rc_base;
+			iowrite32(D2H_INT_ASYNC_MD_HK, mhccif_base + REG_EP2RC_SW_INT_ACK);
+			t7xx_mhccif_mask_set(md->t7xx_dev, D2H_INT_ASYNC_MD_HK);
 		} else {
-			void __iomem *mhccif_base = md->t7xx_dev->base_addr.mhccif_rc_base;
-
-			if (md->exp_id & D2H_INT_ASYNC_MD_HK) {
-				queue_work(md->handshake_wq, &md->handshake_work);
-				md->exp_id &= ~D2H_INT_ASYNC_MD_HK;
-				iowrite32(D2H_INT_ASYNC_MD_HK, mhccif_base + REG_EP2RC_SW_INT_ACK);
-				t7xx_mhccif_mask_set(md->t7xx_dev, D2H_INT_ASYNC_MD_HK);
-			}
-
-			if (md->exp_id & D2H_INT_ASYNC_AP_HK) {
-				queue_work(md->ap_handshake_wq, &md->ap_handshake_work);
-				md->exp_id &= ~D2H_INT_ASYNC_AP_HK;
-				iowrite32(D2H_INT_ASYNC_AP_HK, mhccif_base + REG_EP2RC_SW_INT_ACK);
-				t7xx_mhccif_mask_set(md->t7xx_dev, D2H_INT_ASYNC_AP_HK);
-			}
+			t7xx_mhccif_mask_clr(md->t7xx_dev, D2H_INT_ASYNC_MD_HK);
 		}
 		spin_unlock_irqrestore(&md->exp_lock, flags);
 
@@ -604,7 +578,6 @@  void t7xx_md_event_notify(struct t7xx_modem *md, enum md_event_id evt_id)
 
 	case FSM_READY:
 		t7xx_mhccif_mask_set(md->t7xx_dev, D2H_INT_ASYNC_MD_HK);
-		t7xx_mhccif_mask_set(md->t7xx_dev, D2H_INT_ASYNC_AP_HK);
 		break;
 
 	default:
@@ -656,19 +629,6 @@  static struct t7xx_modem *t7xx_md_alloc(struct t7xx_pci_dev *t7xx_dev)
 	md->core_md.feature_set[RT_ID_MD_PORT_ENUM] &= ~FEATURE_MSK;
 	md->core_md.feature_set[RT_ID_MD_PORT_ENUM] |=
 		FIELD_PREP(FEATURE_MSK, MTK_FEATURE_MUST_BE_SUPPORTED);
-
-	md->ap_handshake_wq = alloc_workqueue("%s", WQ_UNBOUND | WQ_MEM_RECLAIM | WQ_HIGHPRI,
-					      0, "ap_hk_wq");
-	if (!md->ap_handshake_wq) {
-		destroy_workqueue(md->handshake_wq);
-		return NULL;
-	}
-
-	INIT_WORK(&md->ap_handshake_work, t7xx_ap_hk_wq);
-	md->core_ap.feature_set[RT_ID_AP_PORT_ENUM] &= ~FEATURE_MSK;
-	md->core_ap.feature_set[RT_ID_AP_PORT_ENUM] |=
-		FIELD_PREP(FEATURE_MSK, MTK_FEATURE_MUST_BE_SUPPORTED);
-
 	return md;
 }
 
@@ -680,7 +640,6 @@  int t7xx_md_reset(struct t7xx_pci_dev *t7xx_dev)
 	md->exp_id = 0;
 	t7xx_fsm_reset(md);
 	t7xx_cldma_reset(md->md_ctrl[CLDMA_ID_MD]);
-	t7xx_cldma_reset(md->md_ctrl[CLDMA_ID_AP]);
 	t7xx_port_proxy_reset(md->port_prox);
 	md->md_init_finish = true;
 	return t7xx_core_reset(md);
@@ -710,10 +669,6 @@  int t7xx_md_init(struct t7xx_pci_dev *t7xx_dev)
 	if (ret)
 		goto err_destroy_hswq;
 
-	ret = t7xx_cldma_alloc(CLDMA_ID_AP, t7xx_dev);
-	if (ret)
-		goto err_destroy_hswq;
-
 	ret = t7xx_fsm_init(md);
 	if (ret)
 		goto err_destroy_hswq;
@@ -726,16 +681,12 @@  int t7xx_md_init(struct t7xx_pci_dev *t7xx_dev)
 	if (ret)
 		goto err_uninit_ccmni;
 
-	ret = t7xx_cldma_init(md->md_ctrl[CLDMA_ID_AP]);
-	if (ret)
-		goto err_uninit_md_cldma;
-
 	ret = t7xx_port_proxy_init(md);
 	if (ret)
-		goto err_uninit_ap_cldma;
+		goto err_uninit_md_cldma;
 
 	ret = t7xx_fsm_append_cmd(md->fsm_ctl, FSM_CMD_START, 0);
-	if (ret) /* t7xx_fsm_uninit() flushes cmd queue */
+	if (ret) /* fsm_uninit flushes cmd queue */
 		goto err_uninit_proxy;
 
 	t7xx_md_sys_sw_init(t7xx_dev);
@@ -745,9 +696,6 @@  int t7xx_md_init(struct t7xx_pci_dev *t7xx_dev)
 err_uninit_proxy:
 	t7xx_port_proxy_uninit(md->port_prox);
 
-err_uninit_ap_cldma:
-	t7xx_cldma_exit(md->md_ctrl[CLDMA_ID_AP]);
-
 err_uninit_md_cldma:
 	t7xx_cldma_exit(md->md_ctrl[CLDMA_ID_MD]);
 
@@ -759,7 +707,6 @@  int t7xx_md_init(struct t7xx_pci_dev *t7xx_dev)
 
 err_destroy_hswq:
 	destroy_workqueue(md->handshake_wq);
-	destroy_workqueue(md->ap_handshake_wq);
 	dev_err(&t7xx_dev->pdev->dev, "Modem init failed\n");
 	return ret;
 }
@@ -775,10 +722,8 @@  void t7xx_md_exit(struct t7xx_pci_dev *t7xx_dev)
 
 	t7xx_fsm_append_cmd(md->fsm_ctl, FSM_CMD_PRE_STOP, FSM_CMD_FLAG_WAIT_FOR_COMPLETION);
 	t7xx_port_proxy_uninit(md->port_prox);
-	t7xx_cldma_exit(md->md_ctrl[CLDMA_ID_AP]);
 	t7xx_cldma_exit(md->md_ctrl[CLDMA_ID_MD]);
 	t7xx_ccmni_exit(t7xx_dev);
 	t7xx_fsm_uninit(md);
 	destroy_workqueue(md->handshake_wq);
-	destroy_workqueue(md->ap_handshake_wq);
 }
diff --git a/drivers/net/wwan/t7xx/t7xx_modem_ops.h b/drivers/net/wwan/t7xx/t7xx_modem_ops.h
index c93e870ce696..7469ed636ae8 100644
--- a/drivers/net/wwan/t7xx/t7xx_modem_ops.h
+++ b/drivers/net/wwan/t7xx/t7xx_modem_ops.h
@@ -66,13 +66,10 @@  struct t7xx_modem {
 	struct cldma_ctrl		*md_ctrl[CLDMA_NUM];
 	struct t7xx_pci_dev		*t7xx_dev;
 	struct t7xx_sys_info		core_md;
-	struct t7xx_sys_info		core_ap;
 	bool				md_init_finish;
 	bool				rgu_irq_asserted;
 	struct workqueue_struct		*handshake_wq;
 	struct work_struct		handshake_work;
-	struct workqueue_struct		*ap_handshake_wq;
-	struct work_struct		ap_handshake_work;
 	struct t7xx_fsm_ctl		*fsm_ctl;
 	struct port_proxy		*port_prox;
 	unsigned int			exp_id;
diff --git a/drivers/net/wwan/t7xx/t7xx_port.h b/drivers/net/wwan/t7xx/t7xx_port.h
index 7bf8608ce991..8ea9079af997 100644
--- a/drivers/net/wwan/t7xx/t7xx_port.h
+++ b/drivers/net/wwan/t7xx/t7xx_port.h
@@ -36,15 +36,9 @@ 
 /* Channel ID and Message ID definitions.
  * The channel number consists of peer_id(15:12) , channel_id(11:0)
  * peer_id:
- * 0:reserved, 1: to AP, 2: to MD
+ * 0:reserved, 1: to sAP, 2: to MD
  */
 enum port_ch {
-	/* to AP */
-	PORT_CH_AP_CONTROL_RX = 0x1000,
-	PORT_CH_AP_CONTROL_TX = 0x1001,
-	PORT_CH_AP_LOG_RX = 0x1008,
-	PORT_CH_AP_LOG_TX = 0x1009,
-
 	/* to MD */
 	PORT_CH_CONTROL_RX = 0x2000,
 	PORT_CH_CONTROL_TX = 0x2001,
diff --git a/drivers/net/wwan/t7xx/t7xx_port_ctrl_msg.c b/drivers/net/wwan/t7xx/t7xx_port_ctrl_msg.c
index ae632ef96698..68430b130a67 100644
--- a/drivers/net/wwan/t7xx/t7xx_port_ctrl_msg.c
+++ b/drivers/net/wwan/t7xx/t7xx_port_ctrl_msg.c
@@ -167,12 +167,8 @@  static int control_msg_handler(struct t7xx_port *port, struct sk_buff *skb)
 	case CTL_ID_HS2_MSG:
 		skb_pull(skb, sizeof(*ctrl_msg_h));
 
-		if (port_conf->rx_ch == PORT_CH_CONTROL_RX ||
-		    port_conf->rx_ch == PORT_CH_AP_CONTROL_RX) {
-			int event = port_conf->rx_ch == PORT_CH_CONTROL_RX ?
-				    FSM_EVENT_MD_HS2 : FSM_EVENT_AP_HS2;
-
-			ret = t7xx_fsm_append_event(ctl, event, skb->data,
+		if (port_conf->rx_ch == PORT_CH_CONTROL_RX) {
+			ret = t7xx_fsm_append_event(ctl, FSM_EVENT_MD_HS2, skb->data,
 						    le32_to_cpu(ctrl_msg_h->data_length));
 			if (ret)
 				dev_err(port->dev, "Failed to append Handshake 2 event");
diff --git a/drivers/net/wwan/t7xx/t7xx_port_proxy.c b/drivers/net/wwan/t7xx/t7xx_port_proxy.c
index 6c24a38181f2..894b1d11b2c9 100644
--- a/drivers/net/wwan/t7xx/t7xx_port_proxy.c
+++ b/drivers/net/wwan/t7xx/t7xx_port_proxy.c
@@ -89,14 +89,6 @@  static const struct t7xx_port_conf t7xx_md_port_conf[] = {
 		.path_id = CLDMA_ID_MD,
 		.ops = &ctl_port_ops,
 		.name = "t7xx_ctrl",
-	}, {
-		.tx_ch = PORT_CH_AP_CONTROL_TX,
-		.rx_ch = PORT_CH_AP_CONTROL_RX,
-		.txq_index = Q_IDX_CTRL,
-		.rxq_index = Q_IDX_CTRL,
-		.path_id = CLDMA_ID_AP,
-		.ops = &ctl_port_ops,
-		.name = "t7xx_ap_ctrl",
 	},
 };
 
@@ -436,9 +428,6 @@  static void t7xx_proxy_init_all_ports(struct t7xx_modem *md)
 		if (port_conf->tx_ch == PORT_CH_CONTROL_TX)
 			md->core_md.ctl_port = port;
 
-		if (port_conf->tx_ch == PORT_CH_AP_CONTROL_TX)
-			md->core_ap.ctl_port = port;
-
 		port->t7xx_dev = md->t7xx_dev;
 		port->dev = &md->t7xx_dev->pdev->dev;
 		spin_lock_init(&port->port_update_lock);
@@ -492,7 +481,6 @@  int t7xx_port_proxy_init(struct t7xx_modem *md)
 	if (ret)
 		return ret;
 
-	t7xx_cldma_set_recv_skb(md->md_ctrl[CLDMA_ID_AP], t7xx_port_proxy_recv_skb);
 	t7xx_cldma_set_recv_skb(md->md_ctrl[CLDMA_ID_MD], t7xx_port_proxy_recv_skb);
 	return 0;
 }
diff --git a/drivers/net/wwan/t7xx/t7xx_reg.h b/drivers/net/wwan/t7xx/t7xx_reg.h
index c41d7d094c08..7c1b81091a0f 100644
--- a/drivers/net/wwan/t7xx/t7xx_reg.h
+++ b/drivers/net/wwan/t7xx/t7xx_reg.h
@@ -56,7 +56,7 @@ 
 #define D2H_INT_RESUME_ACK			BIT(12)
 #define D2H_INT_SUSPEND_ACK_AP			BIT(13)
 #define D2H_INT_RESUME_ACK_AP			BIT(14)
-#define D2H_INT_ASYNC_AP_HK			BIT(15)
+#define D2H_INT_ASYNC_SAP_HK			BIT(15)
 #define D2H_INT_ASYNC_MD_HK			BIT(16)
 
 /* Register base */
diff --git a/drivers/net/wwan/t7xx/t7xx_state_monitor.c b/drivers/net/wwan/t7xx/t7xx_state_monitor.c
index 80edb8e75a6a..0bcca08ff2bd 100644
--- a/drivers/net/wwan/t7xx/t7xx_state_monitor.c
+++ b/drivers/net/wwan/t7xx/t7xx_state_monitor.c
@@ -285,9 +285,8 @@  static int fsm_routine_starting(struct t7xx_fsm_ctl *ctl)
 	t7xx_fsm_broadcast_state(ctl, MD_STATE_WAITING_FOR_HS1);
 	t7xx_md_event_notify(md, FSM_START);
 
-	wait_event_interruptible_timeout(ctl->async_hk_wq,
-					 (md->core_md.ready && md->core_ap.ready) ||
-					  ctl->exp_flg, HZ * 60);
+	wait_event_interruptible_timeout(ctl->async_hk_wq, md->core_md.ready || ctl->exp_flg,
+					 HZ * 60);
 	dev = &md->t7xx_dev->pdev->dev;
 
 	if (ctl->exp_flg)
@@ -298,13 +297,6 @@  static int fsm_routine_starting(struct t7xx_fsm_ctl *ctl)
 		if (md->core_md.handshake_ongoing)
 			t7xx_fsm_append_event(ctl, FSM_EVENT_MD_HS2_EXIT, NULL, 0);
 
-		fsm_routine_exception(ctl, NULL, EXCEPTION_HS_TIMEOUT);
-		return -ETIMEDOUT;
-	} else if (!md->core_ap.ready) {
-		dev_err(dev, "AP handshake timeout\n");
-		if (md->core_ap.handshake_ongoing)
-			t7xx_fsm_append_event(ctl, FSM_EVENT_AP_HS2_EXIT, NULL, 0);
-
 		fsm_routine_exception(ctl, NULL, EXCEPTION_HS_TIMEOUT);
 		return -ETIMEDOUT;
 	}
@@ -343,7 +335,6 @@  static void fsm_routine_start(struct t7xx_fsm_ctl *ctl, struct t7xx_fsm_command
 		return;
 	}
 
-	t7xx_cldma_hif_hw_init(md->md_ctrl[CLDMA_ID_AP]);
 	t7xx_cldma_hif_hw_init(md->md_ctrl[CLDMA_ID_MD]);
 	fsm_finish_command(ctl, cmd, fsm_routine_starting(ctl));
 }
diff --git a/drivers/net/wwan/t7xx/t7xx_state_monitor.h b/drivers/net/wwan/t7xx/t7xx_state_monitor.h
index b6e76f3903c8..b1af0259d4c5 100644
--- a/drivers/net/wwan/t7xx/t7xx_state_monitor.h
+++ b/drivers/net/wwan/t7xx/t7xx_state_monitor.h
@@ -38,12 +38,10 @@  enum t7xx_fsm_state {
 enum t7xx_fsm_event_state {
 	FSM_EVENT_INVALID,
 	FSM_EVENT_MD_HS2,
-	FSM_EVENT_AP_HS2,
 	FSM_EVENT_MD_EX,
 	FSM_EVENT_MD_EX_REC_OK,
 	FSM_EVENT_MD_EX_PASS,
 	FSM_EVENT_MD_HS2_EXIT,
-	FSM_EVENT_AP_HS2_EXIT,
 	FSM_EVENT_MAX
 };