brcm80211: fmac: change function bus_stop parameter

Change parameter to device pointer for bus layer interface function
brcmf_sdbrcm_bus_stop. 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>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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

@@ -28,7 +28,7 @@
  */
 
 /* Stop bus module: clear pending frames, disable data flow */
-extern void brcmf_sdbrcm_bus_stop(struct brcmf_sdio *bus);
+extern void brcmf_sdbrcm_bus_stop(struct device *dev);
 
 /* Initialize bus module: prepare for communication w/dongle */
 extern int brcmf_sdbrcm_bus_init(struct device *dev);

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

@@ -1115,7 +1115,7 @@ static void brcmf_bus_detach(struct brcmf_pub *drvr)
 			brcmf_proto_stop(&drvr_priv->pub);
 
 			/* Stop the bus module */
-			brcmf_sdbrcm_bus_stop(drvr_priv->pub.bus);
+			brcmf_sdbrcm_bus_stop(drvr_priv->pub.dev);
 		}
 	}
 }

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

@@ -2555,7 +2555,7 @@ static int brcmf_sdbrcm_dpc_thread(void *data)
 					complete(&bus->dpc_wait);
 			} else {
 				/* after stopping the bus, exit thread */
-				brcmf_sdbrcm_bus_stop(bus);
+				brcmf_sdbrcm_bus_stop(bus->sdiodev->dev);
 				bus->dpc_tsk = NULL;
 				break;
 			}
@@ -3330,12 +3330,15 @@ brcmf_sdbrcm_download_firmware(struct brcmf_sdio *bus)
 	return ret;
 }
 
-void brcmf_sdbrcm_bus_stop(struct brcmf_sdio *bus)
+void brcmf_sdbrcm_bus_stop(struct device *dev)
 {
 	u32 local_hostintmask;
 	u8 saveclk;
 	uint retries;
 	int err;
+	struct brcmf_bus *bus_if = dev_get_drvdata(dev);
+	struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv;
+	struct brcmf_sdio *bus = sdiodev->bus;
 
 	brcmf_dbg(TRACE, "Enter\n");