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@xxxxxxxxx>
--- linux-wl.orig/drivers/net/wireless/libertas/assoc.c
+++ linux-wl/drivers/net/wireless/libertas/assoc.c
@@ -807,8 +807,7 @@ static int lbs_try_associate(struct lbs_
}
/* 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_pri
}
/* 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_pr
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_pr
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;
--- linux-wl.orig/drivers/net/wireless/libertas/cmd.c
+++ linux-wl/drivers/net/wireless/libertas/cmd.c
@@ -842,9 +842,6 @@ int lbs_set_radio(struct lbs_private *pr
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);
--- linux-wl.orig/drivers/net/wireless/libertas/main.c
+++ linux-wl/drivers/net/wireless/libertas/main.c
@@ -839,7 +839,6 @@ static int lbs_init_adapter(struct lbs_p
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;
--
http://www.holgerschurig.de
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