diff --git a/drivers/staging/brcm80211/brcmsmac/aiutils.c b/drivers/staging/brcm80211/brcmsmac/aiutils.c
index 3d7a2d615f2c8adc0625652386351b4e0cc4dbbd..a61185f70a7cd950a078bfc26840ba1cc19540eb 100644
--- a/drivers/staging/brcm80211/brcmsmac/aiutils.c
+++ b/drivers/staging/brcm80211/brcmsmac/aiutils.c
@@ -860,7 +860,7 @@ static si_info_t *ai_doattach(si_info_t *sii, uint devid,
 	}
 
 	/* Init nvram from flash if it exists */
-	nvram_init((void *)&(sii->pub));
+	nvram_init();
 
 	/* Init nvram from sprom/otp if they exist */
 	if (srom_var_init
@@ -970,7 +970,7 @@ void ai_detach(si_t *sih)
 				sii->regs[idx] = NULL;
 			}
 
-	nvram_exit((void *)si_local);	/* free up nvram buffers */
+	nvram_exit();	/* free up nvram buffers */
 
 	if (sih->bustype == PCI_BUS) {
 		if (sii->pch)
diff --git a/drivers/staging/brcm80211/brcmsmac/nvram.c b/drivers/staging/brcm80211/brcmsmac/nvram.c
index 830e30f39966e668607608fc9749f188d9c5ed72..085ec0b9224f798588d7b4e33b4bb1011bb202f9 100644
--- a/drivers/staging/brcm80211/brcmsmac/nvram.c
+++ b/drivers/staging/brcm80211/brcmsmac/nvram.c
@@ -18,10 +18,8 @@
 #include <linux/string.h>
 #include <bcmdefs.h>
 #include <bcmutils.h>
-#include <siutils.h>
 #include <bcmnvram.h>
 #include <sbchipc.h>
-#include <bcmsrom.h>
 #include <bcmdevs.h>
 #include <hndsoc.h>
 
@@ -42,7 +40,7 @@ static vars_t *vars;
 
 static char *findvar(char *vars, char *lim, const char *name);
 
-int nvram_init(void *si)
+int nvram_init(void)
 {
 
 	/* Make sure we read nvram in flash just once before freeing the memory */
@@ -53,7 +51,7 @@ int nvram_init(void *si)
 	return 0;
 }
 
-int nvram_append(void *si, char *varlst, uint varsz)
+int nvram_append(char *varlst, uint varsz)
 {
 	uint bufsz = VARS_T_OH;
 	vars_t *new;
@@ -71,14 +69,11 @@ int nvram_append(void *si, char *varlst, uint varsz)
 	return 0;
 }
 
-void nvram_exit(void *si)
+void nvram_exit(void)
 {
 	vars_t *this, *next;
-	si_t *sih;
 
-	sih = (si_t *) si;
 	this = vars;
-
 	if (this)
 		kfree(this->vars);
 
@@ -175,7 +170,7 @@ int nvram_unset(const char *name)
 	return 0;
 }
 
-int nvram_reset(void *si)
+int nvram_reset(void)
 {
 	return 0;
 }
diff --git a/drivers/staging/brcm80211/include/bcmnvram.h b/drivers/staging/brcm80211/include/bcmnvram.h
index e58151c0ec443724f931d7bb09703360caf98146..12645ddf000d10bd706a58e8092684f5c04e7054 100644
--- a/drivers/staging/brcm80211/include/bcmnvram.h
+++ b/drivers/staging/brcm80211/include/bcmnvram.h
@@ -29,32 +29,27 @@ struct nvram_header {
 	u32 config_ncdl;	/* ncdl values for memc */
 };
 
-/*
- * Get default value for an NVRAM variable
- */
-extern char *nvram_default_get(const char *name);
-
 /*
  * Initialize NVRAM access. May be unnecessary or undefined on certain
  * platforms.
  */
-extern int nvram_init(void *sih);
+extern int nvram_init(void);
 
 /*
  * Append a chunk of nvram variables to the global list
  */
-extern int nvram_append(void *si, char *vars, uint varsz);
+extern int nvram_append(char *vars, uint varsz);
 
 /*
  * Check for reset button press for restoring factory defaults.
  */
-extern int nvram_reset(void *sih);
+extern int nvram_reset(void);
 
 /*
  * Disable NVRAM access. May be unnecessary or undefined on certain
  * platforms.
  */
-extern void nvram_exit(void *sih);
+extern void nvram_exit(void);
 
 /*
  * Get the value of an NVRAM variable. The pointer returned may be
@@ -64,12 +59,6 @@ extern void nvram_exit(void *sih);
  */
 extern char *nvram_get(const char *name);
 
-/*
- * Read the reset GPIO value from the nvram and set the GPIO
- * as input
- */
-extern int nvram_resetgpio_init(void *sih);
-
 /*
  * Get the value of an NVRAM variable.
  * @param	name	name of variable to get
@@ -139,12 +128,6 @@ extern int nvram_commit(void);
  */
 extern int nvram_getall(char *nvram_buf, int count);
 
-/*
- * returns the crc value of the nvram
- * @param	nvh	nvram header pointer
- */
-u8 nvram_calc_crc(struct nvram_header *nvh);
-
 #endif				/* _LANGUAGE_ASSEMBLY */
 
 /* variable access */
diff --git a/drivers/staging/brcm80211/include/siutils.h b/drivers/staging/brcm80211/include/siutils.h
deleted file mode 100644
index 101e9a4f807db4d86ec11d115389c742faee6837..0000000000000000000000000000000000000000
--- a/drivers/staging/brcm80211/include/siutils.h
+++ /dev/null
@@ -1,361 +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.
- */
-
-#ifndef	_siutils_h_
-#define	_siutils_h_
-
-#include <hndsoc.h>
-
-/*
- * Data structure to export all chip specific common variables
- *   public (read-only) portion of siutils handle returned by si_attach()
- */
-struct si_pub {
-	uint socitype;		/* SOCI_SB, SOCI_AI */
-
-	uint bustype;		/* SI_BUS, PCI_BUS */
-	uint buscoretype;	/* PCI_CORE_ID, PCIE_CORE_ID, PCMCIA_CORE_ID */
-	uint buscorerev;	/* buscore rev */
-	uint buscoreidx;	/* buscore index */
-	int ccrev;		/* chip common core rev */
-	u32 cccaps;		/* chip common capabilities */
-	u32 cccaps_ext;	/* chip common capabilities extension */
-	int pmurev;		/* pmu core rev */
-	u32 pmucaps;		/* pmu capabilities */
-	uint boardtype;		/* board type */
-	uint boardvendor;	/* board vendor */
-	uint boardflags;	/* board flags */
-	uint boardflags2;	/* board flags2 */
-	uint chip;		/* chip number */
-	uint chiprev;		/* chip revision */
-	uint chippkg;		/* chip package option */
-	u32 chipst;		/* chip status */
-	bool issim;		/* chip is in simulation or emulation */
-	uint socirev;		/* SOC interconnect rev */
-	bool pci_pr32414;
-
-};
-
-/* for HIGH_ONLY driver, the si_t must be writable to allow states sync from BMAC to HIGH driver
- * for monolithic driver, it is readonly to prevent accident change
- */
-typedef const struct si_pub si_t;
-
-/*
- * Many of the routines below take an 'sih' handle as their first arg.
- * Allocate this by calling si_attach().  Free it by calling si_detach().
- * At any one time, the sih is logically focused on one particular si core
- * (the "current core").
- * Use si_setcore() or si_setcoreidx() to change the association to another core.
- */
-
-#define	BADIDX		(SI_MAXCORES + 1)
-
-/* clkctl xtal what flags */
-#define	XTAL			0x1	/* primary crystal oscillator (2050) */
-#define	PLL			0x2	/* main chip pll */
-
-/* clkctl clk mode */
-#define	CLK_FAST		0	/* force fast (pll) clock */
-#define	CLK_DYNAMIC		2	/* enable dynamic clock control */
-
-/* GPIO usage priorities */
-#define GPIO_DRV_PRIORITY	0	/* Driver */
-#define GPIO_APP_PRIORITY	1	/* Application */
-#define GPIO_HI_PRIORITY	2	/* Highest priority. Ignore GPIO reservation */
-
-/* GPIO pull up/down */
-#define GPIO_PULLUP		0
-#define GPIO_PULLDN		1
-
-/* GPIO event regtype */
-#define GPIO_REGEVT		0	/* GPIO register event */
-#define GPIO_REGEVT_INTMSK	1	/* GPIO register event int mask */
-#define GPIO_REGEVT_INTPOL	2	/* GPIO register event int polarity */
-
-/* device path */
-#define SI_DEVPATH_BUFSZ	16	/* min buffer size in bytes */
-
-/* SI routine enumeration: to be used by update function with multiple hooks */
-#define	SI_DOATTACH	1
-#define SI_PCIDOWN	2
-#define SI_PCIUP	3
-
-#define	ISSIM_ENAB(sih)	0
-
-/* PMU clock/power control */
-#if defined(BCMPMUCTL)
-#define PMUCTL_ENAB(sih)	(BCMPMUCTL)
-#else
-#define PMUCTL_ENAB(sih)	((sih)->cccaps & CC_CAP_PMU)
-#endif
-
-/* chipcommon clock/power control (exclusive with PMU's) */
-#if defined(BCMPMUCTL) && BCMPMUCTL
-#define CCCTL_ENAB(sih)		(0)
-#define CCPLL_ENAB(sih)		(0)
-#else
-#define CCCTL_ENAB(sih)		((sih)->cccaps & CC_CAP_PWR_CTL)
-#define CCPLL_ENAB(sih)		((sih)->cccaps & CC_CAP_PLL_MASK)
-#endif
-
-typedef void (*gpio_handler_t) (u32 stat, void *arg);
-
-/* External PA enable mask */
-#define GPIO_CTRL_EPA_EN_MASK 0x40
-
-/* === exported functions === */
-extern si_t *si_attach(uint pcidev, void *regs, uint bustype,
-		       void *sdh, char **vars, uint *varsz);
-
-extern void si_detach(si_t *sih);
-extern bool si_pci_war16165(si_t *sih);
-
-extern uint si_coreid(si_t *sih);
-extern uint si_flag(si_t *sih);
-extern uint si_coreidx(si_t *sih);
-extern uint si_corerev(si_t *sih);
-extern uint si_corereg(si_t *sih, uint coreidx, uint regoff, uint mask,
-		uint val);
-extern void si_write_wrapperreg(si_t *sih, u32 offset, u32 val);
-extern u32 si_core_cflags(si_t *sih, u32 mask, u32 val);
-extern u32 si_core_sflags(si_t *sih, u32 mask, u32 val);
-extern bool si_iscoreup(si_t *sih);
-extern uint si_findcoreidx(si_t *sih, uint coreid, uint coreunit);
-#ifndef BCMSDIO
-extern void *si_setcoreidx(si_t *sih, uint coreidx);
-#endif
-extern void *si_setcore(si_t *sih, uint coreid, uint coreunit);
-extern void *si_switch_core(si_t *sih, uint coreid, uint *origidx,
-			    uint *intr_val);
-extern void si_restore_core(si_t *sih, uint coreid, uint intr_val);
-extern void si_core_reset(si_t *sih, u32 bits, u32 resetbits);
-extern void si_core_disable(si_t *sih, u32 bits);
-extern u32 si_alp_clock(si_t *sih);
-extern u32 si_ilp_clock(si_t *sih);
-extern void si_pci_setup(si_t *sih, uint coremask);
-extern void si_setint(si_t *sih, int siflag);
-extern bool si_backplane64(si_t *sih);
-extern void si_register_intr_callback(si_t *sih, void *intrsoff_fn,
-				      void *intrsrestore_fn,
-				      void *intrsenabled_fn, void *intr_arg);
-extern void si_deregister_intr_callback(si_t *sih);
-extern void si_clkctl_init(si_t *sih);
-extern u16 si_clkctl_fast_pwrup_delay(si_t *sih);
-extern bool si_clkctl_cc(si_t *sih, uint mode);
-extern int si_clkctl_xtal(si_t *sih, uint what, bool on);
-extern bool si_deviceremoved(si_t *sih);
-extern u32 si_socram_size(si_t *sih);
-
-extern void si_watchdog(si_t *sih, uint ticks);
-extern u32 si_gpiocontrol(si_t *sih, u32 mask, u32 val,
-			     u8 priority);
-
-#ifdef BCMSDIO
-extern void si_sdio_init(si_t *sih);
-#endif
-
-#define si_eci(sih) 0
-#define si_eci_init(sih) (0)
-#define si_eci_notify_bt(sih, type, val)  (0)
-#define si_seci(sih) 0
-
-/* OTP status */
-extern bool si_is_otp_disabled(si_t *sih);
-extern bool si_is_otp_powered(si_t *sih);
-extern void si_otp_power(si_t *sih, bool on);
-
-/* SPROM availability */
-extern bool si_is_sprom_available(si_t *sih);
-#ifdef SI_SPROM_PROBE
-extern void si_sprom_init(si_t *sih);
-#endif				/* SI_SPROM_PROBE */
-
-#define	SI_ERROR(args)
-
-#ifdef BCMDBG
-#define	SI_MSG(args)	printk args
-#else
-#define	SI_MSG(args)
-#endif				/* BCMDBG */
-
-/* Define SI_VMSG to printf for verbose debugging, but don't check it in */
-#define	SI_VMSG(args)
-
-#define	IS_SIM(chippkg)	((chippkg == HDLSIM_PKG_ID) || (chippkg == HWSIM_PKG_ID))
-
-typedef u32(*si_intrsoff_t) (void *intr_arg);
-typedef void (*si_intrsrestore_t) (void *intr_arg, u32 arg);
-typedef bool(*si_intrsenabled_t) (void *intr_arg);
-
-typedef struct gpioh_item {
-	void *arg;
-	bool level;
-	gpio_handler_t handler;
-	u32 event;
-	struct gpioh_item *next;
-} gpioh_item_t;
-
-/* misc si info needed by some of the routines */
-typedef struct si_info {
-	struct si_pub pub;	/* back plane public state (must be first) */
-	void *pbus;		/* handle to bus (pci/sdio/..) */
-	uint dev_coreid;	/* the core provides driver functions */
-	void *intr_arg;		/* interrupt callback function arg */
-	si_intrsoff_t intrsoff_fn;	/* turns chip interrupts off */
-	si_intrsrestore_t intrsrestore_fn;	/* restore chip interrupts */
-	si_intrsenabled_t intrsenabled_fn;	/* check if interrupts are enabled */
-
-	void *pch;		/* PCI/E core handle */
-
-	gpioh_item_t *gpioh_head;	/* GPIO event handlers list */
-
-	bool memseg;		/* flag to toggle MEM_SEG register */
-
-	char *vars;
-	uint varsz;
-
-	void *curmap;		/* current regs va */
-	void *regs[SI_MAXCORES];	/* other regs va */
-
-	uint curidx;		/* current core index */
-	uint numcores;		/* # discovered cores */
-	uint coreid[SI_MAXCORES];	/* id of each core */
-	u32 coresba[SI_MAXCORES];	/* backplane address of each core */
-	void *regs2[SI_MAXCORES];	/* va of each core second register set (usbh20) */
-	u32 coresba2[SI_MAXCORES];	/* address of each core second register set (usbh20) */
-	u32 coresba_size[SI_MAXCORES];	/* backplane address space size */
-	u32 coresba2_size[SI_MAXCORES];	/* second address space size */
-
-	void *curwrap;		/* current wrapper va */
-	void *wrappers[SI_MAXCORES];	/* other cores wrapper va */
-	u32 wrapba[SI_MAXCORES];	/* address of controlling wrapper */
-
-	u32 cia[SI_MAXCORES];	/* erom cia entry for each core */
-	u32 cib[SI_MAXCORES];	/* erom cia entry for each core */
-	u32 oob_router;	/* oob router registers for axi */
-} si_info_t;
-
-#define	SI_INFO(sih)	((si_info_t *)(sih))
-
-#define	GOODCOREADDR(x, b) (((x) >= (b)) && ((x) < ((b) + SI_MAXCORES * SI_CORE_SIZE)) && \
-		IS_ALIGNED((x), SI_CORE_SIZE))
-#define	GOODREGS(regs)	((regs) != NULL && IS_ALIGNED((unsigned long)(regs), SI_CORE_SIZE))
-#define BADCOREADDR	0
-#define	GOODIDX(idx)	(((uint)idx) < SI_MAXCORES)
-#define	NOREV		-1	/* Invalid rev */
-
-/* Newer chips can access PCI/PCIE and CC core without requiring to change
- * PCI BAR0 WIN
- */
-#define SI_FAST(si) (((si)->pub.buscoretype == PCIE_CORE_ID) ||	\
-		     (((si)->pub.buscoretype == PCI_CORE_ID) && (si)->pub.buscorerev >= 13))
-
-#define PCIEREGS(si) (((char *)((si)->curmap) + PCI_16KB0_PCIREGS_OFFSET))
-#define CCREGS_FAST(si) (((char *)((si)->curmap) + PCI_16KB0_CCREGS_OFFSET))
-
-/*
- * Macros to disable/restore function core(D11, ENET, ILINE20, etc) interrupts
- * before after core switching to avoid invalid register access inside ISR.
- */
-#define INTR_OFF(si, intr_val) \
-	if ((si)->intrsoff_fn && (si)->coreid[(si)->curidx] == (si)->dev_coreid) {	\
-		intr_val = (*(si)->intrsoff_fn)((si)->intr_arg); }
-#define INTR_RESTORE(si, intr_val) \
-	if ((si)->intrsrestore_fn && (si)->coreid[(si)->curidx] == (si)->dev_coreid) {	\
-		(*(si)->intrsrestore_fn)((si)->intr_arg, intr_val); }
-
-/* dynamic clock control defines */
-#define	LPOMINFREQ		25000	/* low power oscillator min */
-#define	LPOMAXFREQ		43000	/* low power oscillator max */
-#define	XTALMINFREQ		19800000	/* 20 MHz - 1% */
-#define	XTALMAXFREQ		20200000	/* 20 MHz + 1% */
-#define	PCIMINFREQ		25000000	/* 25 MHz */
-#define	PCIMAXFREQ		34000000	/* 33 MHz + fudge */
-
-#define	ILP_DIV_5MHZ		0	/* ILP = 5 MHz */
-#define	ILP_DIV_1MHZ		4	/* ILP = 1 MHz */
-
-#define PCI(si)		(((si)->pub.bustype == PCI_BUS) &&	\
-			 ((si)->pub.buscoretype == PCI_CORE_ID))
-#define PCIE(si)	(((si)->pub.bustype == PCI_BUS) &&	\
-			 ((si)->pub.buscoretype == PCIE_CORE_ID))
-#define PCI_FORCEHT(si)	\
-	(PCIE(si) && (si->pub.chip == BCM4716_CHIP_ID))
-
-/* GPIO Based LED powersave defines */
-#define DEFAULT_GPIO_ONTIME	10	/* Default: 10% on */
-#define DEFAULT_GPIO_OFFTIME	90	/* Default: 10% on */
-
-#ifndef DEFAULT_GPIOTIMERVAL
-#define DEFAULT_GPIOTIMERVAL  ((DEFAULT_GPIO_ONTIME << GPIO_ONTIME_SHIFT) | DEFAULT_GPIO_OFFTIME)
-#endif
-
-/*
- * Build device path. Path size must be >= SI_DEVPATH_BUFSZ.
- * The returned path is NULL terminated and has trailing '/'.
- * Return 0 on success, nonzero otherwise.
- */
-extern int si_devpath(si_t *sih, char *path, int size);
-/* Read variable with prepending the devpath to the name */
-extern char *si_getdevpathvar(si_t *sih, const char *name);
-extern int si_getdevpathintvar(si_t *sih, const char *name);
-
-extern void si_war42780_clkreq(si_t *sih, bool clkreq);
-extern void si_pci_sleep(si_t *sih);
-extern void si_pci_down(si_t *sih);
-extern void si_pci_up(si_t *sih);
-extern void si_pcie_extendL1timer(si_t *sih, bool extend);
-extern int si_pci_fixcfg(si_t *sih);
-
-extern void si_chipcontrl_epa4331(si_t *sih, bool on);
-/* Enable Ex-PA for 4313 */
-extern void si_epa_4313war(si_t *sih);
-
-char *si_getnvramflvar(si_t *sih, const char *name);
-
-/* AMBA Interconnect exported externs */
-extern si_t *ai_attach(uint pcidev, void *regs, uint bustype,
-		       void *sdh, char **vars, uint *varsz);
-extern si_t *ai_kattach(void);
-extern void ai_scan(si_t *sih, void *regs, uint devid);
-
-extern uint ai_flag(si_t *sih);
-extern void ai_setint(si_t *sih, int siflag);
-extern uint ai_coreidx(si_t *sih);
-extern uint ai_corevendor(si_t *sih);
-extern uint ai_corerev(si_t *sih);
-extern bool ai_iscoreup(si_t *sih);
-extern void *ai_setcoreidx(si_t *sih, uint coreidx);
-extern u32 ai_core_cflags(si_t *sih, u32 mask, u32 val);
-extern void ai_core_cflags_wo(si_t *sih, u32 mask, u32 val);
-extern u32 ai_core_sflags(si_t *sih, u32 mask, u32 val);
-extern uint ai_corereg(si_t *sih, uint coreidx, uint regoff, uint mask,
-		       uint val);
-extern void ai_core_reset(si_t *sih, u32 bits, u32 resetbits);
-extern void ai_core_disable(si_t *sih, u32 bits);
-extern int ai_numaddrspaces(si_t *sih);
-extern u32 ai_addrspace(si_t *sih, uint asidx);
-extern u32 ai_addrspacesize(si_t *sih, uint asidx);
-extern void ai_write_wrap_reg(si_t *sih, u32 offset, u32 val);
-
-#ifdef BCMSDIO
-#define si_setcoreidx(sih, idx) sb_setcoreidx(sih, idx)
-#define si_coreid(sih) sb_coreid(sih)
-#define si_corerev(sih) sb_corerev(sih)
-#endif
-
-#endif				/* _siutils_h_ */