staging: brcm80211: remove unused function from wlc_stf.c

Working through a list of unused functions in the driver tree.
This file has following redundant function(s):

wlc_stf_stbc_rx_get
wlc_stf_rxchain_set

Reviewed-by: Brett Rudley <brudley@broadcom.com>
Reviewed-by: Henry Ptasinski <henryp@broadcom.com>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/brcm80211/brcmsmac/wlc_stf.c b/drivers/staging/brcm80211/brcmsmac/wlc_stf.c
index 10c9f44..a1a1767 100644 (file)
--- a/drivers/staging/brcm80211/brcmsmac/wlc_stf.c
+++ b/drivers/staging/brcm80211/brcmsmac/wlc_stf.c
@@ -44,7 +44,6 @@
 #define WLC_STF_SS_STBC_RX(wlc) (WLCISNPHY(wlc->band) && \
        NREV_GT(wlc->band->phyrev, 3) && NREV_LE(wlc->band->phyrev, 6))
 
-static s8 wlc_stf_stbc_rx_get(struct wlc_info *wlc);
 static bool wlc_stf_stbc_tx_set(struct wlc_info *wlc, s32 int_val);
 static int wlc_stf_txcore_set(struct wlc_info *wlc, u8 Nsts, u8 val);
 static int wlc_stf_spatial_policy_set(struct wlc_info *wlc, int val);
@@ -151,12 +150,6 @@ wlc_stf_ss_algo_channel_get(struct wlc_info *wlc, u16 *ss_algo_channel,
                setbit(ss_algo_channel, PHY_TXC1_MODE_STBC);
 }
 
-static s8 wlc_stf_stbc_rx_get(struct wlc_info *wlc)
-{
-       return (wlc->ht_cap.cap_info & HT_CAP_RX_STBC_MASK)
-               >> HT_CAP_RX_STBC_SHIFT;
-}
-
 static bool wlc_stf_stbc_tx_set(struct wlc_info *wlc, s32 int_val)
 {
        if ((int_val != AUTO) && (int_val != OFF) && (int_val != ON)) {
@@ -310,69 +303,6 @@ int wlc_stf_txchain_set(struct wlc_info *wlc, s32 int_val, bool force)
        return BCME_OK;
 }
 
-int wlc_stf_rxchain_set(struct wlc_info *wlc, s32 int_val)
-{
-       u8 rxchain_cnt;
-       u8 rxchain = (u8) int_val;
-       u8 mimops_mode;
-       u8 old_rxchain, old_rxchain_cnt;
-
-       if (wlc->stf->rxchain == rxchain)
-               return BCME_OK;
-
-       if ((rxchain & ~wlc->stf->hw_rxchain)
-           || !(rxchain & wlc->stf->hw_rxchain))
-               return BCME_RANGE;
-
-       rxchain_cnt = (u8) WLC_BITSCNT(rxchain);
-       if (WLC_STF_SS_STBC_RX(wlc)) {
-               if ((rxchain_cnt == 1)
-                   && (wlc_stf_stbc_rx_get(wlc) != HT_CAP_RX_STBC_NO))
-                       return BCME_RANGE;
-       }
-
-       if (APSTA_ENAB(wlc->pub) && (wlc->pub->associated))
-               return BCME_ASSOCIATED;
-
-       old_rxchain = wlc->stf->rxchain;
-       old_rxchain_cnt = wlc->stf->rxstreams;
-
-       wlc->stf->rxchain = rxchain;
-       wlc->stf->rxstreams = rxchain_cnt;
-
-       if (rxchain_cnt != old_rxchain_cnt) {
-               mimops_mode =
-                   (rxchain_cnt == 1) ? HT_CAP_MIMO_PS_ON : HT_CAP_MIMO_PS_OFF;
-               wlc->mimops_PM = mimops_mode;
-               if (AP_ENAB(wlc->pub)) {
-                       wlc_phy_stf_chain_set(wlc->band->pi, wlc->stf->txchain,
-                                             wlc->stf->rxchain);
-                       wlc_ht_mimops_cap_update(wlc, mimops_mode);
-                       if (wlc->pub->associated)
-                               wlc_mimops_action_ht_send(wlc, wlc->cfg,
-                                                         mimops_mode);
-                       return BCME_OK;
-               }
-               if (wlc->pub->associated) {
-                       if (mimops_mode == HT_CAP_MIMO_PS_OFF) {
-                               /* if mimops is off, turn on the Rx chain first */
-                               wlc_phy_stf_chain_set(wlc->band->pi,
-                                                     wlc->stf->txchain,
-                                                     wlc->stf->rxchain);
-                               wlc_ht_mimops_cap_update(wlc, mimops_mode);
-                       }
-               } else {
-                       wlc_phy_stf_chain_set(wlc->band->pi, wlc->stf->txchain,
-                                             wlc->stf->rxchain);
-                       wlc_ht_mimops_cap_update(wlc, mimops_mode);
-               }
-       } else if (old_rxchain != rxchain)
-               wlc_phy_stf_chain_set(wlc->band->pi, wlc->stf->txchain,
-                                     wlc->stf->rxchain);
-
-       return BCME_OK;
-}
-
 /* update wlc->stf->ss_opmode which represents the operational stf_ss mode we're using */
 int wlc_stf_ss_update(struct wlc_info *wlc, struct wlcband *band)
 {

diff --git a/drivers/staging/brcm80211/brcmsmac/wlc_stf.h b/drivers/staging/brcm80211/brcmsmac/wlc_stf.h
index 8de6382..e127862 100644 (file)
--- a/drivers/staging/brcm80211/brcmsmac/wlc_stf.h
+++ b/drivers/staging/brcm80211/brcmsmac/wlc_stf.h
@@ -30,7 +30,6 @@ extern void wlc_stf_ss_algo_channel_get(struct wlc_info *wlc,
 extern int wlc_stf_ss_update(struct wlc_info *wlc, struct wlcband *band);
 extern void wlc_stf_phy_txant_upd(struct wlc_info *wlc);
 extern int wlc_stf_txchain_set(struct wlc_info *wlc, s32 int_val, bool force);
-extern int wlc_stf_rxchain_set(struct wlc_info *wlc, s32 int_val);
 extern bool wlc_stf_stbc_rx_set(struct wlc_info *wlc, s32 int_val);
 
 extern int wlc_stf_ant_txant_validate(struct wlc_info *wlc, s8 val);