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staging: brcm80211: Fix for suspend issue in brcmfmac driver

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Issue with disconnect at the time of suspend is fixed by properly setting
connection status bits maintained by brcmfmac driver.

Signed-off-by: Sukesh Srikakula <sukeshs@broadcom.com>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Reviewed-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Sukesh Srikakula
2011-06-09 16:44:51 +02:00
committed by Greg Kroah-Hartman
parent c4daa849f3
commit f212595d5e
1 changed files with 24 additions and 8 deletions
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32
drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c
View File

@@ -2110,8 +2110,9 @@ static s32 wl_cfg80211_suspend(struct wiphy *wiphy)
* While going to suspend if associated with AP disassociate
* from AP to save power while system is in suspended state
*/
if (test_bit(WL_STATUS_CONNECTED, &wl->status) &&
test_bit(WL_STATUS_READY, &wl->status)) {
if ((test_bit(WL_STATUS_CONNECTED, &wl->status) ||
test_bit(WL_STATUS_CONNECTING, &wl->status)) &&
test_bit(WL_STATUS_READY, &wl->status)) {
WL_INFO("Disassociating from AP"
" while entering suspend state\n");
wl_link_down(wl);
@@ -2138,8 +2139,6 @@ static s32 wl_cfg80211_suspend(struct wiphy *wiphy)
}
clear_bit(WL_STATUS_SCANNING, &wl->status);
clear_bit(WL_STATUS_SCAN_ABORTING, &wl->status);
clear_bit(WL_STATUS_CONNECTING, &wl->status);
clear_bit(WL_STATUS_CONNECTED, &wl->status);
/* Inform SDIO stack not to switch off power to the chip */
sdioh_sdio_set_host_pm_flags(MMC_PM_KEEP_POWER);
@@ -2620,10 +2619,12 @@ wl_notify_connect_status(struct wl_priv *wl, struct net_device *ndev,
} else if (wl_is_linkdown(wl, e)) {
WL_CONN("Linkdown\n");
if (wl_is_ibssmode(wl)) {
clear_bit(WL_STATUS_CONNECTING, &wl->status);
if (test_and_clear_bit(WL_STATUS_CONNECTED,
&wl->status))
wl_link_down(wl);
} else {
wl_bss_connect_done(wl, ndev, e, data, false);
if (test_and_clear_bit(WL_STATUS_CONNECTED,
&wl->status)) {
cfg80211_disconnected(ndev, 0, NULL, 0,
@@ -4099,6 +4100,25 @@ static s32 __wl_cfg80211_up(struct wl_priv *wl)
static s32 __wl_cfg80211_down(struct wl_priv *wl)
{
/*
* While going down, if associated with AP disassociate
* from AP to save power
*/
if ((test_bit(WL_STATUS_CONNECTED, &wl->status) ||
test_bit(WL_STATUS_CONNECTING, &wl->status)) &&
test_bit(WL_STATUS_READY, &wl->status)) {
WL_INFO("Disassociating from AP");
wl_link_down(wl);
/* Make sure WPA_Supplicant receives all the event
generated due to DISASSOC call to the fw to keep
the state fw and WPA_Supplicant state consistent
*/
rtnl_unlock();
wl_delay(500);
rtnl_lock();
}
set_bit(WL_STATUS_SCAN_ABORTING, &wl->status);
wl_term_iscan(wl);
if (wl->scan_request) {
@@ -4110,8 +4130,6 @@ static s32 __wl_cfg80211_down(struct wl_priv *wl)
clear_bit(WL_STATUS_READY, &wl->status);
clear_bit(WL_STATUS_SCANNING, &wl->status);
clear_bit(WL_STATUS_SCAN_ABORTING, &wl->status);
clear_bit(WL_STATUS_CONNECTING, &wl->status);
clear_bit(WL_STATUS_CONNECTED, &wl->status);
wl_debugfs_remove_netdev(wl);
@@ -4230,14 +4248,12 @@ static __used s32 wl_add_ie(struct wl_priv *wl, u8 t, u8 l, u8 *v)
return err;
}
static void wl_link_down(struct wl_priv *wl)
{
struct net_device *dev = NULL;
s32 err = 0;
WL_TRACE("Enter\n");
clear_bit(WL_STATUS_CONNECTED, &wl->status);
if (wl->link_up) {
dev = wl_to_ndev(wl);