1 files changed, 0 insertions, 626 deletions

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c
deleted file mode 100644
index bbaeb2d5c93..00000000000
--- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c
+++ /dev/null
@@ -1,626 +0,0 @@
-/*
- * Copyright (c) 2010 Broadcom Corporation
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-#include <linux/types.h>
-#include <linux/netdevice.h>
-#include <linux/mmc/sdio.h>
-#include <linux/mmc/core.h>
-#include <linux/mmc/sdio_func.h>
-#include <linux/mmc/sdio_ids.h>
-#include <linux/mmc/card.h>
-#include <linux/suspend.h>
-#include <linux/errno.h>
-#include <linux/sched.h>	/* request_irq() */
-#include <linux/module.h>
-#include <net/cfg80211.h>
-
-#include <defs.h>
-#include <brcm_hw_ids.h>
-#include <brcmu_utils.h>
-#include <brcmu_wifi.h>
-#include "sdio_host.h"
-#include "dhd.h"
-#include "dhd_dbg.h"
-#include "wl_cfg80211.h"
-
-#define SDIO_VENDOR_ID_BROADCOM		0x02d0
-
-#define DMA_ALIGN_MASK	0x03
-
-#define SDIO_DEVICE_ID_BROADCOM_4329	0x4329
-
-#define SDIO_FUNC1_BLOCKSIZE		64
-#define SDIO_FUNC2_BLOCKSIZE		512
-
-/* devices we support, null terminated */
-static const struct sdio_device_id brcmf_sdmmc_ids[] = {
-	{SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_4329)},
-	{ /* end: all zeroes */ },
-};
-MODULE_DEVICE_TABLE(sdio, brcmf_sdmmc_ids);
-
-static bool
-brcmf_pm_resume_error(struct brcmf_sdio_dev *sdiodev)
-{
-	bool is_err = false;
-#ifdef CONFIG_PM_SLEEP
-	is_err = atomic_read(&sdiodev->suspend);
-#endif
-	return is_err;
-}
-
-static void
-brcmf_pm_resume_wait(struct brcmf_sdio_dev *sdiodev, wait_queue_head_t *wq)
-{
-#ifdef CONFIG_PM_SLEEP
-	int retry = 0;
-	while (atomic_read(&sdiodev->suspend) && retry++ != 30)
-		wait_event_timeout(*wq, false, HZ/100);
-#endif
-}
-
-static inline int brcmf_sdioh_f0_write_byte(struct brcmf_sdio_dev *sdiodev,
-					    uint regaddr, u8 *byte)
-{
-	struct sdio_func *sdfunc = sdiodev->func[0];
-	int err_ret;
-
-	/*
-	 * Can only directly write to some F0 registers.
-	 * Handle F2 enable/disable and Abort command
-	 * as a special case.
-	 */
-	if (regaddr == SDIO_CCCR_IOEx) {
-		sdfunc = sdiodev->func[2];
-		if (sdfunc) {
-			sdio_claim_host(sdfunc);
-			if (*byte & SDIO_FUNC_ENABLE_2) {
-				/* Enable Function 2 */
-				err_ret = sdio_enable_func(sdfunc);
-				if (err_ret)
-					brcmf_dbg(ERROR,
-						  "enable F2 failed:%d\n",
-						  err_ret);
-			} else {
-				/* Disable Function 2 */
-				err_ret = sdio_disable_func(sdfunc);
-				if (err_ret)
-					brcmf_dbg(ERROR,
-						  "Disable F2 failed:%d\n",
-						  err_ret);
-			}
-			sdio_release_host(sdfunc);
-		}
-	} else if (regaddr == SDIO_CCCR_ABORT) {
-		sdio_claim_host(sdfunc);
-		sdio_writeb(sdfunc, *byte, regaddr, &err_ret);
-		sdio_release_host(sdfunc);
-	} else if (regaddr < 0xF0) {
-		brcmf_dbg(ERROR, "F0 Wr:0x%02x: write disallowed\n", regaddr);
-		err_ret = -EPERM;
-	} else {
-		sdio_claim_host(sdfunc);
-		sdio_f0_writeb(sdfunc, *byte, regaddr, &err_ret);
-		sdio_release_host(sdfunc);
-	}
-
-	return err_ret;
-}
-
-int brcmf_sdioh_request_byte(struct brcmf_sdio_dev *sdiodev, uint rw, uint func,
-			     uint regaddr, u8 *byte)
-{
-	int err_ret;
-
-	brcmf_dbg(INFO, "rw=%d, func=%d, addr=0x%05x\n", rw, func, regaddr);
-
-	brcmf_pm_resume_wait(sdiodev, &sdiodev->request_byte_wait);
-	if (brcmf_pm_resume_error(sdiodev))
-		return -EIO;
-
-	if (rw && func == 0) {
-		/* handle F0 separately */
-		err_ret = brcmf_sdioh_f0_write_byte(sdiodev, regaddr, byte);
-	} else {
-		sdio_claim_host(sdiodev->func[func]);
-		if (rw) /* CMD52 Write */
-			sdio_writeb(sdiodev->func[func], *byte, regaddr,
-				    &err_ret);
-		else if (func == 0) {
-			*byte = sdio_f0_readb(sdiodev->func[func], regaddr,
-					      &err_ret);
-		} else {
-			*byte = sdio_readb(sdiodev->func[func], regaddr,
-					   &err_ret);
-		}
-		sdio_release_host(sdiodev->func[func]);
-	}
-
-	if (err_ret)
-		brcmf_dbg(ERROR, "Failed to %s byte F%d:@0x%05x=%02x, Err: %d\n",
-			  rw ? "write" : "read", func, regaddr, *byte, err_ret);
-
-	return err_ret;
-}
-
-int brcmf_sdioh_request_word(struct brcmf_sdio_dev *sdiodev,
-			     uint rw, uint func, uint addr, u32 *word,
-			     uint nbytes)
-{
-	int err_ret = -EIO;
-
-	if (func == 0) {
-		brcmf_dbg(ERROR, "Only CMD52 allowed to F0\n");
-		return -EINVAL;
-	}
-
-	brcmf_dbg(INFO, "rw=%d, func=%d, addr=0x%05x, nbytes=%d\n",
-		  rw, func, addr, nbytes);
-
-	brcmf_pm_resume_wait(sdiodev, &sdiodev->request_word_wait);
-	if (brcmf_pm_resume_error(sdiodev))
-		return -EIO;
-	/* Claim host controller */
-	sdio_claim_host(sdiodev->func[func]);
-
-	if (rw) {		/* CMD52 Write */
-		if (nbytes == 4)
-			sdio_writel(sdiodev->func[func], *word, addr,
-				    &err_ret);
-		else if (nbytes == 2)
-			sdio_writew(sdiodev->func[func], (*word & 0xFFFF),
-				    addr, &err_ret);
-		else
-			brcmf_dbg(ERROR, "Invalid nbytes: %d\n", nbytes);
-	} else {		/* CMD52 Read */
-		if (nbytes == 4)
-			*word = sdio_readl(sdiodev->func[func], addr, &err_ret);
-		else if (nbytes == 2)
-			*word = sdio_readw(sdiodev->func[func], addr,
-					   &err_ret) & 0xFFFF;
-		else
-			brcmf_dbg(ERROR, "Invalid nbytes: %d\n", nbytes);
-	}
-
-	/* Release host controller */
-	sdio_release_host(sdiodev->func[func]);
-
-	if (err_ret)
-		brcmf_dbg(ERROR, "Failed to %s word, Err: 0x%08x\n",
-			  rw ? "write" : "read", err_ret);
-
-	return err_ret;
-}
-
-static int
-brcmf_sdioh_request_packet(struct brcmf_sdio_dev *sdiodev, uint fix_inc,
-			   uint write, uint func, uint addr,
-			   struct sk_buff *pkt)
-{
-	bool fifo = (fix_inc == SDIOH_DATA_FIX);
-	u32 SGCount = 0;
-	int err_ret = 0;
-
-	struct sk_buff *pnext;
-
-	brcmf_dbg(TRACE, "Enter\n");
-
-	brcmf_pm_resume_wait(sdiodev, &sdiodev->request_packet_wait);
-	if (brcmf_pm_resume_error(sdiodev))
-		return -EIO;
-
-	/* Claim host controller */
-	sdio_claim_host(sdiodev->func[func]);
-	for (pnext = pkt; pnext; pnext = pnext->next) {
-		uint pkt_len = pnext->len;
-		pkt_len += 3;
-		pkt_len &= 0xFFFFFFFC;
-
-		if ((write) && (!fifo)) {
-			err_ret = sdio_memcpy_toio(sdiodev->func[func], addr,
-						   ((u8 *) (pnext->data)),
-						   pkt_len);
-		} else if (write) {
-			err_ret = sdio_memcpy_toio(sdiodev->func[func], addr,
-						   ((u8 *) (pnext->data)),
-						   pkt_len);
-		} else if (fifo) {
-			err_ret = sdio_readsb(sdiodev->func[func],
-					      ((u8 *) (pnext->data)),
-					      addr, pkt_len);
-		} else {
-			err_ret = sdio_memcpy_fromio(sdiodev->func[func],
-						     ((u8 *) (pnext->data)),
-						     addr, pkt_len);
-		}
-
-		if (err_ret) {
-			brcmf_dbg(ERROR, "%s FAILED %p[%d], addr=0x%05x, pkt_len=%d, ERR=0x%08x\n",
-				  write ? "TX" : "RX", pnext, SGCount, addr,
-				  pkt_len, err_ret);
-		} else {
-			brcmf_dbg(TRACE, "%s xfr'd %p[%d], addr=0x%05x, len=%d\n",
-				  write ? "TX" : "RX", pnext, SGCount, addr,
-				  pkt_len);
-		}
-
-		if (!fifo)
-			addr += pkt_len;
-		SGCount++;
-
-	}
-
-	/* Release host controller */
-	sdio_release_host(sdiodev->func[func]);
-
-	brcmf_dbg(TRACE, "Exit\n");
-	return err_ret;
-}
-
-/*
- * This function takes a buffer or packet, and fixes everything up
- * so that in the end, a DMA-able packet is created.
- *
- * A buffer does not have an associated packet pointer,
- * and may or may not be aligned.
- * A packet may consist of a single packet, or a packet chain.
- * If it is a packet chain, then all the packets in the chain
- * must be properly aligned.
- *
- * If the packet data is not aligned, then there may only be
- * one packet, and in this case,  it is copied to a new
- * aligned packet.
- *
- */
-int brcmf_sdioh_request_buffer(struct brcmf_sdio_dev *sdiodev,
-			       uint fix_inc, uint write, uint func, uint addr,
-			       uint reg_width, uint buflen_u, u8 *buffer,
-			       struct sk_buff *pkt)
-{
-	int Status;
-	struct sk_buff *mypkt = NULL;
-
-	brcmf_dbg(TRACE, "Enter\n");
-
-	brcmf_pm_resume_wait(sdiodev, &sdiodev->request_buffer_wait);
-	if (brcmf_pm_resume_error(sdiodev))
-		return -EIO;
-	/* Case 1: we don't have a packet. */
-	if (pkt == NULL) {
-		brcmf_dbg(DATA, "Creating new %s Packet, len=%d\n",
-			  write ? "TX" : "RX", buflen_u);
-		mypkt = brcmu_pkt_buf_get_skb(buflen_u);
-		if (!mypkt) {
-			brcmf_dbg(ERROR, "brcmu_pkt_buf_get_skb failed: len %d\n",
-				  buflen_u);
-			return -EIO;
-		}
-
-		/* For a write, copy the buffer data into the packet. */
-		if (write)
-			memcpy(mypkt->data, buffer, buflen_u);
-
-		Status = brcmf_sdioh_request_packet(sdiodev, fix_inc, write,
-						    func, addr, mypkt);
-
-		/* For a read, copy the packet data back to the buffer. */
-		if (!write)
-			memcpy(buffer, mypkt->data, buflen_u);
-
-		brcmu_pkt_buf_free_skb(mypkt);
-	} else if (((ulong) (pkt->data) & DMA_ALIGN_MASK) != 0) {
-		/*
-		 * Case 2: We have a packet, but it is unaligned.
-		 * In this case, we cannot have a chain (pkt->next == NULL)
-		 */
-		brcmf_dbg(DATA, "Creating aligned %s Packet, len=%d\n",
-			  write ? "TX" : "RX", pkt->len);
-		mypkt = brcmu_pkt_buf_get_skb(pkt->len);
-		if (!mypkt) {
-			brcmf_dbg(ERROR, "brcmu_pkt_buf_get_skb failed: len %d\n",
-				  pkt->len);
-			return -EIO;
-		}
-
-		/* For a write, copy the buffer data into the packet. */
-		if (write)
-			memcpy(mypkt->data, pkt->data, pkt->len);
-
-		Status = brcmf_sdioh_request_packet(sdiodev, fix_inc, write,
-						    func, addr, mypkt);
-
-		/* For a read, copy the packet data back to the buffer. */
-		if (!write)
-			memcpy(pkt->data, mypkt->data, mypkt->len);
-
-		brcmu_pkt_buf_free_skb(mypkt);
-	} else {		/* case 3: We have a packet and
-				 it is aligned. */
-		brcmf_dbg(DATA, "Aligned %s Packet, direct DMA\n",
-			  write ? "Tx" : "Rx");
-		Status = brcmf_sdioh_request_packet(sdiodev, fix_inc, write,
-						    func, addr, pkt);
-	}
-
-	return Status;
-}
-
-/* Read client card reg */
-static int
-brcmf_sdioh_card_regread(struct brcmf_sdio_dev *sdiodev, int func, u32 regaddr,
-			 int regsize, u32 *data)
-{
-
-	if ((func == 0) || (regsize == 1)) {
-		u8 temp = 0;
-
-		brcmf_sdioh_request_byte(sdiodev, SDIOH_READ, func, regaddr,
-					 &temp);
-		*data = temp;
-		*data &= 0xff;
-		brcmf_dbg(DATA, "byte read data=0x%02x\n", *data);
-	} else {
-		brcmf_sdioh_request_word(sdiodev, SDIOH_READ, func, regaddr,
-					 data, regsize);
-		if (regsize == 2)
-			*data &= 0xffff;
-
-		brcmf_dbg(DATA, "word read data=0x%08x\n", *data);
-	}
-
-	return SUCCESS;
-}
-
-static int brcmf_sdioh_get_cisaddr(struct brcmf_sdio_dev *sdiodev, u32 regaddr)
-{
-	/* read 24 bits and return valid 17 bit addr */
-	int i;
-	u32 scratch, regdata;
-	__le32 scratch_le;
-	u8 *ptr = (u8 *)&scratch_le;
-
-	for (i = 0; i < 3; i++) {
-		if ((brcmf_sdioh_card_regread(sdiodev, 0, regaddr, 1,
-				&regdata)) != SUCCESS)
-			brcmf_dbg(ERROR, "Can't read!\n");
-
-		*ptr++ = (u8) regdata;
-		regaddr++;
-	}
-
-	/* Only the lower 17-bits are valid */
-	scratch = le32_to_cpu(scratch_le);
-	scratch &= 0x0001FFFF;
-	return scratch;
-}
-
-static int brcmf_sdioh_enablefuncs(struct brcmf_sdio_dev *sdiodev)
-{
-	int err_ret;
-	u32 fbraddr;
-	u8 func;
-
-	brcmf_dbg(TRACE, "\n");
-
-	/* Get the Card's common CIS address */
-	sdiodev->func_cis_ptr[0] = brcmf_sdioh_get_cisaddr(sdiodev,
-							   SDIO_CCCR_CIS);
-	brcmf_dbg(INFO, "Card's Common CIS Ptr = 0x%x\n",
-		  sdiodev->func_cis_ptr[0]);
-
-	/* Get the Card's function CIS (for each function) */
-	for (fbraddr = SDIO_FBR_BASE(1), func = 1;
-	     func <= sdiodev->num_funcs; func++, fbraddr += SDIOD_FBR_SIZE) {
-		sdiodev->func_cis_ptr[func] =
-		    brcmf_sdioh_get_cisaddr(sdiodev, SDIO_FBR_CIS + fbraddr);
-		brcmf_dbg(INFO, "Function %d CIS Ptr = 0x%x\n",
-			  func, sdiodev->func_cis_ptr[func]);
-	}
-
-	/* Enable Function 1 */
-	sdio_claim_host(sdiodev->func[1]);
-	err_ret = sdio_enable_func(sdiodev->func[1]);
-	sdio_release_host(sdiodev->func[1]);
-	if (err_ret)
-		brcmf_dbg(ERROR, "Failed to enable F1 Err: 0x%08x\n", err_ret);
-
-	return false;
-}
-
-/*
- *	Public entry points & extern's
- */
-int brcmf_sdioh_attach(struct brcmf_sdio_dev *sdiodev)
-{
-	int err_ret = 0;
-
-	brcmf_dbg(TRACE, "\n");
-
-	sdiodev->num_funcs = 2;
-
-	sdio_claim_host(sdiodev->func[1]);
-	err_ret = sdio_set_block_size(sdiodev->func[1], SDIO_FUNC1_BLOCKSIZE);
-	sdio_release_host(sdiodev->func[1]);
-	if (err_ret) {
-		brcmf_dbg(ERROR, "Failed to set F1 blocksize\n");
-		goto out;
-	}
-
-	sdio_claim_host(sdiodev->func[2]);
-	err_ret = sdio_set_block_size(sdiodev->func[2], SDIO_FUNC2_BLOCKSIZE);
-	sdio_release_host(sdiodev->func[2]);
-	if (err_ret) {
-		brcmf_dbg(ERROR, "Failed to set F2 blocksize\n");
-		goto out;
-	}
-
-	brcmf_sdioh_enablefuncs(sdiodev);
-
-out:
-	brcmf_dbg(TRACE, "Done\n");
-	return err_ret;
-}
-
-void brcmf_sdioh_detach(struct brcmf_sdio_dev *sdiodev)
-{
-	brcmf_dbg(TRACE, "\n");
-
-	/* Disable Function 2 */
-	sdio_claim_host(sdiodev->func[2]);
-	sdio_disable_func(sdiodev->func[2]);
-	sdio_release_host(sdiodev->func[2]);
-
-	/* Disable Function 1 */
-	sdio_claim_host(sdiodev->func[1]);
-	sdio_disable_func(sdiodev->func[1]);
-	sdio_release_host(sdiodev->func[1]);
-
-}
-
-static int brcmf_ops_sdio_probe(struct sdio_func *func,
-			      const struct sdio_device_id *id)
-{
-	int ret = 0;
-	struct brcmf_sdio_dev *sdiodev;
-	brcmf_dbg(TRACE, "Enter\n");
-	brcmf_dbg(TRACE, "func->class=%x\n", func->class);
-	brcmf_dbg(TRACE, "sdio_vendor: 0x%04x\n", func->vendor);
-	brcmf_dbg(TRACE, "sdio_device: 0x%04x\n", func->device);
-	brcmf_dbg(TRACE, "Function#: 0x%04x\n", func->num);
-
-	if (func->num == 1) {
-		if (dev_get_drvdata(&func->card->dev)) {
-			brcmf_dbg(ERROR, "card private drvdata occupied\n");
-			return -ENXIO;
-		}
-		sdiodev = kzalloc(sizeof(struct brcmf_sdio_dev), GFP_KERNEL);
-		if (!sdiodev)
-			return -ENOMEM;
-		sdiodev->func[0] = func->card->sdio_func[0];
-		sdiodev->func[1] = func;
-		dev_set_drvdata(&func->card->dev, sdiodev);
-
-		atomic_set(&sdiodev->suspend, false);
-		init_waitqueue_head(&sdiodev->request_byte_wait);
-		init_waitqueue_head(&sdiodev->request_word_wait);
-		init_waitqueue_head(&sdiodev->request_packet_wait);
-		init_waitqueue_head(&sdiodev->request_buffer_wait);
-	}
-
-	if (func->num == 2) {
-		sdiodev = dev_get_drvdata(&func->card->dev);
-		if ((!sdiodev) || (sdiodev->func[1]->card != func->card))
-			return -ENODEV;
-		sdiodev->func[2] = func;
-
-		brcmf_dbg(TRACE, "F2 found, calling brcmf_sdio_probe...\n");
-		ret = brcmf_sdio_probe(sdiodev);
-	}
-
-	return ret;
-}
-
-static void brcmf_ops_sdio_remove(struct sdio_func *func)
-{
-	struct brcmf_sdio_dev *sdiodev;
-	brcmf_dbg(TRACE, "Enter\n");
-	brcmf_dbg(INFO, "func->class=%x\n", func->class);
-	brcmf_dbg(INFO, "sdio_vendor: 0x%04x\n", func->vendor);
-	brcmf_dbg(INFO, "sdio_device: 0x%04x\n", func->device);
-	brcmf_dbg(INFO, "Function#: 0x%04x\n", func->num);
-
-	if (func->num == 2) {
-		sdiodev = dev_get_drvdata(&func->card->dev);
-		brcmf_dbg(TRACE, "F2 found, calling brcmf_sdio_remove...\n");
-		brcmf_sdio_remove(sdiodev);
-		dev_set_drvdata(&func->card->dev, NULL);
-		kfree(sdiodev);
-	}
-}
-
-#ifdef CONFIG_PM_SLEEP
-static int brcmf_sdio_suspend(struct device *dev)
-{
-	mmc_pm_flag_t sdio_flags;
-	struct brcmf_sdio_dev *sdiodev;
-	struct sdio_func *func = dev_to_sdio_func(dev);
-	int ret = 0;
-
-	brcmf_dbg(TRACE, "\n");
-
-	sdiodev = dev_get_drvdata(&func->card->dev);
-
-	atomic_set(&sdiodev->suspend, true);
-
-	sdio_flags = sdio_get_host_pm_caps(sdiodev->func[1]);
-	if (!(sdio_flags & MMC_PM_KEEP_POWER)) {
-		brcmf_dbg(ERROR, "Host can't keep power while suspended\n");
-		return -EINVAL;
-	}
-
-	ret = sdio_set_host_pm_flags(sdiodev->func[1], MMC_PM_KEEP_POWER);
-	if (ret) {
-		brcmf_dbg(ERROR, "Failed to set pm_flags\n");
-		return ret;
-	}
-
-	brcmf_sdio_wdtmr_enable(sdiodev, false);
-
-	return ret;
-}
-
-static int brcmf_sdio_resume(struct device *dev)
-{
-	struct brcmf_sdio_dev *sdiodev;
-	struct sdio_func *func = dev_to_sdio_func(dev);
-
-	sdiodev = dev_get_drvdata(&func->card->dev);
-	brcmf_sdio_wdtmr_enable(sdiodev, true);
-	atomic_set(&sdiodev->suspend, false);
-	return 0;
-}
-
-static const struct dev_pm_ops brcmf_sdio_pm_ops = {
-	.suspend	= brcmf_sdio_suspend,
-	.resume		= brcmf_sdio_resume,
-};
-#endif	/* CONFIG_PM_SLEEP */
-
-static struct sdio_driver brcmf_sdmmc_driver = {
-	.probe = brcmf_ops_sdio_probe,
-	.remove = brcmf_ops_sdio_remove,
-	.name = "brcmfmac",
-	.id_table = brcmf_sdmmc_ids,
-#ifdef CONFIG_PM_SLEEP
-	.drv = {
-		.pm = &brcmf_sdio_pm_ops,
-	},
-#endif	/* CONFIG_PM_SLEEP */
-};
-
-/* bus register interface */
-int brcmf_bus_register(void)
-{
-	brcmf_dbg(TRACE, "Enter\n");
-
-	return sdio_register_driver(&brcmf_sdmmc_driver);
-}
-
-void brcmf_bus_unregister(void)
-{
-	brcmf_dbg(TRACE, "Enter\n");
-
-	sdio_unregister_driver(&brcmf_sdmmc_driver);
-}