libertas: remove priv->capability

This variable was once set to WLAN_CAPABILITY_SHORT_PREAMBLE and
there's no code that could change the variable to something else.
Therefore it seems this is not necessary :-)

Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/libertas/assoc.c b/drivers/net/wireless/libertas/assoc.c
index 7510673..5f58ae3 100644 (file)
--- a/drivers/net/wireless/libertas/assoc.c
+++ b/drivers/net/wireless/libertas/assoc.c
@@ -807,8 +807,7 @@ static int lbs_try_associate(struct lbs_private *priv,
        }
 
        /* Use short preamble only when both the BSS and firmware support it */
-       if ((priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) &&
-           (assoc_req->bss.capability & WLAN_CAPABILITY_SHORT_PREAMBLE))
+       if (assoc_req->bss.capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
                preamble = RADIO_PREAMBLE_SHORT;
 
        ret = lbs_set_radio(priv, preamble, 1);
@@ -939,8 +938,7 @@ static int lbs_adhoc_join(struct lbs_private *priv,
        }
 
        /* Use short preamble only when both the BSS and firmware support it */
-       if ((priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) &&
-           (bss->capability & WLAN_CAPABILITY_SHORT_PREAMBLE)) {
+       if (bss->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) {
                lbs_deb_join("AdhocJoin: Short preamble\n");
                preamble = RADIO_PREAMBLE_SHORT;
        }
@@ -1049,7 +1047,7 @@ static int lbs_adhoc_start(struct lbs_private *priv,
        struct assoc_request *assoc_req)
 {
        struct cmd_ds_802_11_ad_hoc_start cmd;
-       u8 preamble = RADIO_PREAMBLE_LONG;
+       u8 preamble = RADIO_PREAMBLE_SHORT;
        size_t ratesize = 0;
        u16 tmpcap = 0;
        int ret = 0;
@@ -1057,11 +1055,6 @@ static int lbs_adhoc_start(struct lbs_private *priv,
 
        lbs_deb_enter(LBS_DEB_ASSOC);
 
-       if (priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) {
-               lbs_deb_join("ADHOC_START: Will use short preamble\n");
-               preamble = RADIO_PREAMBLE_SHORT;
-       }
-
        ret = lbs_set_radio(priv, preamble, 1);
        if (ret)
                goto out;

diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index 4a0d8f4..42051f7 100644 (file)
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -842,9 +842,6 @@ int lbs_set_radio(struct lbs_private *priv, u8 preamble, u8 radio_on)
        if (priv->fwrelease < 0x09000000) {
                switch (preamble) {
                case RADIO_PREAMBLE_SHORT:
-                       if (!(priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE))
-                               goto out;
-                       /* Fall through */
                case RADIO_PREAMBLE_AUTO:
                case RADIO_PREAMBLE_LONG:
                        cmd.control = cpu_to_le16(preamble);

diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
index 7330ab8..cf47cf5 100644 (file)
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -175,7 +175,6 @@ struct lbs_private {
        struct bss_descriptor *networks;
        struct assoc_request * pending_assoc_req;
        struct assoc_request * in_progress_assoc_req;
-       u16 capability;
        uint16_t enablehwauto;
        uint16_t ratebitmap;
 

diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index 64b327d..f9f195f 100644 (file)
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -839,7 +839,6 @@ static int lbs_init_adapter(struct lbs_private *priv)
        priv->mac_control = CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON;
        priv->radio_on = 1;
        priv->enablehwauto = 1;
-       priv->capability = WLAN_CAPABILITY_SHORT_PREAMBLE;
        priv->psmode = LBS802_11POWERMODECAM;
        priv->psstate = PS_STATE_FULL_POWER;
        priv->is_deep_sleep = 0;