[PATCH 0/3] mwifiex: Make WoWLAN a common feature

[PATCH 0/3] mwifiex: Make WoWLAN a common feature

[Rajat Jain]

I have a Marvell card on the PCIe bus that needs to support
WoWLAN (wake-on-wireless-LAN) feature. This is a feature offered
by the "core" mwifiex card and is not specific to an interface
(pcie/sdio/usb).

Currently the code to parse the WowLAN pin, and activate it
resides only in sdio.c [mostly commit ce4f6f0c353b ("mwifiex: add
platform specific wakeup interrupt support")]. I started by
copying all that code & data structures in pcie.c/pcie.h but then
realized that the we should probably have it common since the
feature is not interface specific.

Further, I noticed that interface driver had no interest in
device trees since there are no properties specific to interfaces.
Currently the only properties needed, are the common ones needed
by the core mwifiex.

This patch set thus introduces mwifiex_probe_of() to parse the
common properties, and then moves the WowLAN specific code to the
common module so that all the interfaces can use it. Essentially
this is a single logical patch that has been split up into
multiple patches only for the reason of simplicity and code
reviews.

This is currently rebased on the top of Linus' tree with the
following 2 patches applied:
https://patchwork.kernel.org/patch/9362275/
https://patchwork.kernel.org/patch/9390225/

Rajat Jain (3):
  mwifiex: Allow mwifiex early access to device structure
  mwifiex: Introduce mwifiex_probe_of() to parse common properties
  mwifiex: Enable WoWLAN for both sdio and pcie

 drivers/net/wireless/marvell/mwifiex/main.c    | 58 ++++++++++++++++++-
 drivers/net/wireless/marvell/mwifiex/main.h    | 28 ++++++++-
 drivers/net/wireless/marvell/mwifiex/pcie.c    |  8 ++-
 drivers/net/wireless/marvell/mwifiex/sdio.c    | 79 +++-----------------------
 drivers/net/wireless/marvell/mwifiex/sdio.h    |  8 ---
 drivers/net/wireless/marvell/mwifiex/sta_cmd.c |  5 +-
 drivers/net/wireless/marvell/mwifiex/usb.c     |  3 +-
 7 files changed, 99 insertions(+), 90 deletions(-)

-- 
2.8.0.rc3.226.g39d4020

[PATCH 1/3] mwifiex: Allow mwifiex early access to device structure

[Rajat Jain]

Today all the interface drivers (usb/pcie/sdio) assign the
adapter->dev in the register_dev() callback, although they
have this piece of info well before hand.

This patch makes the device structure available for mwifiex
right at the beginning, so that it can be used for early
initialization if needed.

This is needed for subsequent patches in this patchset that
intend to unify and consolidate some of the code that would
otherwise have to be duplicated among the interface drivers
(sdio, pcie, usb).

Signed-off-by: Rajat Jain <rajatja@google.com>
---
 drivers/net/wireless/marvell/mwifiex/main.c | 4 +++-
 drivers/net/wireless/marvell/mwifiex/main.h | 3 ++-
 drivers/net/wireless/marvell/mwifiex/pcie.c | 4 +---
 drivers/net/wireless/marvell/mwifiex/sdio.c | 5 +----
 drivers/net/wireless/marvell/mwifiex/usb.c  | 3 +--
 5 files changed, 8 insertions(+), 11 deletions(-)

diff --git a/drivers/net/wireless/marvell/mwifiex/main.c b/drivers/net/wireless/marvell/mwifiex/main.c
index 2478ccd..dcceab2 100644
--- a/drivers/net/wireless/marvell/mwifiex/main.c
+++ b/drivers/net/wireless/marvell/mwifiex/main.c
@@ -1567,7 +1567,8 @@ EXPORT_SYMBOL_GPL(mwifiex_do_flr);
  */
 int
 mwifiex_add_card(void *card, struct semaphore *sem,
-		 struct mwifiex_if_ops *if_ops, u8 iface_type)
+		 struct mwifiex_if_ops *if_ops, u8 iface_type,
+		 struct device *dev)
 {
 	struct mwifiex_adapter *adapter;
 
@@ -1579,6 +1580,7 @@ mwifiex_add_card(void *card, struct semaphore *sem,
 		goto err_init_sw;
 	}
 
+	adapter->dev = dev;
 	adapter->iface_type = iface_type;
 	adapter->card_sem = sem;
 
diff --git a/drivers/net/wireless/marvell/mwifiex/main.h b/drivers/net/wireless/marvell/mwifiex/main.h
index 26df28f..91218a1 100644
--- a/drivers/net/wireless/marvell/mwifiex/main.h
+++ b/drivers/net/wireless/marvell/mwifiex/main.h
@@ -1411,7 +1411,8 @@ static inline u8 mwifiex_is_tdls_link_setup(u8 status)
 
 int mwifiex_init_shutdown_fw(struct mwifiex_private *priv,
 			     u32 func_init_shutdown);
-int mwifiex_add_card(void *, struct semaphore *, struct mwifiex_if_ops *, u8);
+int mwifiex_add_card(void *, struct semaphore *, struct mwifiex_if_ops *, u8,
+		     struct device *);
 int mwifiex_remove_card(struct mwifiex_adapter *, struct semaphore *);
 
 void mwifiex_get_version(struct mwifiex_adapter *adapter, char *version,
diff --git a/drivers/net/wireless/marvell/mwifiex/pcie.c b/drivers/net/wireless/marvell/mwifiex/pcie.c
index f7c84d3..49b5835 100644
--- a/drivers/net/wireless/marvell/mwifiex/pcie.c
+++ b/drivers/net/wireless/marvell/mwifiex/pcie.c
@@ -224,7 +224,7 @@ static int mwifiex_pcie_probe(struct pci_dev *pdev,
 	}
 
 	ret = mwifiex_add_card(card, &add_remove_card_sem, &pcie_ops,
-			       MWIFIEX_PCIE);
+			       MWIFIEX_PCIE, &pdev->dev);
 	if (ret) {
 		pr_err("%s failed\n", __func__);
 		goto err_free;
@@ -2990,11 +2990,9 @@ static void mwifiex_pcie_get_fw_name(struct mwifiex_adapter *adapter)
 static int mwifiex_register_dev(struct mwifiex_adapter *adapter)
 {
 	struct pcie_service_card *card = adapter->card;
-	struct pci_dev *pdev = card->dev;
 
 	/* save adapter pointer in card */
 	card->adapter = adapter;
-	adapter->dev = &pdev->dev;
 
 	if (mwifiex_pcie_request_irq(adapter))
 		return -1;
diff --git a/drivers/net/wireless/marvell/mwifiex/sdio.c b/drivers/net/wireless/marvell/mwifiex/sdio.c
index 807af13..c95f41f 100644
--- a/drivers/net/wireless/marvell/mwifiex/sdio.c
+++ b/drivers/net/wireless/marvell/mwifiex/sdio.c
@@ -206,7 +206,7 @@ mwifiex_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id)
 	}
 
 	ret = mwifiex_add_card(card, &add_remove_card_sem, &sdio_ops,
-			       MWIFIEX_SDIO);
+			       MWIFIEX_SDIO, &func->dev);
 	if (ret) {
 		dev_err(&func->dev, "add card failed\n");
 		goto err_disable;
@@ -2106,9 +2106,6 @@ static int mwifiex_register_dev(struct mwifiex_adapter *adapter)
 		return ret;
 	}
 
-
-	adapter->dev = &func->dev;
-
 	strcpy(adapter->fw_name, card->firmware);
 	if (card->fw_dump_enh) {
 		adapter->mem_type_mapping_tbl = generic_mem_type_map;
diff --git a/drivers/net/wireless/marvell/mwifiex/usb.c b/drivers/net/wireless/marvell/mwifiex/usb.c
index 73eb084..f847fff 100644
--- a/drivers/net/wireless/marvell/mwifiex/usb.c
+++ b/drivers/net/wireless/marvell/mwifiex/usb.c
@@ -476,7 +476,7 @@ static int mwifiex_usb_probe(struct usb_interface *intf,
 	usb_set_intfdata(intf, card);
 
 	ret = mwifiex_add_card(card, &add_remove_card_sem, &usb_ops,
-			       MWIFIEX_USB);
+			       MWIFIEX_USB, &card->udev->dev);
 	if (ret) {
 		pr_err("%s: mwifiex_add_card failed: %d\n", __func__, ret);
 		usb_reset_device(udev);
@@ -932,7 +932,6 @@ static int mwifiex_register_dev(struct mwifiex_adapter *adapter)
 	struct usb_card_rec *card = (struct usb_card_rec *)adapter->card;
 
 	card->adapter = adapter;
-	adapter->dev = &card->udev->dev;
 
 	switch (le16_to_cpu(card->udev->descriptor.idProduct)) {
 	case USB8997_PID_1:
-- 
2.8.0.rc3.226.g39d4020

[PATCH 2/3] mwifiex: Introduce mwifiex_probe_of() to parse common properties

[Rajat Jain]

Introduce function mwifiex_probe_of() to parse common properties.
Since the interface drivers get to decide whether or not the device
tree node was a valid one (depending on the compatible property),
let the interface drivers pass a flag to indicate whether the device
tree node was a valid one.

The function mwifiex_probe_of()nodetself is currently only a place
holder with the next patch adding content to it.

Signed-off-by: Rajat Jain <rajatja-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
---
 drivers/net/wireless/marvell/mwifiex/main.c    | 15 ++++++++++++++-
 drivers/net/wireless/marvell/mwifiex/main.h    |  2 +-
 drivers/net/wireless/marvell/mwifiex/pcie.c    |  4 +++-
 drivers/net/wireless/marvell/mwifiex/sdio.c    |  4 +++-
 drivers/net/wireless/marvell/mwifiex/sta_cmd.c |  5 +----
 drivers/net/wireless/marvell/mwifiex/usb.c     |  2 +-
 6 files changed, 23 insertions(+), 9 deletions(-)

diff --git a/drivers/net/wireless/marvell/mwifiex/main.c b/drivers/net/wireless/marvell/mwifiex/main.c
index dcceab2..b2f3d96 100644
--- a/drivers/net/wireless/marvell/mwifiex/main.c
+++ b/drivers/net/wireless/marvell/mwifiex/main.c
@@ -1552,6 +1552,16 @@ void mwifiex_do_flr(struct mwifiex_adapter *adapter, bool prepare)
 }
 EXPORT_SYMBOL_GPL(mwifiex_do_flr);
 
+static void mwifiex_probe_of(struct mwifiex_adapter *adapter)
+{
+	struct device *dev = adapter->dev;
+
+	if (!dev->of_node)
+		return;
+
+	adapter->dt_node = dev->of_node;
+}
+
 /*
  * This function adds the card.
  *
@@ -1568,7 +1578,7 @@ EXPORT_SYMBOL_GPL(mwifiex_do_flr);
 int
 mwifiex_add_card(void *card, struct semaphore *sem,
 		 struct mwifiex_if_ops *if_ops, u8 iface_type,
-		 struct device *dev)
+		 struct device *dev, bool of_node_valid)
 {
 	struct mwifiex_adapter *adapter;
 
@@ -1581,6 +1591,9 @@ mwifiex_add_card(void *card, struct semaphore *sem,
 	}
 
 	adapter->dev = dev;
+	if (of_node_valid)
+		mwifiex_probe_of(adapter);
+
 	adapter->iface_type = iface_type;
 	adapter->card_sem = sem;
 
diff --git a/drivers/net/wireless/marvell/mwifiex/main.h b/drivers/net/wireless/marvell/mwifiex/main.h
index 91218a1..83e0776 100644
--- a/drivers/net/wireless/marvell/mwifiex/main.h
+++ b/drivers/net/wireless/marvell/mwifiex/main.h
@@ -1412,7 +1412,7 @@ static inline u8 mwifiex_is_tdls_link_setup(u8 status)
 int mwifiex_init_shutdown_fw(struct mwifiex_private *priv,
 			     u32 func_init_shutdown);
 int mwifiex_add_card(void *, struct semaphore *, struct mwifiex_if_ops *, u8,
-		     struct device *);
+		     struct device *, bool);
 int mwifiex_remove_card(struct mwifiex_adapter *, struct semaphore *);
 
 void mwifiex_get_version(struct mwifiex_adapter *adapter, char *version,
diff --git a/drivers/net/wireless/marvell/mwifiex/pcie.c b/drivers/net/wireless/marvell/mwifiex/pcie.c
index 49b5835..ea423d5 100644
--- a/drivers/net/wireless/marvell/mwifiex/pcie.c
+++ b/drivers/net/wireless/marvell/mwifiex/pcie.c
@@ -194,6 +194,7 @@ static int mwifiex_pcie_probe(struct pci_dev *pdev,
 					const struct pci_device_id *ent)
 {
 	struct pcie_service_card *card;
+	bool valid_of_node = false;
 	int ret;
 
 	pr_debug("info: vendor=0x%4.04X device=0x%4.04X rev=%d\n",
@@ -221,10 +222,11 @@ static int mwifiex_pcie_probe(struct pci_dev *pdev,
 		ret = mwifiex_pcie_probe_of(&pdev->dev);
 		if (ret)
 			goto err_free;
+		valid_of_node = true;
 	}
 
 	ret = mwifiex_add_card(card, &add_remove_card_sem, &pcie_ops,
-			       MWIFIEX_PCIE, &pdev->dev);
+			       MWIFIEX_PCIE, &pdev->dev, valid_of_node);
 	if (ret) {
 		pr_err("%s failed\n", __func__);
 		goto err_free;
diff --git a/drivers/net/wireless/marvell/mwifiex/sdio.c b/drivers/net/wireless/marvell/mwifiex/sdio.c
index c95f41f..558743a 100644
--- a/drivers/net/wireless/marvell/mwifiex/sdio.c
+++ b/drivers/net/wireless/marvell/mwifiex/sdio.c
@@ -156,6 +156,7 @@ mwifiex_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id)
 {
 	int ret;
 	struct sdio_mmc_card *card = NULL;
+	bool valid_of_node = false;
 
 	pr_debug("info: vendor=0x%4.04X device=0x%4.04X class=%d function=%d\n",
 		 func->vendor, func->device, func->class, func->num);
@@ -203,10 +204,11 @@ mwifiex_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id)
 			dev_err(&func->dev, "SDIO dt node parse failed\n");
 			goto err_disable;
 		}
+		valid_of_node = true;
 	}
 
 	ret = mwifiex_add_card(card, &add_remove_card_sem, &sdio_ops,
-			       MWIFIEX_SDIO, &func->dev);
+			       MWIFIEX_SDIO, &func->dev, valid_of_node);
 	if (ret) {
 		dev_err(&func->dev, "add card failed\n");
 		goto err_disable;
diff --git a/drivers/net/wireless/marvell/mwifiex/sta_cmd.c b/drivers/net/wireless/marvell/mwifiex/sta_cmd.c
index c8dccf5..73e337e 100644
--- a/drivers/net/wireless/marvell/mwifiex/sta_cmd.c
+++ b/drivers/net/wireless/marvell/mwifiex/sta_cmd.c
@@ -2218,10 +2218,7 @@ int mwifiex_sta_init_cmd(struct mwifiex_private *priv, u8 first_sta, bool init)
 		 * The cal-data can be read from device tree and/or
 		 * a configuration file and downloaded to firmware.
 		 */
-		if ((priv->adapter->iface_type == MWIFIEX_SDIO ||
-		    priv->adapter->iface_type == MWIFIEX_PCIE) &&
-		    adapter->dev->of_node) {
-			adapter->dt_node = adapter->dev->of_node;
+		if (adapter->dt_node) {
 			if (of_property_read_u32(adapter->dt_node,
 						 "marvell,wakeup-pin",
 						 &data) == 0) {
diff --git a/drivers/net/wireless/marvell/mwifiex/usb.c b/drivers/net/wireless/marvell/mwifiex/usb.c
index f847fff..11c9629 100644
--- a/drivers/net/wireless/marvell/mwifiex/usb.c
+++ b/drivers/net/wireless/marvell/mwifiex/usb.c
@@ -476,7 +476,7 @@ static int mwifiex_usb_probe(struct usb_interface *intf,
 	usb_set_intfdata(intf, card);
 
 	ret = mwifiex_add_card(card, &add_remove_card_sem, &usb_ops,
-			       MWIFIEX_USB, &card->udev->dev);
+			       MWIFIEX_USB, &card->udev->dev, false);
 	if (ret) {
 		pr_err("%s: mwifiex_add_card failed: %d\n", __func__, ret);
 		usb_reset_device(udev);
-- 
2.8.0.rc3.226.g39d4020

[PATCH 3/3] mwifiex: Enable WoWLAN for both sdio and pcie

[Rajat Jain]

Commit ce4f6f0c353b ("mwifiex: add platform specific wakeup interrupt
support") added WoWLAN feature only for sdio. This patch moves that
code to the common module so that all the interface drivers can use
it for free. It enables pcie and sdio for its use currently.

Signed-off-by: Rajat Jain <rajatja-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
---
 drivers/net/wireless/marvell/mwifiex/main.c | 41 ++++++++++++++++
 drivers/net/wireless/marvell/mwifiex/main.h | 25 ++++++++++
 drivers/net/wireless/marvell/mwifiex/pcie.c |  2 +
 drivers/net/wireless/marvell/mwifiex/sdio.c | 72 ++---------------------------
 drivers/net/wireless/marvell/mwifiex/sdio.h |  8 ----
 5 files changed, 73 insertions(+), 75 deletions(-)

diff --git a/drivers/net/wireless/marvell/mwifiex/main.c b/drivers/net/wireless/marvell/mwifiex/main.c
index b2f3d96..20c9b77 100644
--- a/drivers/net/wireless/marvell/mwifiex/main.c
+++ b/drivers/net/wireless/marvell/mwifiex/main.c
@@ -1552,14 +1552,55 @@ void mwifiex_do_flr(struct mwifiex_adapter *adapter, bool prepare)
 }
 EXPORT_SYMBOL_GPL(mwifiex_do_flr);
 
+static irqreturn_t mwifiex_irq_wakeup_handler(int irq, void *priv)
+{
+	struct mwifiex_adapter *adapter = priv;
+
+	if (adapter->irq_wakeup >= 0) {
+		dev_dbg(adapter->dev, "%s: wake by wifi", __func__);
+		adapter->wake_by_wifi = true;
+		disable_irq_nosync(irq);
+	}
+
+	/* Notify PM core we are wakeup source */
+	pm_wakeup_event(adapter->dev, 0);
+
+	return IRQ_HANDLED;
+}
+
 static void mwifiex_probe_of(struct mwifiex_adapter *adapter)
 {
+	int ret;
 	struct device *dev = adapter->dev;
 
 	if (!dev->of_node)
 		return;
 
 	adapter->dt_node = dev->of_node;
+	adapter->irq_wakeup = irq_of_parse_and_map(adapter->dt_node, 0);
+	if (!adapter->irq_wakeup) {
+		dev_info(dev, "fail to parse irq_wakeup from device tree\n");
+		return;
+	}
+
+	ret = devm_request_irq(dev, adapter->irq_wakeup,
+			       mwifiex_irq_wakeup_handler, IRQF_TRIGGER_LOW,
+			       "wifi_wake", adapter);
+	if (ret) {
+		dev_err(dev, "Failed to request irq_wakeup %d (%d)\n",
+			adapter->irq_wakeup, ret);
+		goto err_exit;
+	}
+
+	disable_irq(adapter->irq_wakeup);
+	if (device_init_wakeup(dev, true)) {
+		dev_err(dev, "fail to init wakeup for mwifiex\n");
+		goto err_exit;
+	}
+	return;
+
+err_exit:
+	adapter->irq_wakeup = 0;
 }
 
 /*
diff --git a/drivers/net/wireless/marvell/mwifiex/main.h b/drivers/net/wireless/marvell/mwifiex/main.h
index 83e0776..12def94 100644
--- a/drivers/net/wireless/marvell/mwifiex/main.h
+++ b/drivers/net/wireless/marvell/mwifiex/main.h
@@ -1010,6 +1010,10 @@ struct mwifiex_adapter {
 	bool usb_mc_setup;
 	struct cfg80211_wowlan_nd_info *nd_info;
 	struct ieee80211_regdomain *regd;
+
+	/* Wake-on-WLAN (WoWLAN) */
+	int irq_wakeup;
+	bool wake_by_wifi;
 };
 
 void mwifiex_process_tx_queue(struct mwifiex_adapter *adapter);
@@ -1409,6 +1413,27 @@ static inline u8 mwifiex_is_tdls_link_setup(u8 status)
 	return false;
 }
 
+/* Disable platform specific wakeup interrupt */
+static inline void mwifiex_disable_wake(struct mwifiex_adapter *adapter)
+{
+	if (adapter->irq_wakeup >= 0) {
+		disable_irq_wake(adapter->irq_wakeup);
+		if (!adapter->wake_by_wifi)
+			disable_irq(adapter->irq_wakeup);
+	}
+}
+
+/* Enable platform specific wakeup interrupt */
+static inline void mwifiex_enable_wake(struct mwifiex_adapter *adapter)
+{
+	/* Enable platform specific wakeup interrupt */
+	if (adapter->irq_wakeup >= 0) {
+		adapter->wake_by_wifi = false;
+		enable_irq(adapter->irq_wakeup);
+		enable_irq_wake(adapter->irq_wakeup);
+	}
+}
+
 int mwifiex_init_shutdown_fw(struct mwifiex_private *priv,
 			     u32 func_init_shutdown);
 int mwifiex_add_card(void *, struct semaphore *, struct mwifiex_if_ops *, u8,
diff --git a/drivers/net/wireless/marvell/mwifiex/pcie.c b/drivers/net/wireless/marvell/mwifiex/pcie.c
index ea423d5..af93661 100644
--- a/drivers/net/wireless/marvell/mwifiex/pcie.c
+++ b/drivers/net/wireless/marvell/mwifiex/pcie.c
@@ -133,6 +133,7 @@ static int mwifiex_pcie_suspend(struct device *dev)
 
 	adapter = card->adapter;
 
+	mwifiex_enable_wake(adapter);
 	hs_actived = mwifiex_enable_hs(adapter);
 
 	/* Indicate device suspended */
@@ -179,6 +180,7 @@ static int mwifiex_pcie_resume(struct device *dev)
 
 	mwifiex_cancel_hs(mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA),
 			  MWIFIEX_ASYNC_CMD);
+	mwifiex_disable_wake(adapter);
 
 	return 0;
 }
diff --git a/drivers/net/wireless/marvell/mwifiex/sdio.c b/drivers/net/wireless/marvell/mwifiex/sdio.c
index 558743a..ff5bb45 100644
--- a/drivers/net/wireless/marvell/mwifiex/sdio.c
+++ b/drivers/net/wireless/marvell/mwifiex/sdio.c
@@ -79,67 +79,18 @@ static const struct of_device_id mwifiex_sdio_of_match_table[] = {
 	{ }
 };
 
-static irqreturn_t mwifiex_wake_irq_wifi(int irq, void *priv)
-{
-	struct mwifiex_plt_wake_cfg *cfg = priv;
-
-	if (cfg->irq_wifi >= 0) {
-		pr_info("%s: wake by wifi", __func__);
-		cfg->wake_by_wifi = true;
-		disable_irq_nosync(irq);
-	}
-
-	/* Notify PM core we are wakeup source */
-	pm_wakeup_event(cfg->dev, 0);
-
-	return IRQ_HANDLED;
-}
-
 /* This function parse device tree node using mmc subnode devicetree API.
  * The device node is saved in card->plt_of_node.
  * if the device tree node exist and include interrupts attributes, this
  * function will also request platform specific wakeup interrupt.
  */
-static int mwifiex_sdio_probe_of(struct device *dev, struct sdio_mmc_card *card)
+static int mwifiex_sdio_probe_of(struct device *dev)
 {
-	struct mwifiex_plt_wake_cfg *cfg;
-	int ret;
-
 	if (!of_match_node(mwifiex_sdio_of_match_table, dev->of_node)) {
 		dev_err(dev, "required compatible string missing\n");
 		return -EINVAL;
 	}
 
-	card->plt_of_node = dev->of_node;
-	card->plt_wake_cfg = devm_kzalloc(dev, sizeof(*card->plt_wake_cfg),
-					  GFP_KERNEL);
-	cfg = card->plt_wake_cfg;
-	if (cfg && card->plt_of_node) {
-		cfg->dev = dev;
-		cfg->irq_wifi = irq_of_parse_and_map(card->plt_of_node, 0);
-		if (!cfg->irq_wifi) {
-			dev_dbg(dev,
-				"fail to parse irq_wifi from device tree\n");
-		} else {
-			ret = devm_request_irq(dev, cfg->irq_wifi,
-					       mwifiex_wake_irq_wifi,
-					       IRQF_TRIGGER_LOW,
-					       "wifi_wake", cfg);
-			if (ret) {
-				dev_dbg(dev,
-					"Failed to request irq_wifi %d (%d)\n",
-					cfg->irq_wifi, ret);
-				card->plt_wake_cfg = NULL;
-				return 0;
-			}
-			disable_irq(cfg->irq_wifi);
-		}
-	}
-
-	ret = device_init_wakeup(dev, true);
-	if (ret)
-		dev_err(dev, "fail to init wakeup for mwifiex");
-
 	return 0;
 }
 
@@ -199,11 +150,9 @@ mwifiex_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id)
 
 	/* device tree node parsing and platform specific configuration*/
 	if (func->dev.of_node) {
-		ret = mwifiex_sdio_probe_of(&func->dev, card);
-		if (ret) {
-			dev_err(&func->dev, "SDIO dt node parse failed\n");
+		ret = mwifiex_sdio_probe_of(&func->dev);
+		if (ret)
 			goto err_disable;
-		}
 		valid_of_node = true;
 	}
 
@@ -269,12 +218,7 @@ static int mwifiex_sdio_resume(struct device *dev)
 	mwifiex_cancel_hs(mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA),
 			  MWIFIEX_SYNC_CMD);
 
-	/* Disable platform specific wakeup interrupt */
-	if (card->plt_wake_cfg && card->plt_wake_cfg->irq_wifi >= 0) {
-		disable_irq_wake(card->plt_wake_cfg->irq_wifi);
-		if (!card->plt_wake_cfg->wake_by_wifi)
-			disable_irq(card->plt_wake_cfg->irq_wifi);
-	}
+	mwifiex_disable_wake(adapter);
 
 	return 0;
 }
@@ -354,13 +298,7 @@ static int mwifiex_sdio_suspend(struct device *dev)
 	}
 
 	adapter = card->adapter;
-
-	/* Enable platform specific wakeup interrupt */
-	if (card->plt_wake_cfg && card->plt_wake_cfg->irq_wifi >= 0) {
-		card->plt_wake_cfg->wake_by_wifi = false;
-		enable_irq(card->plt_wake_cfg->irq_wifi);
-		enable_irq_wake(card->plt_wake_cfg->irq_wifi);
-	}
+	mwifiex_enable_wake(adapter);
 
 	/* Enable the Host Sleep */
 	if (!mwifiex_enable_hs(adapter)) {
diff --git a/drivers/net/wireless/marvell/mwifiex/sdio.h b/drivers/net/wireless/marvell/mwifiex/sdio.h
index 07cdd23..b9fbc5c 100644
--- a/drivers/net/wireless/marvell/mwifiex/sdio.h
+++ b/drivers/net/wireless/marvell/mwifiex/sdio.h
@@ -154,12 +154,6 @@
 	a->mpa_rx.start_port = 0;					\
 } while (0)
 
-struct mwifiex_plt_wake_cfg {
-	struct device *dev;
-	int irq_wifi;
-	bool wake_by_wifi;
-};