brcm80211: fmac: change function brcmf_detach parameter

Change parameter to device pointer for bus layer interface function
brcmf_detach. This is part of the fullmac bus interface refactoring.
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Reviewed-by: Alwin Beukers <alwin@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/brcm80211/brcmfmac/dhd.h

@@ -703,7 +703,7 @@ extern int brcmf_netdev_wait_pend8021x(struct net_device *ndev);
 extern s32 brcmf_exec_dcmd(struct net_device *dev, u32 cmd, void *arg, u32 len);
 
 /* Indication from bus module regarding removal/absence of dongle */
-extern void brcmf_detach(struct brcmf_pub *drvr);
+extern void brcmf_detach(struct device *dev);
 
 /* Indication from bus module to change flow-control state */
 extern void brcmf_txflowcontrol(struct brcmf_pub *drvr, int ifidx, bool on);

drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c

@@ -955,7 +955,7 @@ struct brcmf_pub *brcmf_attach(struct brcmf_sdio *bus, uint bus_hdrlen,
 
 fail:
 	if (drvr)
-		brcmf_detach(drvr);
+		brcmf_detach(dev);
 
 	return NULL;
 }
@@ -1093,12 +1093,14 @@ static void brcmf_bus_detach(struct brcmf_pub *drvr)
 	}
 }
 
-void brcmf_detach(struct brcmf_pub *drvr)
+void brcmf_detach(struct device *dev)
 {
+	int i;
+	struct brcmf_bus *bus_if = dev_get_drvdata(dev);
+	struct brcmf_pub *drvr = bus_if->drvr;
+
 	brcmf_dbg(TRACE, "Enter\n");
 
-	if (drvr) {
-		int i;
 
 	/* make sure primary interface removed last */
 	for (i = BRCMF_MAX_IFS-1; i > -1; i--)
@@ -1113,9 +1115,8 @@ void brcmf_detach(struct brcmf_pub *drvr)
 	if (drvr->prot)
 		brcmf_proto_detach(drvr);
 
-		drvr->bus_if->drvr = NULL;
+	bus_if->drvr = NULL;
 	kfree(drvr);
-	}
 }
 
 static int brcmf_get_pend_8021x_cnt(struct brcmf_pub *drvr)

drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c

@@ -3865,8 +3865,8 @@ static void brcmf_sdbrcm_release(struct brcmf_sdio *bus)
 		/* De-register interrupt handler */
 		brcmf_sdcard_intr_dereg(bus->sdiodev);
 
-		if (bus->drvr) {
-			brcmf_detach(bus->drvr);
+		if (bus->sdiodev->bus_if->drvr) {
+			brcmf_detach(bus->sdiodev->dev);
 			brcmf_sdbrcm_release_dongle(bus);
 			bus->drvr = NULL;
 		}