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authorArend van Spriel <arend@broadcom.com>2013-04-03 12:40:48 +0200
committerJohn W. Linville <linville@tuxdriver.com>2013-04-03 15:07:08 -0400
commit47829f4fc4825ad3a50389a682a6ea954664ba79 (patch)
tree78d1df7bc78e8145b32ebff14b461745fd558aba /drivers/net/wireless/brcm80211
parentd9337414e87259fae13693796f7ad897b1b7f8e1 (diff)
brcmfmac: only allocate firmware-signalling resources if required
Bail out of brcmf_fws_init() when no firmware-signalling is asked for. Need to take this into account in brcmf_fws_deinit() as well. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Piotr Haber <phaber@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/brcm80211')
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c3
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c14
2 files changed, 10 insertions, 7 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
index d37620e93e61..c82f3e0b66f9 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
@@ -982,8 +982,7 @@ void brcmf_detach(struct device *dev)
if (drvr->prot)
brcmf_proto_detach(drvr);
- if (drvr->fws)
- brcmf_fws_deinit(drvr);
+ brcmf_fws_deinit(drvr);
brcmf_debugfs_detach(drvr);
bus_if->drvr = NULL;
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c
index 8b09973309c9..430baa249465 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c
@@ -1224,11 +1224,12 @@ int brcmf_fws_init(struct brcmf_pub *drvr)
u32 tlv = 0;
int rc;
- /* enable rssi signals */
- if (drvr->fw_signals)
- tlv = BRCMF_FWS_FLAGS_RSSI_SIGNALS |
- BRCMF_FWS_FLAGS_XONXOFF_SIGNALS |
- BRCMF_FWS_FLAGS_CREDIT_STATUS_SIGNALS;
+ if (!drvr->fw_signals)
+ return 0;
+
+ tlv = BRCMF_FWS_FLAGS_RSSI_SIGNALS |
+ BRCMF_FWS_FLAGS_XONXOFF_SIGNALS |
+ BRCMF_FWS_FLAGS_CREDIT_STATUS_SIGNALS;
spin_lock_init(&drvr->fws_spinlock);
@@ -1277,6 +1278,9 @@ void brcmf_fws_deinit(struct brcmf_pub *drvr)
struct brcmf_fws_info *fws = drvr->fws;
ulong flags;
+ if (!fws)
+ return;
+
/* cleanup */
brcmf_fws_lock(drvr, flags);
brcmf_fws_cleanup(fws, -1);