brcmfmac: Fix suspend/resume

drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c

 /*
  * 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
@@ skipping 23 matching lines @@
 #include <linux/etherdevice.h>
 #include <linux/wireless.h>
 #include <linux/ieee80211.h>
 #include <net/cfg80211.h>
 
 #include <net/rtnetlink.h>
 #include <linux/mmc/sdio_func.h>
 #include <linux/firmware.h>
 #include <wl_cfg80211.h>
 
+void sdioh_sdio_set_host_pm_flags(int flag);
+
 static struct sdio_func *cfg80211_sdio_func;
 static struct wl_dev *wl_cfg80211_dev;
 static const u8 ether_bcast[ETH_ALEN] = {255, 255, 255, 255, 255, 255};
 
 u32 wl_dbg_level = WL_DBG_ERR | WL_DBG_INFO;
 
 #define WL_4329_FW_FILE "brcm/bcm4329-fullmac-4.bin"
 #define WL_4329_NVRAM_FILE "brcm/bcm4329-fullmac-4.txt"
 
 /*
@@ skipping 1918 matching lines @@
 
         return err;
 }
 
 static s32 wl_cfg80211_suspend(struct wiphy *wiphy)
 {
         struct wl_priv *wl = wiphy_to_wl(wiphy);
         struct net_device *ndev = wl_to_ndev(wl);
         s32 err = 0;
 
-        CHECK_SYS_UP();
-
         set_bit(WL_STATUS_SCAN_ABORTING, &wl->status);
         wl_term_iscan(wl);
         if (wl->scan_request) {
                 cfg80211_scan_done(wl->scan_request, true);     /* true means
                                                                  abort */
                 wl_set_mpc(ndev, 1);
                 wl->scan_request = NULL;
         }
         clear_bit(WL_STATUS_SCANNING, &wl->status);
         clear_bit(WL_STATUS_SCAN_ABORTING, &wl->status);
 
+        sdioh_sdio_set_host_pm_flags(MMC_PM_KEEP_POWER);
+
         return err;
 }
 
 static __used s32
 wl_update_pmklist(struct net_device *dev, struct wl_pmk_list *pmk_list,
                   s32 err)
 {
         int i, j;
 
         WL_DBG("No of elements %d\n", pmk_list->pmkids.npmkid);
@@ skipping 2208 matching lines @@
 
 err_out:
         return err;
 }
 
 static void wl_debugfs_remove_netdev(struct wl_priv *wl)
 {
         debugfs_remove_recursive(wl->debugfsdir);
         wl->debugfsdir = NULL;
 }