From 3c9d4c3749a712fa370289b54f40b157c336c8f3 Mon Sep 17 00:00:00 2001
From: Arend van Spriel <arend@broadcom.com>
Date: Wed, 2 Mar 2011 21:18:48 +0100
Subject: [PATCH] staging: brcm80211: remove struct osl_info from driver
 sources

The struct osl_info was being used only in attach functions but
previous changes make the entire usage of this structure obsolete.

Reviewed-by: Brett Rudley <brudley@broadcom.com>
Reviewed-by: Henry Ptasinski <henryp@broadcom.com>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/brcm80211/brcmfmac/bcmsdbus.h |  2 +-
 drivers/staging/brcm80211/brcmfmac/bcmsdh.c   |  7 +-
 .../staging/brcm80211/brcmfmac/bcmsdh_linux.c | 21 ++----
 .../staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c |  3 +-
 .../staging/brcm80211/brcmfmac/bcmsdh_sdmmc.h |  4 +-
 drivers/staging/brcm80211/brcmfmac/dhd.h      |  7 +-
 .../staging/brcm80211/brcmfmac/dhd_linux.c    | 14 +---
 drivers/staging/brcm80211/brcmfmac/dhd_sdio.c | 68 +++++++------------
 .../staging/brcm80211/brcmsmac/wl_mac80211.c  |  2 +-
 drivers/staging/brcm80211/brcmsmac/wlc_bmac.c | 10 ++-
 drivers/staging/brcm80211/brcmsmac/wlc_main.c |  5 +-
 drivers/staging/brcm80211/brcmsmac/wlc_main.h |  1 -
 drivers/staging/brcm80211/brcmsmac/wlc_pub.h  |  5 +-
 drivers/staging/brcm80211/include/bcmsdh.h    |  6 +-
 drivers/staging/brcm80211/include/hnddma.h    |  3 +-
 drivers/staging/brcm80211/include/siutils.h   |  6 +-
 drivers/staging/brcm80211/util/hnddma.c       |  8 +--
 17 files changed, 52 insertions(+), 120 deletions(-)

diff --git a/drivers/staging/brcm80211/brcmfmac/bcmsdbus.h b/drivers/staging/brcm80211/brcmfmac/bcmsdbus.h
index 99e075b484fb..53c32915acc9 100644
--- a/drivers/staging/brcm80211/brcmfmac/bcmsdbus.h
+++ b/drivers/staging/brcm80211/brcmfmac/bcmsdbus.h
@@ -46,7 +46,7 @@ typedef void (*sdioh_cb_fn_t) (void *);
  *  The handler shall be provided by all subsequent calls. No local cache
  *  cfghdl points to the starting address of pci device mapped memory
  */
-extern sdioh_info_t *sdioh_attach(struct osl_info *osh, void *cfghdl, uint irq);
+extern sdioh_info_t *sdioh_attach(void *cfghdl, uint irq);
 extern SDIOH_API_RC sdioh_detach(sdioh_info_t *si);
 extern SDIOH_API_RC sdioh_interrupt_register(sdioh_info_t *si,
 					     sdioh_cb_fn_t fn, void *argh);
diff --git a/drivers/staging/brcm80211/brcmfmac/bcmsdh.c b/drivers/staging/brcm80211/brcmfmac/bcmsdh.c
index 22c8f8dc55ef..6180f6418f8a 100644
--- a/drivers/staging/brcm80211/brcmfmac/bcmsdh.c
+++ b/drivers/staging/brcm80211/brcmfmac/bcmsdh.c
@@ -38,7 +38,6 @@ struct bcmsdh_info {
 	bool init_success;	/* underlying driver successfully attached */
 	void *sdioh;		/* handler for sdioh */
 	u32 vendevid;	/* Target Vendor and Device ID on SD bus */
-	struct osl_info *osh;
 	bool regfail;		/* Save status of last
 				 reg_read/reg_write call */
 	u32 sbwad;		/* Save backplane window address */
@@ -55,8 +54,7 @@ void bcmsdh_enable_hw_oob_intr(bcmsdh_info_t *sdh, bool enable)
 }
 #endif
 
-bcmsdh_info_t *bcmsdh_attach(struct osl_info *osh, void *cfghdl,
-				void **regsva, uint irq)
+bcmsdh_info_t *bcmsdh_attach(void *cfghdl, void **regsva, uint irq)
 {
 	bcmsdh_info_t *bcmsdh;
 
@@ -69,13 +67,12 @@ bcmsdh_info_t *bcmsdh_attach(struct osl_info *osh, void *cfghdl,
 	/* save the handler locally */
 	l_bcmsdh = bcmsdh;
 
-	bcmsdh->sdioh = sdioh_attach(osh, cfghdl, irq);
+	bcmsdh->sdioh = sdioh_attach(cfghdl, irq);
 	if (!bcmsdh->sdioh) {
 		bcmsdh_detach(bcmsdh);
 		return NULL;
 	}
 
-	bcmsdh->osh = osh;
 	bcmsdh->init_success = true;
 
 	*regsva = (u32 *) SI_ENUM_BASE;
diff --git a/drivers/staging/brcm80211/brcmfmac/bcmsdh_linux.c b/drivers/staging/brcm80211/brcmfmac/bcmsdh_linux.c
index 6292f4f843d7..6842e730ed5e 100644
--- a/drivers/staging/brcm80211/brcmfmac/bcmsdh_linux.c
+++ b/drivers/staging/brcm80211/brcmfmac/bcmsdh_linux.c
@@ -56,7 +56,6 @@ struct bcmsdh_hc {
 #else
 	struct pci_dev *dev;	/* pci device handle */
 #endif				/* BCMPLATFORM_BUS */
-	struct osl_info *osh;
 	void *regs;		/* SDIO Host Controller address */
 	bcmsdh_info_t *sdh;	/* SDIO Host Controller handle */
 	void *ch;
@@ -142,7 +141,6 @@ static
 #endif				/* BCMLXSDMMC */
 int bcmsdh_probe(struct device *dev)
 {
-	struct osl_info *osh = NULL;
 	bcmsdh_hc_t *sdhc = NULL;
 	unsigned long regs = 0;
 	bcmsdh_info_t *sdh = NULL;
@@ -177,28 +175,21 @@ int bcmsdh_probe(struct device *dev)
 	}
 #endif				/* defined(OOB_INTR_ONLY) */
 	/* allocate SDIO Host Controller state info */
-	osh = osl_attach(dev, PCI_BUS);
-	if (!osh) {
-		SDLX_MSG(("%s: osl_attach failed\n", __func__));
-		goto err;
-	}
 	sdhc = kzalloc(sizeof(bcmsdh_hc_t), GFP_ATOMIC);
 	if (!sdhc) {
 		SDLX_MSG(("%s: out of memory\n", __func__));
 		goto err;
 	}
-	sdhc->osh = osh;
-
 	sdhc->dev = (void *)dev;
 
 #ifdef BCMLXSDMMC
-	sdh = bcmsdh_attach(osh, (void *)0, (void **)&regs, irq);
+	sdh = bcmsdh_attach((void *)0, (void **)&regs, irq);
 	if (!sdh) {
 		SDLX_MSG(("%s: bcmsdh_attach failed\n", __func__));
 		goto err;
 	}
 #else
-	sdh = bcmsdh_attach(osh, (void *)r->start, (void **)&regs, irq);
+	sdh = bcmsdh_attach((void *)r->start, (void **)&regs, irq);
 	if (!sdh) {
 		SDLX_MSG(("%s: bcmsdh_attach failed\n", __func__));
 		goto err;
@@ -220,7 +211,7 @@ int bcmsdh_probe(struct device *dev)
 
 	/* try to attach to the target device */
 	sdhc->ch = drvinfo.attach((vendevid >> 16), (vendevid & 0xFFFF),
-				0, 0, 0, 0, (void *)regs, NULL, sdh);
+				  0, 0, 0, 0, (void *)regs, sdh);
 	if (!sdhc->ch) {
 		SDLX_MSG(("%s: device attach failed\n", __func__));
 		goto err;
@@ -235,8 +226,7 @@ err:
 			bcmsdh_detach(sdhc->sdh);
 		kfree(sdhc);
 	}
-	if (osh)
-		osl_detach(osh);
+
 	return -ENODEV;
 }
 
@@ -246,7 +236,6 @@ static
 int bcmsdh_remove(struct device *dev)
 {
 	bcmsdh_hc_t *sdhc, *prev;
-	struct osl_info *osh;
 
 	sdhc = sdhcinfo;
 	drvinfo.detach(sdhc->ch);
@@ -269,9 +258,7 @@ int bcmsdh_remove(struct device *dev)
 	}
 
 	/* release SDIO Host Controller info */
-	osh = sdhc->osh;
 	kfree(sdhc);
-	osl_detach(osh);
 
 #if !defined(BCMLXSDMMC)
 	dev_set_drvdata(dev, NULL);
diff --git a/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c b/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c
index ef75219968fc..e69b77f04c43 100644
--- a/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c
+++ b/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c
@@ -111,7 +111,7 @@ static int sdioh_sdmmc_card_enablefuncs(sdioh_info_t *sd)
 /*
  *	Public entry points & extern's
  */
-extern sdioh_info_t *sdioh_attach(struct osl_info *osh, void *bar0, uint irq)
+sdioh_info_t *sdioh_attach(void *bar0, uint irq)
 {
 	sdioh_info_t *sd;
 	int err_ret;
@@ -128,7 +128,6 @@ extern sdioh_info_t *sdioh_attach(struct osl_info *osh, void *bar0, uint irq)
 		sd_err(("sdioh_attach: out of memory\n"));
 		return NULL;
 	}
-	sd->osh = osh;
 	if (sdioh_sdmmc_osinit(sd) != 0) {
 		sd_err(("%s:sdioh_sdmmc_osinit() failed\n", __func__));
 		kfree(sd);
diff --git a/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.h b/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.h
index 50470f6c92fa..3ef42b318493 100644
--- a/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.h
+++ b/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.h
@@ -118,8 +118,8 @@ extern void sdioh_sdmmc_devintr_off(sdioh_info_t *sd);
  */
 
 /* Register mapping routines */
-extern u32 *sdioh_sdmmc_reg_map(struct osl_info *osh, s32 addr, int size);
-extern void sdioh_sdmmc_reg_unmap(struct osl_info *osh, s32 addr, int size);
+extern u32 *sdioh_sdmmc_reg_map(s32 addr, int size);
+extern void sdioh_sdmmc_reg_unmap(s32 addr, int size);
 
 /* Interrupt (de)registration routines */
 extern int sdioh_sdmmc_register_irq(sdioh_info_t *sd, uint irq);
diff --git a/drivers/staging/brcm80211/brcmfmac/dhd.h b/drivers/staging/brcm80211/brcmfmac/dhd.h
index a78b20a0cc79..60cf78213a07 100644
--- a/drivers/staging/brcm80211/brcmfmac/dhd.h
+++ b/drivers/staging/brcm80211/brcmfmac/dhd.h
@@ -52,7 +52,6 @@ enum dhd_bus_state {
 /* Common structure for module and instance linkage */
 typedef struct dhd_pub {
 	/* Linkage ponters */
-	struct osl_info *osh;		/* OSL handle */
 	struct dhd_bus *bus;	/* Bus module handle */
 	struct dhd_prot *prot;	/* Protocol module handle */
 	struct dhd_info *info;	/* Info module handle */
@@ -213,16 +212,12 @@ typedef struct dhd_if_event {
  * Exported from dhd OS modules (dhd_linux/dhd_ndis)
  */
 
-/* To allow osl_attach/detach calls from os-independent modules */
-struct osl_info *dhd_osl_attach(void *pdev, uint bustype);
-void dhd_osl_detach(struct osl_info *osh);
-
 /* Indication from bus module regarding presence/insertion of dongle.
  * Return dhd_pub_t pointer, used as handle to OS module in later calls.
  * Returned structure should have bus and prot pointers filled in.
  * bus_hdrlen specifies required headroom for bus module header.
  */
-extern dhd_pub_t *dhd_attach(struct osl_info *osh, struct dhd_bus *bus,
+extern dhd_pub_t *dhd_attach(struct dhd_bus *bus,
 				uint bus_hdrlen);
 extern int dhd_net_attach(dhd_pub_t *dhdp, int idx);
 
diff --git a/drivers/staging/brcm80211/brcmfmac/dhd_linux.c b/drivers/staging/brcm80211/brcmfmac/dhd_linux.c
index 4962650b0cfc..870f3bebe1d5 100644
--- a/drivers/staging/brcm80211/brcmfmac/dhd_linux.c
+++ b/drivers/staging/brcm80211/brcmfmac/dhd_linux.c
@@ -1858,16 +1858,6 @@ static int dhd_open(struct net_device *net)
 	return ret;
 }
 
-struct osl_info *dhd_osl_attach(void *pdev, uint bustype)
-{
-	return osl_attach(pdev, bustype);
-}
-
-void dhd_osl_detach(struct osl_info *osh)
-{
-	osl_detach(osh);
-}
-
 int
 dhd_add_if(dhd_info_t *dhd, int ifidx, void *handle, char *name,
 	   u8 *mac_addr, u32 flags, u8 bssidx)
@@ -1921,8 +1911,7 @@ void dhd_del_if(dhd_info_t *dhd, int ifidx)
 	up(&dhd->sysioc_sem);
 }
 
-dhd_pub_t *dhd_attach(struct osl_info *osh, struct dhd_bus *bus,
-			uint bus_hdrlen)
+dhd_pub_t *dhd_attach(struct dhd_bus *bus, uint bus_hdrlen)
 {
 	dhd_info_t *dhd = NULL;
 	struct net_device *net;
@@ -1955,7 +1944,6 @@ dhd_pub_t *dhd_attach(struct osl_info *osh, struct dhd_bus *bus,
 	 * Save the dhd_info into the priv
 	 */
 	memcpy(netdev_priv(net), &dhd, sizeof(dhd));
-	dhd->pub.osh = osh;
 
 	/* Set network interface name if it was provided as module parameter */
 	if (iface_name[0]) {
diff --git a/drivers/staging/brcm80211/brcmfmac/dhd_sdio.c b/drivers/staging/brcm80211/brcmfmac/dhd_sdio.c
index 060a5e0b1519..bb62576ea88f 100644
--- a/drivers/staging/brcm80211/brcmfmac/dhd_sdio.c
+++ b/drivers/staging/brcm80211/brcmfmac/dhd_sdio.c
@@ -362,7 +362,7 @@ extern void bcmsdh_enable_hw_oob_intr(void *sdh, bool enable);
 #if defined(OOB_INTR_ONLY) && defined(SDIO_ISR_THREAD)
 #error OOB_INTR_ONLY is NOT working with SDIO_ISR_THREAD
 #endif	/* defined(OOB_INTR_ONLY) && defined(SDIO_ISR_THREAD) */
-#define PKTALIGN(_osh, _p, _len, _align)				\
+#define PKTALIGN(_p, _len, _align)				\
 	do {								\
 		uint datalign;						\
 		datalign = (unsigned long)((_p)->data);			\
@@ -436,7 +436,7 @@ static int dhdsdio_mem_dump(dhd_bus_t *bus);
 #endif				/* DHD_DEBUG  */
 static int dhdsdio_download_state(dhd_bus_t *bus, bool enter);
 
-static void dhdsdio_release(dhd_bus_t *bus, struct osl_info *osh);
+static void dhdsdio_release(dhd_bus_t *bus);
 static void dhdsdio_release_malloc(dhd_bus_t *bus);
 static void dhdsdio_disconnect(void *ptr);
 static bool dhdsdio_chipmatch(u16 chipid);
@@ -911,7 +911,6 @@ static int dhdsdio_txpkt(dhd_bus_t *bus, struct sk_buff *pkt, uint chan,
 			 bool free_pkt)
 {
 	int ret;
-	struct osl_info *osh;
 	u8 *frame;
 	u16 len, pad = 0;
 	u32 swheader;
@@ -923,7 +922,6 @@ static int dhdsdio_txpkt(dhd_bus_t *bus, struct sk_buff *pkt, uint chan,
 	DHD_TRACE(("%s: Enter\n", __func__));
 
 	sdh = bus->sdh;
-	osh = bus->dhd->osh;
 
 	if (bus->dhd->dongle_reset) {
 		ret = BCME_NOTREADY;
@@ -948,7 +946,7 @@ static int dhdsdio_txpkt(dhd_bus_t *bus, struct sk_buff *pkt, uint chan,
 				goto done;
 			}
 
-			PKTALIGN(osh, new, pkt->len, DHD_SDALIGN);
+			PKTALIGN(new, pkt->len, DHD_SDALIGN);
 			memcpy(new->data, pkt->data, pkt->len);
 			if (free_pkt)
 				pkt_buf_free_skb(pkt);
@@ -1073,12 +1071,10 @@ done:
 int dhd_bus_txdata(struct dhd_bus *bus, struct sk_buff *pkt)
 {
 	int ret = BCME_ERROR;
-	struct osl_info *osh;
 	uint datalen, prec;
 
 	DHD_TRACE(("%s: Enter\n", __func__));
 
-	osh = bus->dhd->osh;
 	datalen = pkt->len;
 
 #ifdef SDTEST
@@ -2484,9 +2480,6 @@ dhdsdio_doiovar(dhd_bus_t *bus, const bcm_iovar_t *vi, u32 actionid,
 			__func__, bool_val, bus->dhd->dongle_reset,
 			bus->dhd->busstate));
 
-		ASSERT(bus->dhd->osh);
-		/* ASSERT(bus->cl_devid); */
-
 		dhd_bus_devreset(bus->dhd, (u8) bool_val);
 
 		break;
@@ -3259,7 +3252,7 @@ static u8 dhdsdio_rxglom(dhd_bus_t *bus, u8 rxseq)
 			}
 
 			/* Adhere to start alignment requirements */
-			PKTALIGN(osh, pnext, sublen, DHD_SDALIGN);
+			PKTALIGN(pnext, sublen, DHD_SDALIGN);
 		}
 
 		/* If all allocations succeeded, save packet chain
@@ -3739,7 +3732,7 @@ static uint dhdsdio_readframes(dhd_bus_t *bus, uint maxframes, bool *finished)
 					bus->usebufpool = true;
 
 				ASSERT(!(pkt->prev));
-				PKTALIGN(osh, pkt, rdlen, DHD_SDALIGN);
+				PKTALIGN(pkt, rdlen, DHD_SDALIGN);
 				rxbuf = (u8 *) (pkt->data);
 				/* Read the entire frame */
 				sdret =
@@ -4108,7 +4101,7 @@ static uint dhdsdio_readframes(dhd_bus_t *bus, uint maxframes, bool *finished)
 		/* Leave room for what we already read, and align remainder */
 		ASSERT(firstread < pkt->len);
 		skb_pull(pkt, firstread);
-		PKTALIGN(osh, pkt, rdlen, DHD_SDALIGN);
+		PKTALIGN(pkt, rdlen, DHD_SDALIGN);
 
 		/* Read the remaining frame data */
 		sdret =
@@ -4635,7 +4628,6 @@ static void dhdsdio_pktgen(dhd_bus_t *bus)
 	u8 *data;
 	uint pktcount;
 	uint fillbyte;
-	struct osl_info *osh = bus->dhd->osh;
 	u16 len;
 
 	/* Display current count if appropriate */
@@ -4663,14 +4655,14 @@ static void dhdsdio_pktgen(dhd_bus_t *bus)
 
 		/* Allocate an appropriate-sized packet */
 		len = bus->pktgen_len;
-		pkt = pkt_buf_get_skb(osh,
+		pkt = pkt_buf_get_skb(
 			(len + SDPCM_HDRLEN + SDPCM_TEST_HDRLEN + DHD_SDALIGN),
 			true);
 		if (!pkt) {
 			DHD_ERROR(("%s: pkt_buf_get_skb failed!\n", __func__));
 			break;
 		}
-		PKTALIGN(osh, pkt, (len + SDPCM_HDRLEN + SDPCM_TEST_HDRLEN),
+		PKTALIGN(pkt, (len + SDPCM_HDRLEN + SDPCM_TEST_HDRLEN),
 			 DHD_SDALIGN);
 		data = (u8 *) (pkt->data) + SDPCM_HDRLEN;
 
@@ -4694,7 +4686,7 @@ static void dhdsdio_pktgen(dhd_bus_t *bus)
 		default:
 			DHD_ERROR(("Unrecognized pktgen mode %d\n",
 				   bus->pktgen_mode));
-			pkt_buf_free_skb(osh, pkt, true);
+			pkt_buf_free_skb(pkt, true);
 			bus->pktgen_count = 0;
 			return;
 		}
@@ -4740,16 +4732,15 @@ static void dhdsdio_sdtest_set(dhd_bus_t *bus, bool start)
 {
 	struct sk_buff *pkt;
 	u8 *data;
-	struct osl_info *osh = bus->dhd->osh;
 
 	/* Allocate the packet */
-	pkt = pkt_buf_get_skb(osh, SDPCM_HDRLEN + SDPCM_TEST_HDRLEN + DHD_SDALIGN,
+	pkt = pkt_buf_get_skb(SDPCM_HDRLEN + SDPCM_TEST_HDRLEN + DHD_SDALIGN,
 			true);
 	if (!pkt) {
 		DHD_ERROR(("%s: pkt_buf_get_skb failed!\n", __func__));
 		return;
 	}
-	PKTALIGN(osh, pkt, (SDPCM_HDRLEN + SDPCM_TEST_HDRLEN), DHD_SDALIGN);
+	PKTALIGN(pkt, (SDPCM_HDRLEN + SDPCM_TEST_HDRLEN), DHD_SDALIGN);
 	data = (u8 *) (pkt->data) + SDPCM_HDRLEN;
 
 	/* Fill in the test header */
@@ -4765,7 +4756,6 @@ static void dhdsdio_sdtest_set(dhd_bus_t *bus, bool start)
 
 static void dhdsdio_testrcv(dhd_bus_t *bus, struct sk_buff *pkt, uint seq)
 {
-	struct osl_info *osh = bus->dhd->osh;
 	u8 *data;
 	uint pktlen;
 
@@ -4779,7 +4769,7 @@ static void dhdsdio_testrcv(dhd_bus_t *bus, struct sk_buff *pkt, uint seq)
 	if (pktlen < SDPCM_TEST_HDRLEN) {
 		DHD_ERROR(("dhdsdio_restrcv: toss runt frame, pktlen %d\n",
 			   pktlen));
-		pkt_buf_free_skb(osh, pkt, false);
+		pkt_buf_free_skb(pkt, false);
 		return;
 	}
 
@@ -4797,7 +4787,7 @@ static void dhdsdio_testrcv(dhd_bus_t *bus, struct sk_buff *pkt, uint seq)
 			DHD_ERROR(("dhdsdio_testrcv: frame length mismatch, "
 				"pktlen %d seq %d" " cmd %d extra %d len %d\n",
 				pktlen, seq, cmd, extra, len));
-			pkt_buf_free_skb(osh, pkt, false);
+			pkt_buf_free_skb(pkt, false);
 			return;
 		}
 	}
@@ -4812,14 +4802,14 @@ static void dhdsdio_testrcv(dhd_bus_t *bus, struct sk_buff *pkt, uint seq)
 			bus->pktgen_sent++;
 		} else {
 			bus->pktgen_fail++;
-			pkt_buf_free_skb(osh, pkt, false);
+			pkt_buf_free_skb(pkt, false);
 		}
 		bus->pktgen_rcvd++;
 		break;
 
 	case SDPCM_TEST_ECHORSP:
 		if (bus->ext_loop) {
-			pkt_buf_free_skb(osh, pkt, false);
+			pkt_buf_free_skb(pkt, false);
 			bus->pktgen_rcvd++;
 			break;
 		}
@@ -4832,12 +4822,12 @@ static void dhdsdio_testrcv(dhd_bus_t *bus, struct sk_buff *pkt, uint seq)
 				break;
 			}
 		}
-		pkt_buf_free_skb(osh, pkt, false);
+		pkt_buf_free_skb(pkt, false);
 		bus->pktgen_rcvd++;
 		break;
 
 	case SDPCM_TEST_DISCARD:
-		pkt_buf_free_skb(osh, pkt, false);
+		pkt_buf_free_skb(pkt, false);
 		bus->pktgen_rcvd++;
 		break;
 
@@ -4847,7 +4837,7 @@ static void dhdsdio_testrcv(dhd_bus_t *bus, struct sk_buff *pkt, uint seq)
 		DHD_INFO(("dhdsdio_testrcv: unsupported or unknown command, "
 			"pktlen %d seq %d" " cmd %d extra %d len %d\n",
 			pktlen, seq, cmd, extra, len));
-		pkt_buf_free_skb(osh, pkt, false);
+		pkt_buf_free_skb(pkt, false);
 		break;
 	}
 
@@ -5066,7 +5056,7 @@ static bool dhdsdio_chipmatch(u16 chipid)
 
 static void *dhdsdio_probe(u16 venid, u16 devid, u16 bus_no,
 			   u16 slot, u16 func, uint bustype, void *regsva,
-			   struct osl_info *osh, void *sdh)
+			   void *sdh)
 {
 	int ret;
 	dhd_bus_t *bus;
@@ -5143,15 +5133,6 @@ static void *dhdsdio_probe(u16 venid, u16 devid, u16 bus_no,
 		return NULL;
 	}
 
-	if (osh == NULL) {
-		/* Ask the OS interface part for an OSL handle */
-		osh = dhd_osl_attach(sdh, DHD_BUS);
-		if (!osh) {
-			DHD_ERROR(("%s: osl_attach failed!\n", __func__));
-			return NULL;
-		}
-	}
-
 	/* Allocate private bus interface state */
 	bus = kzalloc(sizeof(dhd_bus_t), GFP_ATOMIC);
 	if (!bus) {
@@ -5172,7 +5153,7 @@ static void *dhdsdio_probe(u16 venid, u16 devid, u16 bus_no,
 	}
 
 	/* Attach to the dhd/OS/network interface */
-	bus->dhd = dhd_attach(osh, bus, SDPCM_RESERVE);
+	bus->dhd = dhd_attach(bus, SDPCM_RESERVE);
 	if (!bus->dhd) {
 		DHD_ERROR(("%s: dhd_attach failed\n", __func__));
 		goto fail;
@@ -5220,7 +5201,7 @@ static void *dhdsdio_probe(u16 venid, u16 devid, u16 bus_no,
 	return bus;
 
 fail:
-	dhdsdio_release(bus, osh);
+	dhdsdio_release(bus);
 	return NULL;
 }
 
@@ -5527,7 +5508,7 @@ dhdsdio_download_firmware(struct dhd_bus *bus, void *sdh)
 }
 
 /* Detach and free everything */
-static void dhdsdio_release(dhd_bus_t *bus, struct osl_info *osh)
+static void dhdsdio_release(dhd_bus_t *bus)
 {
 	DHD_TRACE(("%s: Enter\n", __func__));
 
@@ -5549,9 +5530,6 @@ static void dhdsdio_release(dhd_bus_t *bus, struct osl_info *osh)
 		kfree(bus);
 	}
 
-	if (osh)
-		dhd_osl_detach(osh);
-
 	DHD_TRACE(("%s: Disconnected\n", __func__));
 }
 
@@ -5604,7 +5582,7 @@ static void dhdsdio_disconnect(void *ptr)
 
 	if (bus) {
 		ASSERT(bus->dhd);
-		dhdsdio_release(bus, bus->dhd->osh);
+		dhdsdio_release(bus);
 	}
 
 	DHD_TRACE(("%s: Disconnected\n", __func__));
diff --git a/drivers/staging/brcm80211/brcmsmac/wl_mac80211.c b/drivers/staging/brcm80211/brcmsmac/wl_mac80211.c
index 2b2d1c21dffc..9fdd7755b590 100644
--- a/drivers/staging/brcm80211/brcmsmac/wl_mac80211.c
+++ b/drivers/staging/brcm80211/brcmsmac/wl_mac80211.c
@@ -790,7 +790,7 @@ static struct wl_info *wl_attach(u16 vendor, u16 device, unsigned long regs,
 	}
 
 	/* common load-time initialization */
-	wl->wlc = wlc_attach((void *)wl, vendor, device, unit, wl->piomode, osh,
+	wl->wlc = wlc_attach((void *)wl, vendor, device, unit, wl->piomode,
 			     wl->regsva, wl->bcm_bustype, btparam, &err);
 	wl_release_fw(wl);
 	if (!wl->wlc) {
diff --git a/drivers/staging/brcm80211/brcmsmac/wlc_bmac.c b/drivers/staging/brcm80211/brcmsmac/wlc_bmac.c
index ca12d2602799..e419da54be1a 100644
--- a/drivers/staging/brcm80211/brcmsmac/wlc_bmac.c
+++ b/drivers/staging/brcm80211/brcmsmac/wlc_bmac.c
@@ -531,8 +531,6 @@ static bool wlc_bmac_attach_dmapio(struct wlc_info *wlc, uint j, bool wme)
 	if (wlc_hw->di[0] == 0) {	/* Init FIFOs */
 		uint addrwidth;
 		int dma_attach_err = 0;
-		struct osl_info *osh = wlc->osh;
-
 		/* Find out the DMA addressing capability and let OS know
 		 * All the channels within one DMA core have 'common-minimum' same
 		 * capability
@@ -553,7 +551,7 @@ static bool wlc_bmac_attach_dmapio(struct wlc_info *wlc, uint j, bool wme)
 		 */
 		ASSERT(TX_AC_BK_FIFO == 0);
 		ASSERT(RX_FIFO == 0);
-		wlc_hw->di[0] = dma_attach(osh, name, wlc_hw->sih,
+		wlc_hw->di[0] = dma_attach(name, wlc_hw->sih,
 					   (wme ? DMAREG(wlc_hw, DMA_TX, 0) :
 					    NULL), DMAREG(wlc_hw, DMA_RX, 0),
 					   (wme ? tune->ntxd : 0), tune->nrxd,
@@ -569,7 +567,7 @@ static bool wlc_bmac_attach_dmapio(struct wlc_info *wlc, uint j, bool wme)
 		 */
 		ASSERT(TX_AC_BE_FIFO == 1);
 		ASSERT(TX_DATA_FIFO == 1);
-		wlc_hw->di[1] = dma_attach(osh, name, wlc_hw->sih,
+		wlc_hw->di[1] = dma_attach(name, wlc_hw->sih,
 					   DMAREG(wlc_hw, DMA_TX, 1), NULL,
 					   tune->ntxd, 0, 0, -1, 0, 0,
 					   &wl_msg_level);
@@ -581,7 +579,7 @@ static bool wlc_bmac_attach_dmapio(struct wlc_info *wlc, uint j, bool wme)
 		 * RX: UNUSED
 		 */
 		ASSERT(TX_AC_VI_FIFO == 2);
-		wlc_hw->di[2] = dma_attach(osh, name, wlc_hw->sih,
+		wlc_hw->di[2] = dma_attach(name, wlc_hw->sih,
 					   DMAREG(wlc_hw, DMA_TX, 2), NULL,
 					   tune->ntxd, 0, 0, -1, 0, 0,
 					   &wl_msg_level);
@@ -593,7 +591,7 @@ static bool wlc_bmac_attach_dmapio(struct wlc_info *wlc, uint j, bool wme)
 		 */
 		ASSERT(TX_AC_VO_FIFO == 3);
 		ASSERT(TX_CTL_FIFO == 3);
-		wlc_hw->di[3] = dma_attach(osh, name, wlc_hw->sih,
+		wlc_hw->di[3] = dma_attach(name, wlc_hw->sih,
 					   DMAREG(wlc_hw, DMA_TX, 3),
 					   NULL, tune->ntxd, 0, 0, -1,
 					   0, 0, &wl_msg_level);
diff --git a/drivers/staging/brcm80211/brcmsmac/wlc_main.c b/drivers/staging/brcm80211/brcmsmac/wlc_main.c
index e046727c58e4..4527fe2dac6e 100644
--- a/drivers/staging/brcm80211/brcmsmac/wlc_main.c
+++ b/drivers/staging/brcm80211/brcmsmac/wlc_main.c
@@ -1722,8 +1722,7 @@ struct wlc_pub *wlc_pub(void *wlc)
  * The common driver entry routine. Error codes should be unique
  */
 void *wlc_attach(void *wl, u16 vendor, u16 device, uint unit, bool piomode,
-		 struct osl_info *osh, void *regsva, uint bustype,
-		 void *btparam, uint *perr)
+		 void *regsva, uint bustype, void *btparam, uint *perr)
 {
 	struct wlc_info *wlc;
 	uint err = 0;
@@ -1772,7 +1771,6 @@ void *wlc_attach(void *wl, u16 vendor, u16 device, uint unit, bool piomode,
 	wlc = (struct wlc_info *) wlc_attach_malloc(unit, &err, device);
 	if (wlc == NULL)
 		goto fail;
-	wlc->osh = osh;
 	pub = wlc->pub;
 
 #if defined(BCMDBG)
@@ -1783,7 +1781,6 @@ void *wlc_attach(void *wl, u16 vendor, u16 device, uint unit, bool piomode,
 	wlc->core = wlc->corestate;
 	wlc->wl = wl;
 	pub->unit = unit;
-	pub->osh = osh;
 	wlc->btparam = btparam;
 	pub->_piomode = piomode;
 	wlc->bandinit_pending = false;
diff --git a/drivers/staging/brcm80211/brcmsmac/wlc_main.h b/drivers/staging/brcm80211/brcmsmac/wlc_main.h
index b2b52d297502..7c5d7e1df07c 100644
--- a/drivers/staging/brcm80211/brcmsmac/wlc_main.h
+++ b/drivers/staging/brcm80211/brcmsmac/wlc_main.h
@@ -488,7 +488,6 @@ struct wlc_txq_info {
  */
 struct wlc_info {
 	struct wlc_pub *pub;		/* pointer to wlc public state */
-	struct osl_info *osh;		/* pointer to os handle */
 	struct wl_info *wl;	/* pointer to os-specific private state */
 	d11regs_t *regs;	/* pointer to device registers */
 
diff --git a/drivers/staging/brcm80211/brcmsmac/wlc_pub.h b/drivers/staging/brcm80211/brcmsmac/wlc_pub.h
index 0cd98910987a..5536f5111f48 100644
--- a/drivers/staging/brcm80211/brcmsmac/wlc_pub.h
+++ b/drivers/staging/brcm80211/brcmsmac/wlc_pub.h
@@ -241,7 +241,6 @@ struct wlc_pub {
 	uint mac80211_state;
 	uint unit;		/* device instance number */
 	uint corerev;		/* core revision */
-	struct osl_info *osh;		/* pointer to os handle */
 	si_t *sih;		/* SB handle (cookie for siutils calls) */
 	char *vars;		/* "environment" name=value */
 	bool up;		/* interface up and running */
@@ -480,8 +479,8 @@ extern const u8 wme_fifo2ac[];
 
 /* common functions for every port */
 extern void *wlc_attach(void *wl, u16 vendor, u16 device, uint unit,
-			bool piomode, struct osl_info *osh, void *regsva,
-			uint bustype, void *btparam, uint *perr);
+			bool piomode, void *regsva, uint bustype, void *btparam,
+			uint *perr);
 extern uint wlc_detach(struct wlc_info *wlc);
 extern int wlc_up(struct wlc_info *wlc);
 extern uint wlc_down(struct wlc_info *wlc);
diff --git a/drivers/staging/brcm80211/include/bcmsdh.h b/drivers/staging/brcm80211/include/bcmsdh.h
index d27d1cbb7f79..3b57dc13b1de 100644
--- a/drivers/staging/brcm80211/include/bcmsdh.h
+++ b/drivers/staging/brcm80211/include/bcmsdh.h
@@ -49,8 +49,7 @@ typedef void (*bcmsdh_cb_fn_t) (void *);
  *    implementation may maintain a single "default" handle (e.g. the first or
  *    most recent one) to enable single-instance implementations to pass NULL.
  */
-extern bcmsdh_info_t *bcmsdh_attach(struct osl_info *osh, void *cfghdl,
-				    void **regsva, uint irq);
+extern bcmsdh_info_t *bcmsdh_attach(void *cfghdl, void **regsva, uint irq);
 
 /* Detach - freeup resources allocated in attach */
 extern int bcmsdh_detach(void *sdh);
@@ -183,8 +182,7 @@ extern void *bcmsdh_get_sdioh(bcmsdh_info_t *sdh);
 typedef struct {
 	/* attach to device */
 	void *(*attach) (u16 vend_id, u16 dev_id, u16 bus, u16 slot,
-			 u16 func, uint bustype, void *regsva,
-			 struct osl_info *osh, void *param);
+			 u16 func, uint bustype, void *regsva, void *param);
 	/* detach from device */
 	void (*detach) (void *ch);
 } bcmsdh_driver_t;
diff --git a/drivers/staging/brcm80211/include/hnddma.h b/drivers/staging/brcm80211/include/hnddma.h
index 363898359d08..121768eccfea 100644
--- a/drivers/staging/brcm80211/include/hnddma.h
+++ b/drivers/staging/brcm80211/include/hnddma.h
@@ -148,8 +148,7 @@ struct hnddma_pub {
 	uint txnobuf;		/* tx out of dma descriptors */
 };
 
-extern struct hnddma_pub *dma_attach(struct osl_info *osh, char *name,
-			    si_t *sih,
+extern struct hnddma_pub *dma_attach(char *name, si_t *sih,
 			    void *dmaregstx, void *dmaregsrx, uint ntxd,
 			    uint nrxd, uint rxbufsize, int rxextheadroom,
 			    uint nrxpost, uint rxoffset, uint *msg_level);
diff --git a/drivers/staging/brcm80211/include/siutils.h b/drivers/staging/brcm80211/include/siutils.h
index a95e9255b47c..101e9a4f807d 100644
--- a/drivers/staging/brcm80211/include/siutils.h
+++ b/drivers/staging/brcm80211/include/siutils.h
@@ -328,9 +328,9 @@ 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, struct osl_info *osh, void *regs,
-		       uint bustype, void *sdh, char **vars, uint *varsz);
-extern si_t *ai_kattach(struct osl_info *osh);
+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);
diff --git a/drivers/staging/brcm80211/util/hnddma.c b/drivers/staging/brcm80211/util/hnddma.c
index c82de146f624..5508147ba965 100644
--- a/drivers/staging/brcm80211/util/hnddma.c
+++ b/drivers/staging/brcm80211/util/hnddma.c
@@ -80,7 +80,6 @@ typedef struct dma_info {
 	uint *msg_level;	/* message level pointer */
 	char name[MAXNAMEL];	/* callers name for diag msgs */
 
-	struct osl_info *osh;	/* os handle */
 	void *pbus;		/* bus handle */
 
 	bool dma64;		/* this dma engine is operating in 64-bit mode */
@@ -276,7 +275,7 @@ const di_fcn_t dma64proc = {
 	39
 };
 
-struct hnddma_pub *dma_attach(struct osl_info *osh, char *name, si_t *sih,
+struct hnddma_pub *dma_attach(char *name, si_t *sih,
 		     void *dmaregstx, void *dmaregsrx, uint ntxd,
 		     uint nrxd, uint rxbufsize, int rxextheadroom,
 		     uint nrxpost, uint rxoffset, uint *msg_level)
@@ -324,9 +323,9 @@ struct hnddma_pub *dma_attach(struct osl_info *osh, char *name, si_t *sih,
 	di->hnddma.di_fn->ctrlflags(&di->hnddma, DMA_CTRL_ROC | DMA_CTRL_PEN,
 				    0);
 
-	DMA_TRACE(("%s: dma_attach: %s osh %p flags 0x%x ntxd %d nrxd %d "
+	DMA_TRACE(("%s: dma_attach: %s flags 0x%x ntxd %d nrxd %d "
 		   "rxbufsize %d rxextheadroom %d nrxpost %d rxoffset %d "
-		   "dmaregstx %p dmaregsrx %p\n", name, "DMA64", osh,
+		   "dmaregstx %p dmaregsrx %p\n", name, "DMA64",
 		   di->hnddma.dmactrlflags, ntxd, nrxd, rxbufsize,
 		   rxextheadroom, nrxpost, rxoffset, dmaregstx, dmaregsrx));
 
@@ -334,7 +333,6 @@ struct hnddma_pub *dma_attach(struct osl_info *osh, char *name, si_t *sih,
 	strncpy(di->name, name, MAXNAMEL);
 	di->name[MAXNAMEL - 1] = '\0';
 
-	di->osh = osh;
 	di->pbus = ((struct si_info *)sih)->pbus;
 
 	/* save tunables */
-- 
2.20.1