From 93ed8e35e2f7e4951e0ddb75acf9cad60e43f91b Mon Sep 17 00:00:00 2001 From: Arend van Spriel Date: Fri, 21 Jan 2011 11:20:15 +0100 Subject: [PATCH] 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 Reviewed-by: Henry Ptasinski Reviewed-by: Roland Vossen Signed-off-by: Arend van Spriel Signed-off-by: Greg Kroah-Hartman --- drivers/staging/brcm80211/brcmsmac/wlc_stf.c | 70 -------------------- drivers/staging/brcm80211/brcmsmac/wlc_stf.h | 1 - 2 files changed, 71 deletions(-) diff --git a/drivers/staging/brcm80211/brcmsmac/wlc_stf.c b/drivers/staging/brcm80211/brcmsmac/wlc_stf.c index 10c9f447cdf0..a1a1767f1d3a 100644 --- 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 8de6382e620d..e127862c4449 100644 --- 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); -- 2.34.1