diff --git a/drivers/net/wireless/nxp/nxpwifi/sdio.c b/drivers/net/wireless/nxp/nxpwifi/sdio.c
new file mode 100644
index 000000000000..9bc6338c95ec
--- /dev/null
+++ b/drivers/net/wireless/nxp/nxpwifi/sdio.c
@@ -0,0 +1,2648 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * NXP Wireless LAN device driver: SDIO specific handling
+ *
+ * Copyright 2011-2024 NXP
+ */
+
+#include <linux/firmware.h>
+#include <linux/completion.h>
+#include <linux/mmc/sdio.h>
+#include <linux/mmc/sdio_ids.h>
+#include <linux/mmc/sdio_func.h>
+#include <linux/mmc/card.h>
+#include <linux/mmc/host.h>
+
+#include "decl.h"
+#include "cfg.h"
+#include "util.h"
+#include "fw.h"
+#include "main.h"
+#include "wmm.h"
+#include "11n.h"
+#include "sdio.h"
+
+#define SDIO_VERSION	"1.0"
+
+static void nxpwifi_sdio_work(struct work_struct *work);
+
+static struct nxpwifi_if_ops sdio_ops;
+
+static const struct nxpwifi_sdio_card_reg nxpwifi_reg_iw61x = {
+	.start_rd_port = 0,
+	.start_wr_port = 0,
+	.base_0_reg = 0xF8,
+	.base_1_reg = 0xF9,
+	.poll_reg = 0x5C,
+	.host_int_enable = UP_LD_HOST_INT_MASK | DN_LD_HOST_INT_MASK |
+			   CMD_PORT_UPLD_INT_MASK | CMD_PORT_DNLD_INT_MASK,
+	.host_int_rsr_reg = 0x4,
+	.host_int_status_reg = 0x0C,
+	.host_int_mask_reg = 0x08,
+	.host_strap_reg = 0xF4,
+	.host_strap_mask = 0x01,
+	.host_strap_value = 0x00,
+	.status_reg_0 = 0xE8,
+	.status_reg_1 = 0xE9,
+	.sdio_int_mask = 0xff,
+	.data_port_mask = 0xffffffff,
+	.io_port_0_reg = 0xE4,
+	.io_port_1_reg = 0xE5,
+	.io_port_2_reg = 0xE6,
+	.max_mp_regs = 196,
+	.rd_bitmap_l = 0x10,
+	.rd_bitmap_u = 0x11,
+	.rd_bitmap_1l = 0x12,
+	.rd_bitmap_1u = 0x13,
+	.wr_bitmap_l = 0x14,
+	.wr_bitmap_u = 0x15,
+	.wr_bitmap_1l = 0x16,
+	.wr_bitmap_1u = 0x17,
+	.rd_len_p0_l = 0x18,
+	.rd_len_p0_u = 0x19,
+	.card_misc_cfg_reg = 0xd8,
+	.card_cfg_2_1_reg = 0xd9,
+	.cmd_rd_len_0 = 0xc0,
+	.cmd_rd_len_1 = 0xc1,
+	.cmd_rd_len_2 = 0xc2,
+	.cmd_rd_len_3 = 0xc3,
+	.cmd_cfg_0 = 0xc4,
+	.cmd_cfg_1 = 0xc5,
+	.cmd_cfg_2 = 0xc6,
+	.cmd_cfg_3 = 0xc7,
+	.fw_dump_host_ready = 0xcc,
+	.fw_dump_ctrl = 0xf9,
+	.fw_dump_start = 0xf1,
+	.fw_dump_end = 0xf8,
+	.func1_dump_reg_start = 0x10,
+	.func1_dump_reg_end = 0x17,
+	.func1_scratch_reg = 0xE8,
+	.func1_spec_reg_num = 13,
+	.func1_spec_reg_table = {0x08, 0x58, 0x5C, 0x5D, 0x60,
+				 0x61, 0x62, 0x64, 0x65, 0x66,
+				 0x68, 0x69, 0x6a},
+};
+
+static const struct nxpwifi_sdio_device nxpwifi_sdio_iw61x = {
+	.firmware = IW61X_SDIO_FW_NAME,
+	.reg = &nxpwifi_reg_iw61x,
+	.max_ports = 32,
+	.mp_agg_pkt_limit = 16,
+	.tx_buf_size = NXPWIFI_TX_DATA_BUF_SIZE_4K,
+	.mp_tx_agg_buf_size = NXPWIFI_MP_AGGR_BSIZE_MAX,
+	.mp_rx_agg_buf_size = NXPWIFI_MP_AGGR_BSIZE_MAX,
+	.can_dump_fw = true,
+	.fw_dump_enh = true,
+	.can_ext_scan = true,
+};
+
+static struct memory_type_mapping generic_mem_type_map[] = {
+	{"DUMP", NULL, 0, 0xDD},
+};
+
+static struct memory_type_mapping mem_type_mapping_tbl[] = {
+	{"ITCM", NULL, 0, 0xF0},
+	{"DTCM", NULL, 0, 0xF1},
+	{"SQRAM", NULL, 0, 0xF2},
+	{"APU", NULL, 0, 0xF3},
+	{"CIU", NULL, 0, 0xF4},
+	{"ICU", NULL, 0, 0xF5},
+	{"MAC", NULL, 0, 0xF6},
+	{"EXT7", NULL, 0, 0xF7},
+	{"EXT8", NULL, 0, 0xF8},
+	{"EXT9", NULL, 0, 0xF9},
+	{"EXT10", NULL, 0, 0xFA},
+	{"EXT11", NULL, 0, 0xFB},
+	{"EXT12", NULL, 0, 0xFC},
+	{"EXT13", NULL, 0, 0xFD},
+	{"EXTLAST", NULL, 0, 0xFE},
+};
+
+static const struct of_device_id nxpwifi_sdio_of_match_table[] __maybe_unused = {
+	{ .compatible = "nxp,iw61x" },
+	{ }
+};
+
+/* 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 nxpwifi_sdio_probe_of(struct device *dev)
+{
+	if (!of_match_node(nxpwifi_sdio_of_match_table, dev->of_node)) {
+		dev_err(dev, "required compatible string missing\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+/* SDIO probe.
+ *
+ * This function probes an nxpwifi device and registers it. It allocates
+ * the card structure, enables SDIO function number and initiates the
+ * device registration and initialization procedure by adding a logical
+ * interface.
+ */
+static int
+nxpwifi_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id)
+{
+	int ret;
+	struct sdio_mmc_card *card = NULL;
+
+	pr_debug("info: vendor=0x%4.04X device=0x%4.04X class=%d function=%d\n",
+		 func->vendor, func->device, func->class, func->num);
+
+	card = devm_kzalloc(&func->dev, sizeof(*card), GFP_KERNEL);
+	if (!card)
+		return -ENOMEM;
+
+	init_completion(&card->fw_done);
+
+	card->func = func;
+
+	func->card->quirks |= MMC_QUIRK_BLKSZ_FOR_BYTE_MODE;
+
+	if (id->driver_data) {
+		struct nxpwifi_sdio_device *data = (void *)id->driver_data;
+
+		card->firmware = data->firmware;
+		card->firmware_sdiouart = data->firmware_sdiouart;
+		card->reg = data->reg;
+		card->max_ports = data->max_ports;
+		card->mp_agg_pkt_limit = data->mp_agg_pkt_limit;
+		card->tx_buf_size = data->tx_buf_size;
+		card->mp_tx_agg_buf_size = data->mp_tx_agg_buf_size;
+		card->mp_rx_agg_buf_size = data->mp_rx_agg_buf_size;
+		card->can_dump_fw = data->can_dump_fw;
+		card->fw_dump_enh = data->fw_dump_enh;
+		card->can_ext_scan = data->can_ext_scan;
+		INIT_WORK(&card->work, nxpwifi_sdio_work);
+	}
+
+	sdio_claim_host(func);
+	ret = sdio_enable_func(func);
+	sdio_release_host(func);
+
+	if (ret) {
+		dev_err(&func->dev, "failed to enable function\n");
+		return ret;
+	}
+
+	/* device tree node parsing and platform specific configuration*/
+	if (func->dev.of_node) {
+		ret = nxpwifi_sdio_probe_of(&func->dev);
+		if (ret)
+			goto err_disable;
+	}
+
+	ret = nxpwifi_add_card(card, &card->fw_done, &sdio_ops,
+			       NXPWIFI_SDIO, &func->dev);
+	if (ret) {
+		dev_err(&func->dev, "add card failed\n");
+		goto err_disable;
+	}
+
+	return 0;
+
+err_disable:
+	sdio_claim_host(func);
+	sdio_disable_func(func);
+	sdio_release_host(func);
+
+	return ret;
+}
+
+/* SDIO resume.
+ *
+ * Kernel needs to suspend all functions separately. Therefore all
+ * registered functions must have drivers with suspend and resume
+ * methods. Failing that the kernel simply removes the whole card.
+ *
+ * If already not resumed, this function turns on the traffic and
+ * sends a host sleep cancel request to the firmware.
+ */
+static int nxpwifi_sdio_resume(struct device *dev)
+{
+	struct sdio_func *func = dev_to_sdio_func(dev);
+	struct sdio_mmc_card *card;
+	struct nxpwifi_adapter *adapter;
+
+	card = sdio_get_drvdata(func);
+	if (!card || !card->adapter) {
+		dev_err(dev, "resume: invalid card or adapter\n");
+		return 0;
+	}
+
+	adapter = card->adapter;
+
+	if (!test_bit(NXPWIFI_IS_SUSPENDED, &adapter->work_flags)) {
+		nxpwifi_dbg(adapter, WARN,
+			    "device already resumed\n");
+		return 0;
+	}
+
+	clear_bit(NXPWIFI_IS_SUSPENDED, &adapter->work_flags);
+
+	/* Disable Host Sleep */
+	nxpwifi_cancel_hs(nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_STA),
+			  NXPWIFI_SYNC_CMD);
+
+	nxpwifi_disable_wake(adapter);
+
+	return 0;
+}
+
+/* Write data into SDIO card register. Caller claims SDIO device. */
+static int
+nxpwifi_write_reg_locked(struct sdio_func *func, u32 reg, u8 data)
+{
+	int ret;
+
+	sdio_writeb(func, data, reg, &ret);
+	return ret;
+}
+
+/* This function writes data into SDIO card register.
+ */
+static int
+nxpwifi_write_reg(struct nxpwifi_adapter *adapter, u32 reg, u8 data)
+{
+	struct sdio_mmc_card *card = adapter->card;
+	int ret;
+
+	sdio_claim_host(card->func);
+	ret = nxpwifi_write_reg_locked(card->func, reg, data);
+	sdio_release_host(card->func);
+
+	return ret;
+}
+
+/* This function reads data from SDIO card register.
+ */
+static int
+nxpwifi_read_reg(struct nxpwifi_adapter *adapter, u32 reg, u8 *data)
+{
+	struct sdio_mmc_card *card = adapter->card;
+	int ret;
+	u8 val;
+
+	sdio_claim_host(card->func);
+	val = sdio_readb(card->func, reg, &ret);
+	sdio_release_host(card->func);
+
+	*data = val;
+
+	return ret;
+}
+
+/* This function writes multiple data into SDIO card memory.
+ *
+ * This does not work in suspended mode.
+ */
+static int
+nxpwifi_write_data_sync(struct nxpwifi_adapter *adapter,
+			u8 *buffer, u32 pkt_len, u32 port)
+{
+	struct sdio_mmc_card *card = adapter->card;
+	int ret;
+	u8 blk_mode =
+		(port & NXPWIFI_SDIO_BYTE_MODE_MASK) ? BYTE_MODE : BLOCK_MODE;
+	u32 blk_size = (blk_mode == BLOCK_MODE) ? NXPWIFI_SDIO_BLOCK_SIZE : 1;
+	u32 blk_cnt =
+		(blk_mode ==
+		 BLOCK_MODE) ? (pkt_len /
+				NXPWIFI_SDIO_BLOCK_SIZE) : pkt_len;
+	u32 ioport = (port & NXPWIFI_SDIO_IO_PORT_MASK);
+
+	if (test_bit(NXPWIFI_IS_SUSPENDED, &adapter->work_flags)) {
+		nxpwifi_dbg(adapter, ERROR,
+			    "%s: not allowed while suspended\n", __func__);
+		return -EPERM;
+	}
+
+	sdio_claim_host(card->func);
+
+	ret = sdio_writesb(card->func, ioport, buffer, blk_cnt * blk_size);
+
+	sdio_release_host(card->func);
+
+	return ret;
+}
+
+/* This function reads multiple data from SDIO card memory.
+ */
+static int nxpwifi_read_data_sync(struct nxpwifi_adapter *adapter, u8 *buffer,
+				  u32 len, u32 port, u8 claim)
+{
+	struct sdio_mmc_card *card = adapter->card;
+	int ret;
+	u8 blk_mode = (port & NXPWIFI_SDIO_BYTE_MODE_MASK) ? BYTE_MODE
+		       : BLOCK_MODE;
+	u32 blk_size = (blk_mode == BLOCK_MODE) ? NXPWIFI_SDIO_BLOCK_SIZE : 1;
+	u32 blk_cnt = (blk_mode == BLOCK_MODE) ? (len / NXPWIFI_SDIO_BLOCK_SIZE)
+			: len;
+	u32 ioport = (port & NXPWIFI_SDIO_IO_PORT_MASK);
+
+	if (claim)
+		sdio_claim_host(card->func);
+
+	ret = sdio_readsb(card->func, buffer, ioport, blk_cnt * blk_size);
+
+	if (claim)
+		sdio_release_host(card->func);
+
+	return ret;
+}
+
+/* This function reads the firmware status.
+ */
+static int
+nxpwifi_sdio_read_fw_status(struct nxpwifi_adapter *adapter, u16 *dat)
+{
+	struct sdio_mmc_card *card = adapter->card;
+	const struct nxpwifi_sdio_card_reg *reg = card->reg;
+	u8 fws0, fws1;
+	int ret;
+
+	ret = nxpwifi_read_reg(adapter, reg->status_reg_0, &fws0);
+	if (ret)
+		return ret;
+
+	ret = nxpwifi_read_reg(adapter, reg->status_reg_1, &fws1);
+	if (ret)
+		return ret;
+
+	*dat = (u16)((fws1 << 8) | fws0);
+	return ret;
+}
+
+/* This function checks the firmware status in card.
+ */
+static int nxpwifi_check_fw_status(struct nxpwifi_adapter *adapter,
+				   u32 poll_num)
+{
+	int ret = 0;
+	u16 firmware_stat = 0;
+	u32 tries;
+
+	for (tries = 0; tries < poll_num; tries++) {
+		ret = nxpwifi_sdio_read_fw_status(adapter, &firmware_stat);
+		if (ret)
+			continue;
+		if (firmware_stat == FIRMWARE_READY_SDIO) {
+			ret = 0;
+			break;
+		}
+
+		msleep(100);
+		ret = -EPERM;
+	}
+
+	if (firmware_stat == FIRMWARE_READY_SDIO)
+		/* firmware might pretend to be ready, when it's not.
+		 * Wait a little bit more as a workaround.
+		 */
+		msleep(100);
+
+	return ret;
+}
+
+/* This function checks if WLAN is the winner.
+ */
+static int nxpwifi_check_winner_status(struct nxpwifi_adapter *adapter)
+{
+	int ret;
+	u8 winner = 0;
+	struct sdio_mmc_card *card = adapter->card;
+
+	ret = nxpwifi_read_reg(adapter, card->reg->status_reg_0, &winner);
+	if (ret)
+		return ret;
+
+	if (winner)
+		adapter->winner = 0;
+	else
+		adapter->winner = 1;
+
+	return ret;
+}
+
+/* SDIO remove.
+ *
+ * This function removes the interface and frees up the card structure.
+ */
+static void
+nxpwifi_sdio_remove(struct sdio_func *func)
+{
+	struct sdio_mmc_card *card;
+	struct nxpwifi_adapter *adapter;
+	struct nxpwifi_private *priv;
+	int ret = 0;
+	u16 firmware_stat;
+
+	card = sdio_get_drvdata(func);
+	if (!card)
+		return;
+
+	wait_for_completion(&card->fw_done);
+
+	adapter = card->adapter;
+	if (!adapter || !adapter->priv_num)
+		return;
+
+	nxpwifi_dbg(adapter, INFO, "info: SDIO func num=%d\n", func->num);
+
+	ret = nxpwifi_sdio_read_fw_status(adapter, &firmware_stat);
+	if (!ret && firmware_stat == FIRMWARE_READY_SDIO) {
+		nxpwifi_deauthenticate_all(adapter);
+
+		priv = nxpwifi_get_priv(adapter, NXPWIFI_BSS_ROLE_ANY);
+		nxpwifi_disable_auto_ds(priv);
+		nxpwifi_init_shutdown_fw(priv, NXPWIFI_FUNC_SHUTDOWN);
+	}
+
+	nxpwifi_remove_card(adapter);
+}
+
+/* SDIO suspend.
+ *
+ * Kernel needs to suspend all functions separately. Therefore all
+ * registered functions must have drivers with suspend and resume
+ * methods. Failing that the kernel simply removes the whole card.
+ *
+ * If already not suspended, this function allocates and sends a host
+ * sleep activate request to the firmware and turns off the traffic.
+ */
+static int nxpwifi_sdio_suspend(struct device *dev)
+{
+	struct sdio_func *func = dev_to_sdio_func(dev);
+	struct sdio_mmc_card *card;
+	struct nxpwifi_adapter *adapter;
+	mmc_pm_flag_t pm_flag = 0;
+	int ret = 0;
+
+	pm_flag = sdio_get_host_pm_caps(func);
+	pr_debug("cmd: %s: suspend: PM flag = 0x%x\n",
+		 sdio_func_id(func), pm_flag);
+	if (!(pm_flag & MMC_PM_KEEP_POWER)) {
+		dev_err(dev,
+			"%s: cannot remain alive while host is suspended\n",
+			sdio_func_id(func));
+		return -EPERM;
+	}
+
+	card = sdio_get_drvdata(func);
+	if (!card) {
+		dev_err(dev, "suspend: invalid card\n");
+		return 0;
+	}
+
+	/* Might still be loading firmware */
+	wait_for_completion(&card->fw_done);
+
+	adapter = card->adapter;
+	if (!adapter) {
+		dev_err(dev, "adapter is not valid\n");
+		return 0;
+	}
+
+	if (!adapter->is_up)
+		return -EBUSY;
+
+	nxpwifi_enable_wake(adapter);
+
+	/* Enable the Host Sleep */
+	if (!nxpwifi_enable_hs(adapter)) {
+		nxpwifi_dbg(adapter, ERROR,
+			    "cmd: failed to suspend\n");
+		clear_bit(NXPWIFI_IS_HS_ENABLING, &adapter->work_flags);
+		nxpwifi_disable_wake(adapter);
+		return -EPERM;
+	}
+
+	nxpwifi_dbg(adapter, INFO,
+		    "cmd: suspend with MMC_PM_KEEP_POWER\n");
+	ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
+
+	/* Indicate device suspended */
+	set_bit(NXPWIFI_IS_SUSPENDED, &adapter->work_flags);
+	clear_bit(NXPWIFI_IS_HS_ENABLING, &adapter->work_flags);
+
+	return ret;
+}
+
+static void nxpwifi_sdio_coredump(struct device *dev)
+{
+	struct sdio_func *func = dev_to_sdio_func(dev);
+	struct sdio_mmc_card *card;
+
+	card = sdio_get_drvdata(func);
+	if (!test_and_set_bit(NXPWIFI_IFACE_WORK_DEVICE_DUMP,
+			      &card->work_flags))
+		nxpwifi_queue_work(card->adapter, &card->work);
+}
+
+/* WLAN IDs */
+static const struct sdio_device_id nxpwifi_ids[] = {
+	{SDIO_DEVICE(SDIO_VENDOR_ID_NXP, SDIO_DEVICE_ID_NXP_IW61X),
+		.driver_data = (unsigned long)&nxpwifi_sdio_iw61x},
+	{},
+};
+
+MODULE_DEVICE_TABLE(sdio, nxpwifi_ids);
+
+static const struct dev_pm_ops nxpwifi_sdio_pm_ops = {
+	.suspend = nxpwifi_sdio_suspend,
+	.resume = nxpwifi_sdio_resume,
+};
+
+static struct sdio_driver nxpwifi_sdio = {
+	.name = "nxpwifi_sdio",
+	.id_table = nxpwifi_ids,
+	.probe = nxpwifi_sdio_probe,
+	.remove = nxpwifi_sdio_remove,
+	.drv = {
+		.owner = THIS_MODULE,
+		.coredump = nxpwifi_sdio_coredump,
+		.pm = &nxpwifi_sdio_pm_ops,
+	}
+};
+
+/* This function wakes up the card.
+ *
+ * A host power up command is written to the card configuration
+ * register to wake up the card.
+ */
+static int nxpwifi_pm_wakeup_card(struct nxpwifi_adapter *adapter)
+{
+	nxpwifi_dbg(adapter, EVENT,
+		    "event: wakeup device...\n");
+
+	return nxpwifi_write_reg(adapter, CONFIGURATION_REG, HOST_POWER_UP);
+}
+
+/* This function is called after the card has woken up.
+ *
+ * The card configuration register is reset.
+ */
+static int nxpwifi_pm_wakeup_card_complete(struct nxpwifi_adapter *adapter)
+{
+	nxpwifi_dbg(adapter, EVENT,
+		    "cmd: wakeup device completed\n");
+
+	return nxpwifi_write_reg(adapter, CONFIGURATION_REG, 0);
+}
+
+static int nxpwifi_sdio_dnld_fw(struct nxpwifi_adapter *adapter,
+				struct nxpwifi_fw_image *fw)
+{
+	struct sdio_mmc_card *card = adapter->card;
+	int ret;
+
+	sdio_claim_host(card->func);
+	ret = nxpwifi_dnld_fw(adapter, fw);
+	sdio_release_host(card->func);
+
+	return ret;
+}
+
+/* This function is used to initialize IO ports for the
+ * chipsets supporting SDIO new mode.
+ */
+static int nxpwifi_init_sdio_new_mode(struct nxpwifi_adapter *adapter)
+{
+	u8 reg;
+	struct sdio_mmc_card *card = adapter->card;
+	int ret;
+
+	adapter->ioport = MEM_PORT;
+
+	/* enable sdio new mode */
+	ret = nxpwifi_read_reg(adapter, card->reg->card_cfg_2_1_reg, &reg);
+	if (ret)
+		return ret;
+	ret = nxpwifi_write_reg(adapter, card->reg->card_cfg_2_1_reg,
+				reg | CMD53_NEW_MODE);
+	if (ret)
+		return ret;
+
+	/* Configure cmd port and enable reading rx length from the register */
+	ret = nxpwifi_read_reg(adapter, card->reg->cmd_cfg_0, &reg);
+	if (ret)
+		return ret;
+	ret = nxpwifi_write_reg(adapter, card->reg->cmd_cfg_0,
+				reg | CMD_PORT_RD_LEN_EN);
+	if (ret)
+		return ret;
+
+	/* Enable Dnld/Upld ready auto reset for cmd port after cmd53 is
+	 * completed
+	 */
+	ret = nxpwifi_read_reg(adapter, card->reg->cmd_cfg_1, &reg);
+	if (ret)
+		return ret;
+	ret = nxpwifi_write_reg(adapter, card->reg->cmd_cfg_1,
+				reg | CMD_PORT_AUTO_EN);
+
+	return ret;
+}
+
+/* This function initializes the IO ports.
+ *
+ * The following operations are performed -
+ *      - Read the IO ports (0, 1 and 2)
+ *      - Set host interrupt Reset-To-Read to clear
+ *      - Set auto re-enable interrupt
+ */
+static int nxpwifi_init_sdio_ioport(struct nxpwifi_adapter *adapter)
+{
+	u8 reg;
+	struct sdio_mmc_card *card = adapter->card;
+	int ret;
+
+	ret = nxpwifi_init_sdio_new_mode(adapter);
+	if (ret)
+		return ret;
+
+	nxpwifi_dbg(adapter, INFO,
+		    "info: SDIO FUNC1 IO port: %#x\n", adapter->ioport);
+
+	/* Set Host interrupt reset to read to clear */
+	ret = nxpwifi_read_reg(adapter, card->reg->host_int_rsr_reg, &reg);
+	if (ret)
+		return ret;
+	ret = nxpwifi_write_reg(adapter, card->reg->host_int_rsr_reg,
+				reg | card->reg->sdio_int_mask);
+	if (ret)
+		return ret;
+
+	/* Dnld/Upld ready set to auto reset */
+	ret = nxpwifi_read_reg(adapter, card->reg->card_misc_cfg_reg, &reg);
+	if (ret)
+		return ret;
+	ret = nxpwifi_write_reg(adapter, card->reg->card_misc_cfg_reg,
+				reg | AUTO_RE_ENABLE_INT);
+
+	return ret;
+}
+
+/* This function sends data to the card.
+ */
+static int nxpwifi_write_data_to_card(struct nxpwifi_adapter *adapter,
+				      u8 *payload, u32 pkt_len, u32 port)
+{
+	u32 i = 0;
+	int ret;
+
+	do {
+		ret = nxpwifi_write_data_sync(adapter, payload, pkt_len, port);
+		if (ret) {
+			i++;
+			nxpwifi_dbg(adapter, ERROR,
+				    "host_to_card, write iomem\t"
+				    "(%d) failed: %d\n", i, ret);
+			if (nxpwifi_write_reg(adapter, CONFIGURATION_REG, 0x04))
+				nxpwifi_dbg(adapter, ERROR,
+					    "write CFG reg failed\n");
+
+			if (i > MAX_WRITE_IOMEM_RETRY)
+				return ret;
+		}
+	} while (ret);
+
+	return ret;
+}
+
+/* This function gets the read port.
+ *
+ * If control port bit is set in MP read bitmap, the control port
+ * is returned, otherwise the current read port is returned and
+ * the value is increased (provided it does not reach the maximum
+ * limit, in which case it is reset to 1)
+ */
+static int nxpwifi_get_rd_port(struct nxpwifi_adapter *adapter, u8 *port)
+{
+	struct sdio_mmc_card *card = adapter->card;
+	const struct nxpwifi_sdio_card_reg *reg = card->reg;
+	u32 rd_bitmap = card->mp_rd_bitmap;
+
+	nxpwifi_dbg(adapter, DATA,
+		    "data: mp_rd_bitmap=0x%08x\n", rd_bitmap);
+
+	if (!(rd_bitmap & reg->data_port_mask))
+		return -EINVAL;
+
+	if (!(card->mp_rd_bitmap & (1 << card->curr_rd_port)))
+		return -EINVAL;
+
+	/* We are now handling the SDIO data ports */
+	card->mp_rd_bitmap &= (u32)(~(1 << card->curr_rd_port));
+	*port = card->curr_rd_port;
+
+	if (++card->curr_rd_port == card->max_ports)
+		card->curr_rd_port = reg->start_rd_port;
+
+	nxpwifi_dbg(adapter, DATA,
+		    "data: port=%d mp_rd_bitmap=0x%08x -> 0x%08x\n",
+		    *port, rd_bitmap, card->mp_rd_bitmap);
+
+	return 0;
+}
+
+/* This function gets the write port for data.
+ *
+ * The current write port is returned if available and the value is
+ * increased (provided it does not reach the maximum limit, in which
+ * case it is reset to 1)
+ */
+static int nxpwifi_get_wr_port_data(struct nxpwifi_adapter *adapter, u32 *port)
+{
+	struct sdio_mmc_card *card = adapter->card;
+	const struct nxpwifi_sdio_card_reg *reg = card->reg;
+	u32 wr_bitmap = card->mp_wr_bitmap;
+
+	nxpwifi_dbg(adapter, DATA,
+		    "data: mp_wr_bitmap=0x%08x\n", wr_bitmap);
+
+	if (!(wr_bitmap & card->mp_data_port_mask)) {
+		adapter->data_sent = true;
+		return -EBUSY;
+	}
+
+	if (card->mp_wr_bitmap & (1 << card->curr_wr_port)) {
+		card->mp_wr_bitmap &= (u32)(~(1 << card->curr_wr_port));
+		*port = card->curr_wr_port;
+		if (++card->curr_wr_port == card->mp_end_port)
+			card->curr_wr_port = reg->start_wr_port;
+	} else {
+		adapter->data_sent = true;
+		return -EBUSY;
+	}
+
+	nxpwifi_dbg(adapter, DATA,
+		    "data: port=%d mp_wr_bitmap=0x%08x -> 0x%08x\n",
+		    *port, wr_bitmap, card->mp_wr_bitmap);
+
+	return 0;
+}
+
+/* This function polls the card status.
+ */
+static int
+nxpwifi_sdio_poll_card_status(struct nxpwifi_adapter *adapter, u8 bits)
+{
+	struct sdio_mmc_card *card = adapter->card;
+	u32 tries;
+	u8 cs;
+	int ret;
+
+	for (tries = 0; tries < MAX_POLL_TRIES; tries++) {
+		ret = nxpwifi_read_reg(adapter, card->reg->poll_reg, &cs);
+		if (ret)
+			break;
+		else if ((cs & bits) == bits)
+			return 0;
+
+		usleep_range(10, 20);
+	}
+
+	nxpwifi_dbg(adapter, ERROR,
+		    "poll card status failed, tries = %d\n", tries);
+
+	return ret;
+}
+
+/* This function disables the host interrupt.
+ *
+ * The host interrupt mask is read, the disable bit is reset and
+ * written back to the card host interrupt mask register.
+ */
+static void nxpwifi_sdio_disable_host_int(struct nxpwifi_adapter *adapter)
+{
+	struct sdio_mmc_card *card = adapter->card;
+	struct sdio_func *func = card->func;
+
+	sdio_claim_host(func);
+	nxpwifi_write_reg_locked(func, card->reg->host_int_mask_reg, 0);
+	sdio_release_irq(func);
+	sdio_release_host(func);
+}
+
+/* This function reads the interrupt status from card.
+ */
+static void nxpwifi_interrupt_status(struct nxpwifi_adapter *adapter)
+{
+	struct sdio_mmc_card *card = adapter->card;
+	u8 sdio_ireg;
+	unsigned long flags;
+
+	if (nxpwifi_read_data_sync(adapter, card->mp_regs,
+				   card->reg->max_mp_regs,
+				   REG_PORT | NXPWIFI_SDIO_BYTE_MODE_MASK, 0)) {
+		nxpwifi_dbg(adapter, ERROR, "read mp_regs failed\n");
+		return;
+	}
+
+	sdio_ireg = card->mp_regs[card->reg->host_int_status_reg];
+	if (sdio_ireg) {
+		nxpwifi_dbg(adapter, INTR,
+			    "int: sdio_ireg = %#x\n", sdio_ireg);
+		spin_lock_irqsave(&adapter->int_lock, flags);
+		adapter->int_status |= sdio_ireg;
+		spin_unlock_irqrestore(&adapter->int_lock, flags);
+	}
+}
+
+/* SDIO interrupt handler.
+ *
+ * This function reads the interrupt status from firmware and handles
+ * the interrupt in current thread (ksdioirqd) right away.
+ */
+static void
+nxpwifi_sdio_interrupt(struct sdio_func *func)
+{
+	struct nxpwifi_adapter *adapter;
+	struct sdio_mmc_card *card;
+
+	card = sdio_get_drvdata(func);
+	if (!card || !card->adapter) {
+		pr_err("int: func=%p card=%p adapter=%p\n",
+		       func, card, card ? card->adapter : NULL);
+		return;
+	}
+	adapter = card->adapter;
+
+	if (!adapter->pps_uapsd_mode && adapter->ps_state == PS_STATE_SLEEP)
+		adapter->ps_state = PS_STATE_AWAKE;
+
+	nxpwifi_interrupt_status(adapter);
+	nxpwifi_main_process(adapter);
+}
+
+/* This function enables the host interrupt.
+ *
+ * The host interrupt enable mask is written to the card
+ * host interrupt mask register.
+ */
+static int nxpwifi_sdio_enable_host_int(struct nxpwifi_adapter *adapter)
+{
+	struct sdio_mmc_card *card = adapter->card;
+	struct sdio_func *func = card->func;
+	int ret;
+
+	sdio_claim_host(func);
+
+	/* Request the SDIO IRQ */
+	ret = sdio_claim_irq(func, nxpwifi_sdio_interrupt);
+	if (ret) {
+		nxpwifi_dbg(adapter, ERROR,
+			    "claim irq failed: ret=%d\n", ret);
+		goto done;
+	}
+
+	/* Simply write the mask to the register */
+	ret = nxpwifi_write_reg_locked(func, card->reg->host_int_mask_reg,
+				       card->reg->host_int_enable);
+	if (ret) {
+		nxpwifi_dbg(adapter, ERROR,
+			    "enable host interrupt failed\n");
+		sdio_release_irq(func);
+	}
+
+done:
+	sdio_release_host(func);
+	return ret;
+}
+
+/* This function gets a data buffer from the card.
+ */
+static int nxpwifi_sdio_card_to_host(struct nxpwifi_adapter *adapter,
+				     u32 *type, u8 *buffer,
+				     u32 npayload, u32 ioport)
+{
+	int ret;
+	u32 nb;
+
+	if (!buffer) {
+		nxpwifi_dbg(adapter, ERROR,
+			    "%s: buffer is NULL\n", __func__);
+		return -EINVAL;
+	}
+
+	ret = nxpwifi_read_data_sync(adapter, buffer, npayload, ioport, 1);
+
+	if (ret) {
+		nxpwifi_dbg(adapter, ERROR,
+			    "%s: read iomem failed: %d\n", __func__,
+			ret);
+		return ret;
+	}
+
+	nb = get_unaligned_le16((buffer));
+	if (nb > npayload) {
+		nxpwifi_dbg(adapter, ERROR,
+			    "%s: invalid packet, nb=%d npayload=%d\n",
+			    __func__, nb, npayload);
+		return -EINVAL;
+	}
+
+	*type = get_unaligned_le16((buffer + 2));
+
+	return ret;
+}
+
+/* This function downloads the firmware to the card.
+ *
+ * Firmware is downloaded to the card in blocks. Every block download
+ * is tested for CRC errors, and retried a number of times before
+ * returning failure.
+ */
+static int nxpwifi_prog_fw_w_helper(struct nxpwifi_adapter *adapter,
+				    struct nxpwifi_fw_image *fw)
+{
+	struct sdio_mmc_card *card = adapter->card;
+	const struct nxpwifi_sdio_card_reg *reg = card->reg;
+	int ret;
+	u8 *firmware = fw->fw_buf;
+	u32 firmware_len = fw->fw_len;
+	u32 offset = 0;
+	u8 base0, base1;
+	u8 *fwbuf;
+	u16 len = 0;
+	u32 txlen, tx_blocks = 0, tries;
+	u32 i = 0;
+
+	if (!firmware_len) {
+		nxpwifi_dbg(adapter, ERROR,
+			    "firmware image not found! Terminating download\n");
+		return -EINVAL;
+	}
+
+	nxpwifi_dbg(adapter, INFO,
+		    "info: downloading FW image (%d bytes)\n",
+		    firmware_len);
+
+	/* Assume that the allocated buffer is 8-byte aligned */
+	fwbuf = kzalloc(NXPWIFI_UPLD_SIZE, GFP_KERNEL);
+	if (!fwbuf)
+		return -ENOMEM;
+
+	sdio_claim_host(card->func);
+
+	/* Perform firmware data transfer */
+	do {
+		/* The host polls for the DN_LD_CARD_RDY and CARD_IO_READY
+		 * bits
+		 */
+		ret = nxpwifi_sdio_poll_card_status(adapter, CARD_IO_READY |
+						    DN_LD_CARD_RDY);
+		if (ret) {
+			nxpwifi_dbg(adapter, ERROR,
+				    "FW download with helper:\t"
+				    "poll status timeout @ %d\n", offset);
+			goto done;
+		}
+
+		/* More data? */
+		if (offset >= firmware_len)
+			break;
+
+		for (tries = 0; tries < MAX_POLL_TRIES; tries++) {
+			ret = nxpwifi_read_reg(adapter, reg->base_0_reg,
+					       &base0);
+			if (ret) {
+				nxpwifi_dbg(adapter, ERROR,
+					    "dev BASE0 register read failed:\t"
+					    "base0=%#04X(%d). Terminating dnld\n",
+					    base0, base0);
+				goto done;
+			}
+			ret = nxpwifi_read_reg(adapter, reg->base_1_reg,
+					       &base1);
+			if (ret) {
+				nxpwifi_dbg(adapter, ERROR,
+					    "dev BASE1 register read failed:\t"
+					    "base1=%#04X(%d). Terminating dnld\n",
+					    base1, base1);
+				goto done;
+			}
+			len = (u16)(((base1 & 0xff) << 8) | (base0 & 0xff));
+
+			if (len)
+				break;
+
+			usleep_range(10, 20);
+		}
+
+		if (!len) {
+			break;
+		} else if (len > NXPWIFI_UPLD_SIZE) {
+			nxpwifi_dbg(adapter, ERROR,
+				    "FW dnld failed @ %d, invalid length %d\n",
+				    offset, len);
+			ret = -EINVAL;
+			goto done;
+		}
+
+		txlen = len;
+
+		if (len & BIT(0)) {
+			i++;
+			if (i > MAX_WRITE_IOMEM_RETRY) {
+				nxpwifi_dbg(adapter, ERROR,
+					    "FW dnld failed @ %d, over max retry\n",
+					    offset);
+				ret = -EIO;
+				goto done;
+			}
+			nxpwifi_dbg(adapter, ERROR,
+				    "CRC indicated by the helper:\t"
+				    "len = 0x%04X, txlen = %d\n", len, txlen);
+			len &= ~BIT(0);
+			/* Setting this to 0 to resend from same offset */
+			txlen = 0;
+		} else {
+			i = 0;
+
+			/* Set blocksize to transfer - checking for last
+			 * block
+			 */
+			if (firmware_len - offset < txlen)
+				txlen = firmware_len - offset;
+
+			tx_blocks = (txlen + NXPWIFI_SDIO_BLOCK_SIZE - 1)
+				    / NXPWIFI_SDIO_BLOCK_SIZE;
+
+			/* Copy payload to buffer */
+			memmove(fwbuf, &firmware[offset], txlen);
+		}
+
+		ret = nxpwifi_write_data_sync(adapter, fwbuf, tx_blocks *
+					      NXPWIFI_SDIO_BLOCK_SIZE,
+					      adapter->ioport);
+		if (ret) {
+			nxpwifi_dbg(adapter, ERROR,
+				    "FW download, write iomem (%d) failed @ %d\n",
+				    i, offset);
+			if (nxpwifi_write_reg(adapter, CONFIGURATION_REG, 0x04))
+				nxpwifi_dbg(adapter, ERROR,
+					    "write CFG reg failed\n");
+
+			goto done;
+		}
+
+		offset += txlen;
+	} while (true);
+
+	nxpwifi_dbg(adapter, MSG,
+		    "info: FW download over, size %d bytes\n", offset);
+
+	ret = 0;
+done:
+	sdio_release_host(card->func);
+	kfree(fwbuf);
+	return ret;
+}
+
+/* This function decodes sdio aggregation pkt.
+ *
+ * Based on the data block size and pkt_len,
+ * skb data will be decoded to few packets.
+ */
+static void nxpwifi_deaggr_sdio_pkt(struct nxpwifi_adapter *adapter,
+				    struct sk_buff *skb)
+{
+	u32 total_pkt_len, pkt_len;
+	struct sk_buff *skb_deaggr;
+	u16 blk_size;
+	u8 blk_num;
+	u8 *data;
+
+	data = skb->data;
+	total_pkt_len = skb->len;
+
+	while (total_pkt_len >= (SDIO_HEADER_OFFSET + adapter->intf_hdr_len)) {
+		if (total_pkt_len < adapter->sdio_rx_block_size)
+			break;
+		blk_num = *(data + BLOCK_NUMBER_OFFSET);
+		blk_size = adapter->sdio_rx_block_size * blk_num;
+		if (blk_size > total_pkt_len) {
+			nxpwifi_dbg(adapter, ERROR,
+				    "%s: error in blk_size,\t"
+				    "blk_num=%d, blk_size=%d, total_pkt_len=%d\n",
+				    __func__, blk_num, blk_size, total_pkt_len);
+			break;
+		}
+		pkt_len = get_unaligned_le16((data +
+					     SDIO_HEADER_OFFSET));
+		if ((pkt_len + SDIO_HEADER_OFFSET) > blk_size) {
+			nxpwifi_dbg(adapter, ERROR,
+				    "%s: error in pkt_len,\t"
+				    "pkt_len=%d, blk_size=%d\n",
+				    __func__, pkt_len, blk_size);
+			break;
+		}
+
+		skb_deaggr = nxpwifi_alloc_dma_align_buf(pkt_len, GFP_KERNEL);
+		if (!skb_deaggr)
+			break;
+		skb_put(skb_deaggr, pkt_len);
+		memcpy(skb_deaggr->data, data + SDIO_HEADER_OFFSET, pkt_len);
+		skb_pull(skb_deaggr, adapter->intf_hdr_len);
+
+		nxpwifi_handle_rx_packet(adapter, skb_deaggr);
+		data += blk_size;
+		total_pkt_len -= blk_size;
+	}
+}
+
+/* This function decodes a received packet.
+ *
+ * Based on the type, the packet is treated as either a data, or
+ * a command response, or an event, and the correct handler
+ * function is invoked.
+ */
+static void nxpwifi_decode_rx_packet(struct nxpwifi_adapter *adapter,
+				     struct sk_buff *skb, u32 upld_typ)
+{
+	u8 *cmd_buf;
+	u16 pkt_len;
+	struct nxpwifi_rxinfo *rx_info;
+
+	pkt_len = get_unaligned_le16(skb->data);
+
+	if (upld_typ != NXPWIFI_TYPE_AGGR_DATA) {
+		skb_trim(skb, pkt_len);
+		skb_pull(skb, adapter->intf_hdr_len);
+	}
+
+	switch (upld_typ) {
+	case NXPWIFI_TYPE_AGGR_DATA:
+		nxpwifi_dbg(adapter, INFO,
+			    "info: --- Rx: Aggr Data packet ---\n");
+		rx_info = NXPWIFI_SKB_RXCB(skb);
+		rx_info->buf_type = NXPWIFI_TYPE_AGGR_DATA;
+		skb_queue_tail(&adapter->rx_data_q, skb);
+		adapter->data_received = true;
+		tasklet_schedule(&adapter->rx_task);
+		break;
+
+	case NXPWIFI_TYPE_DATA:
+		nxpwifi_dbg(adapter, DATA,
+			    "info: --- Rx: Data packet ---\n");
+		skb_queue_tail(&adapter->rx_data_q, skb);
+		adapter->data_received = true;
+		tasklet_schedule(&adapter->rx_task);
+		break;
+
+	case NXPWIFI_TYPE_CMD:
+		nxpwifi_dbg(adapter, CMD,
+			    "info: --- Rx: Cmd Response ---\n");
+		/* take care of curr_cmd = NULL case */
+		if (!adapter->curr_cmd) {
+			cmd_buf = adapter->upld_buf;
+
+			if (adapter->ps_state == PS_STATE_SLEEP_CFM)
+				nxpwifi_process_sleep_confirm_resp(adapter,
+								   skb->data,
+								   skb->len);
+
+			memcpy(cmd_buf, skb->data,
+			       min_t(u32, NXPWIFI_SIZE_OF_CMD_BUFFER,
+				     skb->len));
+
+			dev_kfree_skb_any(skb);
+		} else {
+			adapter->cmd_resp_received = true;
+			adapter->curr_cmd->resp_skb = skb;
+		}
+		break;
+
+	case NXPWIFI_TYPE_EVENT:
+		nxpwifi_dbg(adapter, EVENT,
+			    "info: --- Rx: Event ---\n");
+		adapter->event_cause = get_unaligned_le32(skb->data);
+
+		if (skb->len > 0 && skb->len  < MAX_EVENT_SIZE)
+			memcpy(adapter->event_body,
+			       skb->data + NXPWIFI_EVENT_HEADER_LEN,
+			       skb->len);
+
+		/* event cause has been saved to adapter->event_cause */
+		adapter->event_received = true;
+		adapter->event_skb = skb;
+
+		break;
+
+	default:
+		nxpwifi_dbg(adapter, ERROR,
+			    "unknown upload type %#x\n", upld_typ);
+		dev_kfree_skb_any(skb);
+		break;
+	}
+}
+
+/* This function transfers received packets from card to driver, performing
+ * aggregation if required.
+ *
+ * For data received on control port, or if aggregation is disabled, the
+ * received buffers are uploaded as separate packets. However, if aggregation
+ * is enabled and required, the buffers are copied onto an aggregation buffer,
+ * provided there is space left, processed and finally uploaded.
+ */
+static int nxpwifi_sdio_card_to_host_mp_aggr(struct nxpwifi_adapter *adapter,
+					     u16 rx_len, u8 port)
+{
+	struct sdio_mmc_card *card = adapter->card;
+	s32 f_do_rx_aggr = 0;
+	s32 f_do_rx_cur = 0;
+	s32 f_aggr_cur = 0;
+	s32 f_post_aggr_cur = 0;
+	struct sk_buff *skb_deaggr;
+	struct sk_buff *skb = NULL;
+	u32 pkt_len, pkt_type, mport, pind;
+	u8 *curr_ptr;
+	int ret = 0;
+
+	if (!card->mpa_rx.enabled) {
+		nxpwifi_dbg(adapter, WARN,
+			    "info: %s: rx aggregation disabled\n",
+			    __func__);
+
+		f_do_rx_cur = 1;
+		goto rx_curr_single;
+	}
+
+	if (card->mp_rd_bitmap & card->reg->data_port_mask) {
+		/* Some more data RX pending */
+		nxpwifi_dbg(adapter, INFO,
+			    "info: %s: not last packet\n", __func__);
+
+		if (MP_RX_AGGR_IN_PROGRESS(card)) {
+			if (MP_RX_AGGR_BUF_HAS_ROOM(card, rx_len)) {
+				f_aggr_cur = 1;
+			} else {
+				/* No room in Aggr buf, do rx aggr now */
+				f_do_rx_aggr = 1;
+				f_post_aggr_cur = 1;
+			}
+		} else {
+			/* Rx aggr not in progress */
+			f_aggr_cur = 1;
+		}
+
+	} else {
+		/* No more data RX pending */
+		nxpwifi_dbg(adapter, INFO,
+			    "info: %s: last packet\n", __func__);
+
+		if (MP_RX_AGGR_IN_PROGRESS(card)) {
+			f_do_rx_aggr = 1;
+			if (MP_RX_AGGR_BUF_HAS_ROOM(card, rx_len))
+				f_aggr_cur = 1;
+			else
+				/* No room in Aggr buf, do rx aggr now */
+				f_do_rx_cur = 1;
+		} else {
+			f_do_rx_cur = 1;
+		}
+	}
+
+	if (f_aggr_cur) {
+		nxpwifi_dbg(adapter, INFO,
+			    "info: current packet aggregation\n");
+		/* Curr pkt can be aggregated */
+		mp_rx_aggr_setup(card, rx_len, port);
+
+		if (MP_RX_AGGR_PKT_LIMIT_REACHED(card) ||
+		    mp_rx_aggr_port_limit_reached(card)) {
+			nxpwifi_dbg(adapter, INFO,
+				    "info: %s: aggregated packet\t"
+				    "limit reached\n", __func__);
+			/* No more pkts allowed in Aggr buf, rx it */
+			f_do_rx_aggr = 1;
+		}
+	}
+
+	if (f_do_rx_aggr) {
+		u32 port_count;
+		int i;
+
+		/* do aggr RX now */
+		nxpwifi_dbg(adapter, DATA,
+			    "info: do_rx_aggr: num of packets: %d\n",
+			    card->mpa_rx.pkt_cnt);
+
+		for (i = 0, port_count = 0; i < card->max_ports; i++)
+			if (card->mpa_rx.ports & BIT(i))
+				port_count++;
+
+		/* Reading data from "start_port + 0" to "start_port +
+		 * port_count -1", so decrease the count by 1
+		 */
+		port_count--;
+		mport = (adapter->ioport | SDIO_MPA_ADDR_BASE |
+			 (port_count << 8)) + card->mpa_rx.start_port;
+
+		if (card->mpa_rx.pkt_cnt == 1)
+			mport = adapter->ioport + card->mpa_rx.start_port;
+
+		ret = nxpwifi_read_data_sync(adapter, card->mpa_rx.buf,
+					     card->mpa_rx.buf_len, mport, 1);
+		if (ret)
+			goto error;
+
+		curr_ptr = card->mpa_rx.buf;
+
+		for (pind = 0; pind < card->mpa_rx.pkt_cnt; pind++) {
+			u32 *len_arr = card->mpa_rx.len_arr;
+
+			/* get curr PKT len & type */
+			pkt_len = get_unaligned_le16(&curr_ptr[0]);
+			pkt_type = get_unaligned_le16(&curr_ptr[2]);
+
+			/* copy pkt to deaggr buf */
+			skb_deaggr = nxpwifi_alloc_dma_align_buf(len_arr[pind],
+								 GFP_KERNEL);
+			if (!skb_deaggr) {
+				nxpwifi_dbg(adapter, ERROR, "skb allocation failure\t"
+					    "drop pkt len=%d type=%d\n",
+					    pkt_len, pkt_type);
+				curr_ptr += len_arr[pind];
+				continue;
+			}
+
+			skb_put(skb_deaggr, len_arr[pind]);
+
+			if ((pkt_type == NXPWIFI_TYPE_DATA ||
+			     (pkt_type == NXPWIFI_TYPE_AGGR_DATA &&
+			      adapter->sdio_rx_aggr_enable)) &&
+			    pkt_len <= len_arr[pind]) {
+				memcpy(skb_deaggr->data, curr_ptr, pkt_len);
+
+				skb_trim(skb_deaggr, pkt_len);
+
+				/* Process de-aggr packet */
+				nxpwifi_decode_rx_packet(adapter, skb_deaggr,
+							 pkt_type);
+			} else {
+				nxpwifi_dbg(adapter, ERROR,
+					    "drop wrong aggr pkt:\t"
+					    "sdio_single_port_rx_aggr=%d\t"
+					    "type=%d len=%d max_len=%d\n",
+					    adapter->sdio_rx_aggr_enable,
+					    pkt_type, pkt_len, len_arr[pind]);
+				dev_kfree_skb_any(skb_deaggr);
+			}
+			curr_ptr += len_arr[pind];
+		}
+		MP_RX_AGGR_BUF_RESET(card);
+	}
+
+rx_curr_single:
+	if (f_do_rx_cur) {
+		nxpwifi_dbg(adapter, INFO, "info: RX: port: %d, rx_len: %d\n",
+			    port, rx_len);
+
+		skb = nxpwifi_alloc_dma_align_buf(rx_len, GFP_KERNEL);
+		if (!skb) {
+			nxpwifi_dbg(adapter, ERROR,
+				    "single skb allocated fail,\t"
+				    "drop pkt port=%d len=%d\n", port, rx_len);
+			ret = nxpwifi_sdio_card_to_host(adapter, &pkt_type,
+							card->mpa_rx.buf,
+							rx_len,
+							adapter->ioport + port);
+			if (ret)
+				goto error;
+			return 0;
+		}
+
+		skb_put(skb, rx_len);
+
+		ret = nxpwifi_sdio_card_to_host(adapter, &pkt_type,
+						skb->data, skb->len,
+						adapter->ioport + port);
+		if (ret)
+			goto error;
+		if (!adapter->sdio_rx_aggr_enable &&
+		    pkt_type == NXPWIFI_TYPE_AGGR_DATA) {
+			nxpwifi_dbg(adapter, ERROR, "drop wrong pkt type %d\t"
+				    "current SDIO RX Aggr not enabled\n",
+				    pkt_type);
+			dev_kfree_skb_any(skb);
+			return 0;
+		}
+
+		nxpwifi_decode_rx_packet(adapter, skb, pkt_type);
+	}
+	if (f_post_aggr_cur) {
+		nxpwifi_dbg(adapter, INFO,
+			    "info: current packet aggregation\n");
+		/* Curr pkt can be aggregated */
+		mp_rx_aggr_setup(card, rx_len, port);
+	}
+
+	return 0;
+error:
+	if (MP_RX_AGGR_IN_PROGRESS(card))
+		MP_RX_AGGR_BUF_RESET(card);
+
+	if (f_do_rx_cur && skb)
+		/* Single transfer pending. Free curr buff also */
+		dev_kfree_skb_any(skb);
+
+	return ret;
+}
+
+/* This function checks the current interrupt status.
+ *
+ * The following interrupts are checked and handled by this function -
+ *      - Data sent
+ *      - Command sent
+ *      - Packets received
+ *
+ * Since the firmware does not generate download ready interrupt if the
+ * port updated is command port only, command sent interrupt checking
+ * should be done manually, and for every SDIO interrupt.
+ *
+ * In case of Rx packets received, the packets are uploaded from card to
+ * host and processed accordingly.
+ */
+static int nxpwifi_process_int_status(struct nxpwifi_adapter *adapter)
+{
+	struct sdio_mmc_card *card = adapter->card;
+	const struct nxpwifi_sdio_card_reg *reg = card->reg;
+	int ret = 0;
+	u8 sdio_ireg;
+	struct sk_buff *skb;
+	u8 port;
+	u32 len_reg_l, len_reg_u;
+	u32 rx_blocks;
+	u16 rx_len;
+	unsigned long flags;
+	u32 bitmap;
+	u8 cr;
+
+	spin_lock_irqsave(&adapter->int_lock, flags);
+	sdio_ireg = adapter->int_status;
+	adapter->int_status = 0;
+	spin_unlock_irqrestore(&adapter->int_lock, flags);
+
+	if (!sdio_ireg)
+		return ret;
+
+	if (sdio_ireg & DN_LD_CMD_PORT_HOST_INT_STATUS && adapter->cmd_sent)
+		adapter->cmd_sent = false;
+
+	if (sdio_ireg & UP_LD_CMD_PORT_HOST_INT_STATUS) {
+		u32 pkt_type;
+
+		/* read the len of control packet */
+		rx_len = card->mp_regs[reg->cmd_rd_len_1] << 8;
+		rx_len |= (u16)card->mp_regs[reg->cmd_rd_len_0];
+		rx_blocks = DIV_ROUND_UP(rx_len, NXPWIFI_SDIO_BLOCK_SIZE);
+		if (rx_len <= adapter->intf_hdr_len ||
+		    (rx_blocks * NXPWIFI_SDIO_BLOCK_SIZE) >
+		     NXPWIFI_RX_DATA_BUF_SIZE)
+			return -EINVAL;
+		rx_len = (u16)(rx_blocks * NXPWIFI_SDIO_BLOCK_SIZE);
+		nxpwifi_dbg(adapter, INFO, "info: rx_len = %d\n", rx_len);
+
+		skb = nxpwifi_alloc_dma_align_buf(rx_len, GFP_KERNEL);
+		if (!skb)
+			return -ENOMEM;
+
+		skb_put(skb, rx_len);
+
+		ret = nxpwifi_sdio_card_to_host(adapter, &pkt_type, skb->data,
+						skb->len, adapter->ioport |
+						CMD_PORT_SLCT);
+		if (ret) {
+			nxpwifi_dbg(adapter, ERROR,
+				    "%s: failed to card_to_host", __func__);
+			dev_kfree_skb_any(skb);
+			goto term_cmd;
+		}
+
+		if (pkt_type != NXPWIFI_TYPE_CMD &&
+		    pkt_type != NXPWIFI_TYPE_EVENT)
+			nxpwifi_dbg(adapter, ERROR,
+				    "%s:Received wrong packet on cmd port",
+				    __func__);
+
+		nxpwifi_decode_rx_packet(adapter, skb, pkt_type);
+	}
+
+	if (sdio_ireg & DN_LD_HOST_INT_STATUS) {
+		bitmap = (u32)card->mp_regs[reg->wr_bitmap_l];
+		bitmap |= ((u32)card->mp_regs[reg->wr_bitmap_u]) << 8;
+		bitmap |= ((u32)card->mp_regs[reg->wr_bitmap_1l]) << 16;
+		bitmap |= ((u32)card->mp_regs[reg->wr_bitmap_1u]) << 24;
+		card->mp_wr_bitmap = bitmap;
+
+		nxpwifi_dbg(adapter, INTR,
+			    "int: DNLD: wr_bitmap=0x%x\n",
+			    card->mp_wr_bitmap);
+		if (adapter->data_sent &&
+		    (card->mp_wr_bitmap & card->mp_data_port_mask)) {
+			nxpwifi_dbg(adapter, INTR,
+				    "info:  <--- Tx DONE Interrupt --->\n");
+			adapter->data_sent = false;
+		}
+	}
+
+	nxpwifi_dbg(adapter, INTR, "info: cmd_sent=%d data_sent=%d\n",
+		    adapter->cmd_sent, adapter->data_sent);
+	if (sdio_ireg & UP_LD_HOST_INT_STATUS) {
+		bitmap = (u32)card->mp_regs[reg->rd_bitmap_l];
+		bitmap |= ((u32)card->mp_regs[reg->rd_bitmap_u]) << 8;
+		bitmap |= ((u32)card->mp_regs[reg->rd_bitmap_1l]) << 16;
+		bitmap |= ((u32)card->mp_regs[reg->rd_bitmap_1u]) << 24;
+		card->mp_rd_bitmap = bitmap;
+		nxpwifi_dbg(adapter, INTR,
+			    "int: UPLD: rd_bitmap=0x%x\n",
+			    card->mp_rd_bitmap);
+
+		while (true) {
+			ret = nxpwifi_get_rd_port(adapter, &port);
+			if (ret) {
+				nxpwifi_dbg(adapter, INFO,
+					    "info: no more rd_port available\n");
+				break;
+			}
+			len_reg_l = reg->rd_len_p0_l + (port << 1);
+			len_reg_u = reg->rd_len_p0_u + (port << 1);
+			rx_len = ((u16)card->mp_regs[len_reg_u]) << 8;
+			rx_len |= (u16)card->mp_regs[len_reg_l];
+			nxpwifi_dbg(adapter, INFO,
+				    "info: RX: port=%d rx_len=%u\n",
+				    port, rx_len);
+			rx_blocks =
+				(rx_len + NXPWIFI_SDIO_BLOCK_SIZE -
+				 1) / NXPWIFI_SDIO_BLOCK_SIZE;
+			if (rx_len <= adapter->intf_hdr_len ||
+			    (card->mpa_rx.enabled &&
+			     ((rx_blocks * NXPWIFI_SDIO_BLOCK_SIZE) >
+			      card->mpa_rx.buf_size))) {
+				nxpwifi_dbg(adapter, ERROR,
+					    "invalid rx_len=%d\n",
+					    rx_len);
+				return -EINVAL;
+			}
+
+			rx_len = (u16)(rx_blocks * NXPWIFI_SDIO_BLOCK_SIZE);
+			nxpwifi_dbg(adapter, INFO, "info: rx_len = %d\n",
+				    rx_len);
+
+			ret = nxpwifi_sdio_card_to_host_mp_aggr(adapter, rx_len,
+								port);
+			if (ret) {
+				nxpwifi_dbg(adapter, ERROR,
+					    "card_to_host_mpa failed: int status=%#x\n",
+					    sdio_ireg);
+				goto term_cmd;
+			}
+		}
+	}
+
+	return 0;
+
+term_cmd:
+	/* terminate cmd */
+	if (nxpwifi_read_reg(adapter, CONFIGURATION_REG, &cr))
+		nxpwifi_dbg(adapter, ERROR, "read CFG reg failed\n");
+	else
+		nxpwifi_dbg(adapter, INFO,
+			    "info: CFG reg val = %d\n", cr);
+
+	if (nxpwifi_write_reg(adapter, CONFIGURATION_REG, (cr | 0x04)))
+		nxpwifi_dbg(adapter, ERROR,
+			    "write CFG reg failed\n");
+	else
+		nxpwifi_dbg(adapter, INFO, "info: write success\n");
+
+	if (nxpwifi_read_reg(adapter, CONFIGURATION_REG, &cr))
+		nxpwifi_dbg(adapter, ERROR,
+			    "read CFG reg failed\n");
+	else
+		nxpwifi_dbg(adapter, INFO,
+			    "info: CFG reg val =%x\n", cr);
+
+	return ret;
+}
+
+/* This function aggregates transmission buffers in driver and downloads
+ * the aggregated packet to card.
+ *
+ * The individual packets are aggregated by copying into an aggregation
+ * buffer and then downloaded to the card. Previous unsent packets in the
+ * aggregation buffer are pre-copied first before new packets are added.
+ * Aggregation is done till there is space left in the aggregation buffer,
+ * or till new packets are available.
+ *
+ * The function will only download the packet to the card when aggregation
+ * stops, otherwise it will just aggregate the packet in aggregation buffer
+ * and return.
+ */
+static int nxpwifi_host_to_card_mp_aggr(struct nxpwifi_adapter *adapter,
+					u8 *payload, u32 pkt_len, u32 port,
+					u32 next_pkt_len)
+{
+	struct sdio_mmc_card *card = adapter->card;
+	int ret = 0;
+	s32 f_send_aggr_buf = 0;
+	s32 f_send_cur_buf = 0;
+	s32 f_precopy_cur_buf = 0;
+	s32 f_postcopy_cur_buf = 0;
+	u32 mport;
+	int index;
+
+	if (!card->mpa_tx.enabled || port == CMD_PORT_SLCT) {
+		nxpwifi_dbg(adapter, WARN,
+			    "info: %s: tx aggregation disabled\n",
+			    __func__);
+
+		f_send_cur_buf = 1;
+		goto tx_curr_single;
+	}
+
+	if (next_pkt_len) {
+		/* More pkt in TX queue */
+		nxpwifi_dbg(adapter, INFO,
+			    "info: %s: more packets in queue.\n",
+			    __func__);
+
+		if (MP_TX_AGGR_IN_PROGRESS(card)) {
+			if (MP_TX_AGGR_BUF_HAS_ROOM(card, pkt_len)) {
+				f_precopy_cur_buf = 1;
+
+				if (!(card->mp_wr_bitmap &
+				      (1 << card->curr_wr_port)) ||
+				    !MP_TX_AGGR_BUF_HAS_ROOM
+				     (card, pkt_len + next_pkt_len))
+					f_send_aggr_buf = 1;
+			} else {
+				/* No room in Aggr buf, send it */
+				f_send_aggr_buf = 1;
+
+				if (!(card->mp_wr_bitmap &
+				      (1 << card->curr_wr_port)))
+					f_send_cur_buf = 1;
+				else
+					f_postcopy_cur_buf = 1;
+			}
+		} else {
+			if (MP_TX_AGGR_BUF_HAS_ROOM(card, pkt_len) &&
+			    (card->mp_wr_bitmap & (1 << card->curr_wr_port)))
+				f_precopy_cur_buf = 1;
+			else
+				f_send_cur_buf = 1;
+		}
+	} else {
+		/* Last pkt in TX queue */
+		nxpwifi_dbg(adapter, INFO,
+			    "info: %s: Last packet in Tx Queue.\n",
+			    __func__);
+
+		if (MP_TX_AGGR_IN_PROGRESS(card)) {
+			/* some packs in Aggr buf already */
+			f_send_aggr_buf = 1;
+
+			if (MP_TX_AGGR_BUF_HAS_ROOM(card, pkt_len))
+				f_precopy_cur_buf = 1;
+			else
+				/* No room in Aggr buf, send it */
+				f_send_cur_buf = 1;
+		} else {
+			f_send_cur_buf = 1;
+		}
+	}
+
+	if (f_precopy_cur_buf) {
+		nxpwifi_dbg(adapter, DATA,
+			    "data: %s: precopy current buffer\n",
+			    __func__);
+		MP_TX_AGGR_BUF_PUT(card, payload, pkt_len, port);
+
+		if (MP_TX_AGGR_PKT_LIMIT_REACHED(card) ||
+		    mp_tx_aggr_port_limit_reached(card))
+			/* No more pkts allowed in Aggr buf, send it */
+			f_send_aggr_buf = 1;
+	}
+
+	if (f_send_aggr_buf) {
+		u32 port_count;
+		int i;
+
+		nxpwifi_dbg(adapter, DATA,
+			    "data: %s: send aggr buffer: %d %d\n",
+			    __func__, card->mpa_tx.start_port,
+			    card->mpa_tx.ports);
+
+		for (i = 0, port_count = 0; i < card->max_ports; i++)
+			if (card->mpa_tx.ports & BIT(i))
+				port_count++;
+
+		/* Writing data from "start_port + 0" to "start_port +
+		 * port_count -1", so decrease the count by 1
+		 */
+		port_count--;
+		mport = (adapter->ioport | SDIO_MPA_ADDR_BASE |
+			 (port_count << 8)) + card->mpa_tx.start_port;
+
+		if (card->mpa_tx.pkt_cnt == 1)
+			mport = adapter->ioport + card->mpa_tx.start_port;
+
+		ret = nxpwifi_write_data_to_card(adapter, card->mpa_tx.buf,
+						 card->mpa_tx.buf_len, mport);
+
+		/* Save the last multi port tx aggregation info to debug log */
+		index = adapter->dbg.last_sdio_mp_index;
+		index = (index + 1) % NXPWIFI_DBG_SDIO_MP_NUM;
+		adapter->dbg.last_sdio_mp_index = index;
+		adapter->dbg.last_mp_wr_ports[index] = mport;
+		adapter->dbg.last_mp_wr_bitmap[index] = card->mp_wr_bitmap;
+		adapter->dbg.last_mp_wr_len[index] = card->mpa_tx.buf_len;
+		adapter->dbg.last_mp_curr_wr_port[index] = card->curr_wr_port;
+
+		MP_TX_AGGR_BUF_RESET(card);
+	}
+
+tx_curr_single:
+	if (f_send_cur_buf) {
+		nxpwifi_dbg(adapter, DATA,
+			    "data: %s: send current buffer %d\n",
+			    __func__, port);
+		ret = nxpwifi_write_data_to_card(adapter, payload, pkt_len,
+						 adapter->ioport + port);
+	}
+
+	if (f_postcopy_cur_buf) {
+		nxpwifi_dbg(adapter, DATA,
+			    "data: %s: postcopy current buffer\n",
+			    __func__);
+		MP_TX_AGGR_BUF_PUT(card, payload, pkt_len, port);
+	}
+
+	return ret;
+}
+
+/* This function downloads data from driver to card.
+ *
+ * Both commands and data packets are transferred to the card by this
+ * function.
+ *
+ * This function adds the SDIO specific header to the front of the buffer
+ * before transferring. The header contains the length of the packet and
+ * the type. The firmware handles the packets based upon this set type.
+ */
+static int nxpwifi_sdio_host_to_card(struct nxpwifi_adapter *adapter,
+				     u8 type, struct sk_buff *skb,
+				     struct nxpwifi_tx_param *tx_param)
+{
+	struct sdio_mmc_card *card = adapter->card;
+	int ret;
+	u32 buf_block_len;
+	u32 blk_size;
+	u32 port;
+	u8 *payload = (u8 *)skb->data;
+	u32 pkt_len = skb->len;
+
+	/* Allocate buffer and copy payload */
+	blk_size = NXPWIFI_SDIO_BLOCK_SIZE;
+	buf_block_len = (pkt_len + blk_size - 1) / blk_size;
+	put_unaligned_le16((u16)pkt_len, payload + 0);
+	put_unaligned_le16((u16)type, payload + 2);
+
+	/* This is SDIO specific header
+	 *  u16 length,
+	 *  u16 type (NXPWIFI_TYPE_DATA = 0, NXPWIFI_TYPE_CMD = 1,
+	 *  NXPWIFI_TYPE_EVENT = 3)
+	 */
+	if (type == NXPWIFI_TYPE_DATA) {
+		ret = nxpwifi_get_wr_port_data(adapter, &port);
+		if (ret) {
+			nxpwifi_dbg(adapter, ERROR,
+				    "%s: no wr_port available\n",
+				    __func__);
+			return ret;
+		}
+	} else {
+		adapter->cmd_sent = true;
+
+		if (pkt_len <= adapter->intf_hdr_len ||
+		    pkt_len > NXPWIFI_UPLD_SIZE)
+			nxpwifi_dbg(adapter, ERROR,
+				    "%s: payload=%p, nb=%d\n",
+				    __func__, payload, pkt_len);
+
+		port = CMD_PORT_SLCT;
+	}
+
+	/* Transfer data to card */
+	pkt_len = buf_block_len * blk_size;
+
+	if (tx_param)
+		ret = nxpwifi_host_to_card_mp_aggr(adapter, payload, pkt_len,
+						   port, tx_param->next_pkt_len
+						   );
+	else
+		ret = nxpwifi_host_to_card_mp_aggr(adapter, payload, pkt_len,
+						   port, 0);
+
+	if (ret) {
+		if (type == NXPWIFI_TYPE_CMD ||
+		    type == NXPWIFI_TYPE_VDLL)
+			adapter->cmd_sent = false;
+		if (type == NXPWIFI_TYPE_DATA) {
+			adapter->data_sent = false;
+			/* restore curr_wr_port in error cases */
+			card->curr_wr_port = port;
+			card->mp_wr_bitmap |= (u32)(1 << card->curr_wr_port);
+		}
+	} else {
+		if (type == NXPWIFI_TYPE_DATA) {
+			if (!(card->mp_wr_bitmap & (1 << card->curr_wr_port)))
+				adapter->data_sent = true;
+			else
+				adapter->data_sent = false;
+		}
+	}
+
+	return ret;
+}
+
+/* This function allocates the MPA Tx and Rx buffers.
+ */
+static int nxpwifi_alloc_sdio_mpa_buffers(struct nxpwifi_adapter *adapter,
+					  u32 mpa_tx_buf_size,
+					  u32 mpa_rx_buf_size)
+{
+	struct sdio_mmc_card *card = adapter->card;
+	u32 rx_buf_size;
+	int ret = 0;
+
+	card->mpa_tx.buf = kzalloc(mpa_tx_buf_size, GFP_KERNEL);
+	if (!card->mpa_tx.buf) {
+		ret = -ENOMEM;
+		goto error;
+	}
+
+	card->mpa_tx.buf_size = mpa_tx_buf_size;
+
+	rx_buf_size = max_t(u32, mpa_rx_buf_size,
+			    (u32)SDIO_MAX_AGGR_BUF_SIZE);
+	card->mpa_rx.buf = kzalloc(rx_buf_size, GFP_KERNEL);
+	if (!card->mpa_rx.buf) {
+		ret = -ENOMEM;
+		goto error;
+	}
+
+	card->mpa_rx.buf_size = rx_buf_size;
+
+error:
+	if (ret) {
+		kfree(card->mpa_tx.buf);
+		kfree(card->mpa_rx.buf);
+		card->mpa_tx.buf_size = 0;
+		card->mpa_rx.buf_size = 0;
+		card->mpa_tx.buf = NULL;
+		card->mpa_rx.buf = NULL;
+	}
+
+	return ret;
+}
+
+/* This function unregisters the SDIO device.
+ *
+ * The function is disabled and driver
+ * data is set to null.
+ */
+static void
+nxpwifi_unregister_dev(struct nxpwifi_adapter *adapter)
+{
+	struct sdio_mmc_card *card = adapter->card;
+
+	if (adapter->card) {
+		card->adapter = NULL;
+		sdio_claim_host(card->func);
+		sdio_disable_func(card->func);
+		sdio_release_host(card->func);
+	}
+}
+
+/* This function registers the SDIO device.
+ *
+ * SDIO IRQ is claimed, block size is set and driver data is initialized.
+ */
+static int nxpwifi_register_dev(struct nxpwifi_adapter *adapter)
+{
+	int ret;
+	struct sdio_mmc_card *card = adapter->card;
+	struct sdio_func *func = card->func;
+	const char *firmware = card->firmware;
+
+	/* save adapter pointer in card */
+	card->adapter = adapter;
+	adapter->tx_buf_size = card->tx_buf_size;
+
+	sdio_claim_host(func);
+
+	/* Set block size */
+	ret = sdio_set_block_size(card->func, NXPWIFI_SDIO_BLOCK_SIZE);
+	sdio_release_host(func);
+	if (ret) {
+		nxpwifi_dbg(adapter, ERROR,
+			    "cannot set SDIO block size\n");
+		return ret;
+	}
+
+	/* Select correct firmware (sdsd or sdiouart) firmware based on the strapping
+	 * option
+	 */
+	if (card->firmware_sdiouart) {
+		u8 val;
+
+		nxpwifi_read_reg(adapter, card->reg->host_strap_reg, &val);
+		if ((val & card->reg->host_strap_mask) == card->reg->host_strap_value)
+			firmware = card->firmware_sdiouart;
+	}
+	strscpy(adapter->fw_name, firmware, sizeof(adapter->fw_name));
+
+	if (card->fw_dump_enh) {
+		adapter->mem_type_mapping_tbl = generic_mem_type_map;
+		adapter->num_mem_types = 1;
+	} else {
+		adapter->mem_type_mapping_tbl = mem_type_mapping_tbl;
+		adapter->num_mem_types = ARRAY_SIZE(mem_type_mapping_tbl);
+	}
+
+	return 0;
+}
+
+/* This function initializes the SDIO driver.
+ *
+ * The following initializations steps are followed -
+ *      - Read the Host interrupt status register to acknowledge
+ *        the first interrupt got from bootloader
+ *      - Disable host interrupt mask register
+ *      - Get SDIO port
+ *      - Initialize SDIO variables in card
+ *      - Allocate MP registers
+ *      - Allocate MPA Tx and Rx buffers
+ */
+static int nxpwifi_init_sdio(struct nxpwifi_adapter *adapter)
+{
+	struct sdio_mmc_card *card = adapter->card;
+	const struct nxpwifi_sdio_card_reg *reg = card->reg;
+	int ret;
+	u8 sdio_ireg;
+
+	sdio_set_drvdata(card->func, card);
+
+	/* Read the host_int_status_reg for ACK the first interrupt got
+	 * from the bootloader. If we don't do this we get a interrupt
+	 * as soon as we register the irq.
+	 */
+	nxpwifi_read_reg(adapter, card->reg->host_int_status_reg, &sdio_ireg);
+
+	/* Get SDIO ioport */
+	if (nxpwifi_init_sdio_ioport(adapter))
+		return -EIO;
+
+	/* Initialize SDIO variables in card */
+	card->mp_rd_bitmap = 0;
+	card->mp_wr_bitmap = 0;
+	card->curr_rd_port = reg->start_rd_port;
+	card->curr_wr_port = reg->start_wr_port;
+
+	card->mp_data_port_mask = reg->data_port_mask;
+
+	card->mpa_tx.buf_len = 0;
+	card->mpa_tx.pkt_cnt = 0;
+	card->mpa_tx.start_port = 0;
+
+	card->mpa_tx.enabled = 1;
+	card->mpa_tx.pkt_aggr_limit = card->mp_agg_pkt_limit;
+
+	card->mpa_rx.buf_len = 0;
+	card->mpa_rx.pkt_cnt = 0;
+	card->mpa_rx.start_port = 0;
+
+	card->mpa_rx.enabled = 1;
+	card->mpa_rx.pkt_aggr_limit = card->mp_agg_pkt_limit;
+
+	/* Allocate buffers for SDIO MP-A */
+	card->mp_regs = kzalloc(reg->max_mp_regs, GFP_KERNEL);
+	if (!card->mp_regs)
+		return -ENOMEM;
+
+	card->mpa_rx.len_arr = kcalloc(card->mp_agg_pkt_limit,
+				       sizeof(*card->mpa_rx.len_arr),
+				       GFP_KERNEL);
+	if (!card->mpa_rx.len_arr) {
+		kfree(card->mp_regs);
+		return -ENOMEM;
+	}
+
+	ret = nxpwifi_alloc_sdio_mpa_buffers(adapter,
+					     card->mp_tx_agg_buf_size,
+					     card->mp_rx_agg_buf_size);
+
+	/* Allocate 32k MPA Tx/Rx buffers if 64k memory allocation fails */
+	if (ret && (card->mp_tx_agg_buf_size == NXPWIFI_MP_AGGR_BSIZE_MAX ||
+		    card->mp_rx_agg_buf_size == NXPWIFI_MP_AGGR_BSIZE_MAX)) {
+		/* Disable rx single port aggregation */
+		adapter->host_disable_sdio_rx_aggr = true;
+
+		ret = nxpwifi_alloc_sdio_mpa_buffers(adapter,
+						     NXPWIFI_MP_AGGR_BSIZE_32K,
+						     NXPWIFI_MP_AGGR_BSIZE_32K);
+		if (ret) {
+			/* Disable multi port aggregation */
+			card->mpa_tx.enabled = 0;
+			card->mpa_rx.enabled = 0;
+		}
+	}
+
+	adapter->ext_scan = card->can_ext_scan;
+	return ret;
+}
+
+/* This function resets the MPA Tx and Rx buffers.
+ */
+static void nxpwifi_cleanup_mpa_buf(struct nxpwifi_adapter *adapter)
+{
+	struct sdio_mmc_card *card = adapter->card;
+
+	MP_TX_AGGR_BUF_RESET(card);
+	MP_RX_AGGR_BUF_RESET(card);
+}
+
+/* This function cleans up the allocated card buffers.
+ *
+ * The following are freed by this function -
+ *      - MP registers
+ *      - MPA Tx buffer
+ *      - MPA Rx buffer
+ */
+static void nxpwifi_cleanup_sdio(struct nxpwifi_adapter *adapter)
+{
+	struct sdio_mmc_card *card = adapter->card;
+
+	cancel_work_sync(&card->work);
+
+	kfree(card->mp_regs);
+	kfree(card->mpa_rx.len_arr);
+	kfree(card->mpa_tx.buf);
+	kfree(card->mpa_rx.buf);
+}
+
+/* This function updates the MP end port in card.
+ */
+static void
+nxpwifi_update_mp_end_port(struct nxpwifi_adapter *adapter, u16 port)
+{
+	struct sdio_mmc_card *card = adapter->card;
+	const struct nxpwifi_sdio_card_reg *reg = card->reg;
+	int i;
+
+	card->mp_end_port = port;
+
+	card->mp_data_port_mask = reg->data_port_mask;
+
+	if (reg->start_wr_port) {
+		for (i = 1; i <= card->max_ports - card->mp_end_port; i++)
+			card->mp_data_port_mask &=
+					~(1 << (card->max_ports - i));
+	}
+
+	card->curr_wr_port = reg->start_wr_port;
+
+	nxpwifi_dbg(adapter, CMD,
+		    "cmd: mp_end_port %d, data port mask 0x%x\n",
+		    port, card->mp_data_port_mask);
+}
+
+static void nxpwifi_sdio_card_reset_work(struct nxpwifi_adapter *adapter)
+{
+	struct sdio_mmc_card *card = adapter->card;
+	struct sdio_func *func = card->func;
+	int ret;
+
+	/* Prepare the adapter for the reset. */
+	nxpwifi_shutdown_sw(adapter);
+	clear_bit(NXPWIFI_IFACE_WORK_DEVICE_DUMP, &card->work_flags);
+	clear_bit(NXPWIFI_IFACE_WORK_CARD_RESET, &card->work_flags);
+
+	/* Run a HW reset of the SDIO interface. */
+	sdio_claim_host(func);
+	ret = mmc_hw_reset(func->card);
+	sdio_release_host(func);
+
+	switch (ret) {
+	case 1:
+		dev_dbg(&func->dev, "SDIO HW reset asynchronous\n");
+		complete_all(adapter->fw_done);
+		break;
+	case 0:
+		ret = nxpwifi_reinit_sw(adapter);
+		if (ret)
+			dev_err(&func->dev, "reinit failed: %d\n", ret);
+		break;
+	default:
+		dev_err(&func->dev, "SDIO HW reset failed: %d\n", ret);
+		break;
+	}
+}
+
+/* This function read/write firmware */
+static enum
+rdwr_status nxpwifi_sdio_rdwr_firmware(struct nxpwifi_adapter *adapter,
+				       u8 doneflag)
+{
+	struct sdio_mmc_card *card = adapter->card;
+	int ret, tries;
+	u8 ctrl_data = 0;
+
+	sdio_writeb(card->func, card->reg->fw_dump_host_ready,
+		    card->reg->fw_dump_ctrl, &ret);
+	if (ret) {
+		nxpwifi_dbg(adapter, ERROR, "SDIO Write ERR\n");
+		return RDWR_STATUS_FAILURE;
+	}
+	for (tries = 0; tries < MAX_POLL_TRIES; tries++) {
+		ctrl_data = sdio_readb(card->func, card->reg->fw_dump_ctrl,
+				       &ret);
+		if (ret) {
+			nxpwifi_dbg(adapter, ERROR, "SDIO read err\n");
+			return RDWR_STATUS_FAILURE;
+		}
+		if (ctrl_data == FW_DUMP_DONE)
+			break;
+		if (doneflag && ctrl_data == doneflag)
+			return RDWR_STATUS_DONE;
+		if (ctrl_data != card->reg->fw_dump_host_ready) {
+			nxpwifi_dbg(adapter, WARN,
+				    "The ctrl reg was changed, re-try again\n");
+			sdio_writeb(card->func, card->reg->fw_dump_host_ready,
+				    card->reg->fw_dump_ctrl, &ret);
+			if (ret) {
+				nxpwifi_dbg(adapter, ERROR, "SDIO write err\n");
+				return RDWR_STATUS_FAILURE;
+			}
+		}
+		usleep_range(100, 200);
+	}
+	if (ctrl_data == card->reg->fw_dump_host_ready) {
+		nxpwifi_dbg(adapter, ERROR,
+			    "Fail to pull ctrl_data\n");
+		return RDWR_STATUS_FAILURE;
+	}
+
+	return RDWR_STATUS_SUCCESS;
+}
+
+/* This function dump firmware memory to file */
+static void nxpwifi_sdio_fw_dump(struct nxpwifi_adapter *adapter)
+{
+	struct sdio_mmc_card *card = adapter->card;
+	int ret = 0;
+	unsigned int reg, reg_start, reg_end;
+	u8 *dbg_ptr, *end_ptr, dump_num, idx, i, read_reg, doneflag = 0;
+	enum rdwr_status stat;
+	u32 memory_size;
+
+	if (!card->can_dump_fw)
+		return;
+
+	for (idx = 0; idx < ARRAY_SIZE(mem_type_mapping_tbl); idx++) {
+		struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx];
+
+		if (entry->mem_ptr) {
+			vfree(entry->mem_ptr);
+			entry->mem_ptr = NULL;
+		}
+		entry->mem_size = 0;
+	}
+
+	nxpwifi_pm_wakeup_card(adapter);
+	sdio_claim_host(card->func);
+
+	nxpwifi_dbg(adapter, MSG, "== nxpwifi firmware dump start ==\n");
+
+	stat = nxpwifi_sdio_rdwr_firmware(adapter, doneflag);
+	if (stat == RDWR_STATUS_FAILURE)
+		goto done;
+
+	reg = card->reg->fw_dump_start;
+	/* Read the number of the memories which will dump */
+	dump_num = sdio_readb(card->func, reg, &ret);
+	if (ret) {
+		nxpwifi_dbg(adapter, ERROR, "SDIO read memory length err\n");
+		goto done;
+	}
+
+	/* Read the length of every memory which will dump */
+	for (idx = 0; idx < dump_num; idx++) {
+		struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx];
+
+		stat = nxpwifi_sdio_rdwr_firmware(adapter, doneflag);
+		if (stat == RDWR_STATUS_FAILURE)
+			goto done;
+
+		memory_size = 0;
+		reg = card->reg->fw_dump_start;
+		for (i = 0; i < 4; i++) {
+			read_reg = sdio_readb(card->func, reg, &ret);
+			if (ret) {
+				nxpwifi_dbg(adapter, ERROR, "SDIO read err\n");
+				goto done;
+			}
+			memory_size |= (read_reg << i * 8);
+			reg++;
+		}
+
+		if (memory_size == 0) {
+			nxpwifi_dbg(adapter, DUMP, "Firmware dump Finished!\n");
+			ret = nxpwifi_write_reg(adapter,
+						card->reg->fw_dump_ctrl,
+						FW_DUMP_READ_DONE);
+			if (ret) {
+				nxpwifi_dbg(adapter, ERROR, "SDIO write err\n");
+				return;
+			}
+			break;
+		}
+
+		nxpwifi_dbg(adapter, DUMP,
+			    "%s_SIZE=0x%x\n", entry->mem_name, memory_size);
+		entry->mem_ptr = vmalloc(memory_size + 1);
+		entry->mem_size = memory_size;
+		if (!entry->mem_ptr)
+			goto done;
+		dbg_ptr = entry->mem_ptr;
+		end_ptr = dbg_ptr + memory_size;
+
+		doneflag = entry->done_flag;
+		nxpwifi_dbg(adapter, DUMP,
+			    "Start %s output, please wait...\n",
+			    entry->mem_name);
+
+		do {
+			stat = nxpwifi_sdio_rdwr_firmware(adapter, doneflag);
+			if (stat == RDWR_STATUS_FAILURE)
+				goto done;
+
+			reg_start = card->reg->fw_dump_start;
+			reg_end = card->reg->fw_dump_end;
+			for (reg = reg_start; reg <= reg_end; reg++) {
+				*dbg_ptr = sdio_readb(card->func, reg, &ret);
+				if (ret) {
+					nxpwifi_dbg(adapter, ERROR,
+						    "SDIO read err\n");
+					goto done;
+				}
+				if (dbg_ptr < end_ptr)
+					dbg_ptr++;
+				else
+					nxpwifi_dbg(adapter, ERROR,
+						    "Allocated buf not enough\n");
+			}
+
+			if (stat != RDWR_STATUS_DONE)
+				continue;
+
+			nxpwifi_dbg(adapter, DUMP, "%s done: size=0x%tx\n",
+				    entry->mem_name, dbg_ptr - entry->mem_ptr);
+			break;
+		} while (1);
+	}
+	nxpwifi_dbg(adapter, MSG, "== nxpwifi firmware dump end ==\n");
+
+done:
+	sdio_release_host(card->func);
+}
+
+static void nxpwifi_sdio_generic_fw_dump(struct nxpwifi_adapter *adapter)
+{
+	struct sdio_mmc_card *card = adapter->card;
+	struct memory_type_mapping *entry = &generic_mem_type_map[0];
+	unsigned int reg, reg_start, reg_end;
+	u8 start_flag = 0, done_flag = 0;
+	u8 *dbg_ptr, *end_ptr;
+	enum rdwr_status stat;
+	int ret = -EPERM, tries;
+
+	if (!card->fw_dump_enh)
+		return;
+
+	if (entry->mem_ptr) {
+		vfree(entry->mem_ptr);
+		entry->mem_ptr = NULL;
+	}
+	entry->mem_size = 0;
+
+	nxpwifi_pm_wakeup_card(adapter);
+	sdio_claim_host(card->func);
+
+	nxpwifi_dbg(adapter, MSG, "== nxpwifi firmware dump start ==\n");
+
+	stat = nxpwifi_sdio_rdwr_firmware(adapter, done_flag);
+	if (stat == RDWR_STATUS_FAILURE)
+		goto done;
+
+	reg_start = card->reg->fw_dump_start;
+	reg_end = card->reg->fw_dump_end;
+	for (reg = reg_start; reg <= reg_end; reg++) {
+		for (tries = 0; tries < MAX_POLL_TRIES; tries++) {
+			start_flag = sdio_readb(card->func, reg, &ret);
+			if (ret) {
+				nxpwifi_dbg(adapter, ERROR,
+					    "SDIO read err\n");
+				goto done;
+			}
+			if (start_flag == 0)
+				break;
+			if (tries == MAX_POLL_TRIES) {
+				nxpwifi_dbg(adapter, ERROR,
+					    "FW not ready to dump\n");
+				ret = -EPERM;
+				goto done;
+			}
+		}
+		usleep_range(100, 200);
+	}
+
+	entry->mem_ptr = vmalloc(0xf0000 + 1);
+	if (!entry->mem_ptr) {
+		ret = -ENOMEM;
+		goto done;
+	}
+	dbg_ptr = entry->mem_ptr;
+	entry->mem_size = 0xf0000;
+	end_ptr = dbg_ptr + entry->mem_size;
+
+	done_flag = entry->done_flag;
+	nxpwifi_dbg(adapter, DUMP,
+		    "Start %s output, please wait...\n", entry->mem_name);
+
+	while (true) {
+		stat = nxpwifi_sdio_rdwr_firmware(adapter, done_flag);
+		if (stat == RDWR_STATUS_FAILURE)
+			goto done;
+		for (reg = reg_start; reg <= reg_end; reg++) {
+			*dbg_ptr = sdio_readb(card->func, reg, &ret);
+			if (ret) {
+				nxpwifi_dbg(adapter, ERROR,
+					    "SDIO read err\n");
+				goto done;
+			}
+			dbg_ptr++;
+			if (dbg_ptr >= end_ptr) {
+				u8 *tmp_ptr;
+
+				tmp_ptr = vmalloc(entry->mem_size + 0x4000 + 1);
+				if (!tmp_ptr)
+					goto done;
+
+				memcpy(tmp_ptr, entry->mem_ptr,
+				       entry->mem_size);
+				vfree(entry->mem_ptr);
+				entry->mem_ptr = tmp_ptr;
+				tmp_ptr = NULL;
+				dbg_ptr = entry->mem_ptr + entry->mem_size;
+				entry->mem_size += 0x4000;
+				end_ptr = entry->mem_ptr + entry->mem_size;
+			}
+		}
+		if (stat == RDWR_STATUS_DONE) {
+			entry->mem_size = dbg_ptr - entry->mem_ptr;
+			nxpwifi_dbg(adapter, DUMP, "dump %s done size=0x%x\n",
+				    entry->mem_name, entry->mem_size);
+			ret = 0;
+			break;
+		}
+	}
+	nxpwifi_dbg(adapter, MSG, "== nxpwifi firmware dump end ==\n");
+
+done:
+	if (ret) {
+		nxpwifi_dbg(adapter, ERROR, "firmware dump failed\n");
+		if (entry->mem_ptr) {
+			vfree(entry->mem_ptr);
+			entry->mem_ptr = NULL;
+		}
+		entry->mem_size = 0;
+	}
+	sdio_release_host(card->func);
+}
+
+static void nxpwifi_sdio_device_dump_work(struct nxpwifi_adapter *adapter)
+{
+	struct sdio_mmc_card *card = adapter->card;
+
+	adapter->devdump_data = vzalloc(NXPWIFI_FW_DUMP_SIZE);
+	if (!adapter->devdump_data)
+		return;
+
+	nxpwifi_drv_info_dump(adapter);
+	if (card->fw_dump_enh)
+		nxpwifi_sdio_generic_fw_dump(adapter);
+	else
+		nxpwifi_sdio_fw_dump(adapter);
+	nxpwifi_prepare_fw_dump_info(adapter);
+	nxpwifi_upload_device_dump(adapter);
+}
+
+static void nxpwifi_sdio_work(struct work_struct *work)
+{
+	struct sdio_mmc_card *card =
+		container_of(work, struct sdio_mmc_card, work);
+
+	if (test_and_clear_bit(NXPWIFI_IFACE_WORK_DEVICE_DUMP,
+			       &card->work_flags))
+		nxpwifi_sdio_device_dump_work(card->adapter);
+	if (test_and_clear_bit(NXPWIFI_IFACE_WORK_CARD_RESET,
+			       &card->work_flags))
+		nxpwifi_sdio_card_reset_work(card->adapter);
+}
+
+/* This function resets the card */
+static void nxpwifi_sdio_card_reset(struct nxpwifi_adapter *adapter)
+{
+	struct sdio_mmc_card *card = adapter->card;
+
+	if (!test_and_set_bit(NXPWIFI_IFACE_WORK_CARD_RESET, &card->work_flags))
+		nxpwifi_queue_work(adapter, &card->work);
+}
+
+/* This function dumps FW information */
+static void nxpwifi_sdio_device_dump(struct nxpwifi_adapter *adapter)
+{
+	struct sdio_mmc_card *card = adapter->card;
+
+	if (!test_and_set_bit(NXPWIFI_IFACE_WORK_DEVICE_DUMP,
+			      &card->work_flags))
+		nxpwifi_queue_work(adapter, &card->work);
+}
+
+/* Function to dump SDIO function registers and SDIO scratch registers in case
+ * of FW crash
+ */
+static int
+nxpwifi_sdio_reg_dump(struct nxpwifi_adapter *adapter, char *drv_buf)
+{
+	char *p = drv_buf;
+	struct sdio_mmc_card *cardp = adapter->card;
+	int ret = 0;
+	u8 count, func, data, index = 0, size = 0;
+	u8 reg, reg_start, reg_end;
+	char buf[256], *ptr;
+
+	if (!p)
+		return 0;
+
+	nxpwifi_dbg(adapter, MSG, "SDIO register dump start\n");
+
+	nxpwifi_pm_wakeup_card(adapter);
+
+	sdio_claim_host(cardp->func);
+
+	for (count = 0; count < 5; count++) {
+		memset(buf, 0, sizeof(buf));
+		ptr = buf;
+
+		switch (count) {
+		case 0:
+			/* Read the registers of SDIO function0 */
+			func = count;
+			reg_start = 0;
+			reg_end = 9;
+			break;
+		case 1:
+			/* Read the registers of SDIO function1 */
+			func = count;
+			reg_start = cardp->reg->func1_dump_reg_start;
+			reg_end = cardp->reg->func1_dump_reg_end;
+			break;
+		case 2:
+			index = 0;
+			func = 1;
+			reg_start = cardp->reg->func1_spec_reg_table[index++];
+			size = cardp->reg->func1_spec_reg_num;
+			reg_end = cardp->reg->func1_spec_reg_table[size - 1];
+			break;
+		default:
+			/* Read the scratch registers of SDIO function1 */
+			if (count == 4)
+				mdelay(100);
+			func = 1;
+			reg_start = cardp->reg->func1_scratch_reg;
+			reg_end = reg_start + NXPWIFI_SDIO_SCRATCH_SIZE;
+		}
+
+		if (count != 2)
+			ptr += sprintf(ptr, "SDIO Func%d (%#x-%#x): ",
+				       func, reg_start, reg_end);
+		else
+			ptr += sprintf(ptr, "SDIO Func%d: ", func);
+
+		for (reg = reg_start; reg <= reg_end;) {
+			if (func == 0)
+				data = sdio_f0_readb(cardp->func, reg, &ret);
+			else
+				data = sdio_readb(cardp->func, reg, &ret);
+
+			if (count == 2)
+				ptr += sprintf(ptr, "(%#x) ", reg);
+			if (!ret) {
+				ptr += sprintf(ptr, "%02x ", data);
+			} else {
+				ptr += sprintf(ptr, "ERR");
+				break;
+			}
+
+			if (count == 2 && reg < reg_end)
+				reg = cardp->reg->func1_spec_reg_table[index++];
+			else
+				reg++;
+		}
+
+		nxpwifi_dbg(adapter, MSG, "%s\n", buf);
+		p += sprintf(p, "%s\n", buf);
+	}
+
+	sdio_release_host(cardp->func);
+
+	nxpwifi_dbg(adapter, MSG, "SDIO register dump end\n");
+
+	return p - drv_buf;
+}
+
+/* sdio device/function initialization, code is extracted
+ * from init_if handler and register_dev handler.
+ */
+static void nxpwifi_sdio_up_dev(struct nxpwifi_adapter *adapter)
+{
+	struct sdio_mmc_card *card = adapter->card;
+	u8 sdio_ireg;
+
+	sdio_claim_host(card->func);
+	sdio_enable_func(card->func);
+	sdio_set_block_size(card->func, NXPWIFI_SDIO_BLOCK_SIZE);
+	sdio_release_host(card->func);
+
+	/* tx_buf_size might be changed to 3584 by firmware during
+	 * data transfer, we will reset to default size.
+	 */
+	adapter->tx_buf_size = card->tx_buf_size;
+
+	/* Read the host_int_status_reg for ACK the first interrupt got
+	 * from the bootloader. If we don't do this we get a interrupt
+	 * as soon as we register the irq.
+	 */
+	nxpwifi_read_reg(adapter, card->reg->host_int_status_reg, &sdio_ireg);
+
+	if (nxpwifi_init_sdio_ioport(adapter))
+		dev_err(&card->func->dev, "error enabling SDIO port\n");
+}
+
+static struct nxpwifi_if_ops sdio_ops = {
+	.init_if = nxpwifi_init_sdio,
+	.cleanup_if = nxpwifi_cleanup_sdio,
+	.check_fw_status = nxpwifi_check_fw_status,
+	.check_winner_status = nxpwifi_check_winner_status,
+	.prog_fw = nxpwifi_prog_fw_w_helper,
+	.register_dev = nxpwifi_register_dev,
+	.unregister_dev = nxpwifi_unregister_dev,
+	.enable_int = nxpwifi_sdio_enable_host_int,
+	.disable_int = nxpwifi_sdio_disable_host_int,
+	.process_int_status = nxpwifi_process_int_status,
+	.host_to_card = nxpwifi_sdio_host_to_card,
+	.wakeup = nxpwifi_pm_wakeup_card,
+	.wakeup_complete = nxpwifi_pm_wakeup_card_complete,
+
+	/* SDIO specific */
+	.update_mp_end_port = nxpwifi_update_mp_end_port,
+	.cleanup_mpa_buf = nxpwifi_cleanup_mpa_buf,
+	.cmdrsp_complete = nxpwifi_sdio_cmdrsp_complete,
+	.event_complete = nxpwifi_sdio_event_complete,
+	.dnld_fw = nxpwifi_sdio_dnld_fw,
+	.card_reset = nxpwifi_sdio_card_reset,
+	.reg_dump = nxpwifi_sdio_reg_dump,
+	.device_dump = nxpwifi_sdio_device_dump,
+	.deaggr_pkt = nxpwifi_deaggr_sdio_pkt,
+	.up_dev = nxpwifi_sdio_up_dev,
+};
+
+module_driver(nxpwifi_sdio, sdio_register_driver, sdio_unregister_driver);
+
+MODULE_AUTHOR("NXP International Ltd.");
+MODULE_DESCRIPTION("NXP WiFi SDIO Driver version " SDIO_VERSION);
+MODULE_VERSION(SDIO_VERSION);
+MODULE_LICENSE("GPL");
+MODULE_FIRMWARE(IW61X_SDIO_FW_NAME);
