staging: brcm80211: removed unused softmac mimo disable code

No element in array locale_bn[] has the 'no mimo' flag bit set.

Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/brcm80211/brcmsmac/channel.c b/drivers/staging/brcm80211/brcmsmac/channel.c
index 02bb795..7fe005a 100644 (file)
--- a/drivers/staging/brcm80211/brcmsmac/channel.c
+++ b/drivers/staging/brcm80211/brcmsmac/channel.c
@@ -987,7 +987,6 @@ brcms_c_set_country_common(struct brcms_cm_info *wlc_cm,
                       const char *ccode, uint regrev,
                       const struct country_info *country)
 {
-       const struct locale_mimo_info *li_mimo;
        const struct locale_info *locale;
        struct brcms_c_info *wlc = wlc_cm->wlc;
        char prev_country_abbrev[BRCM_CNTRY_BUF_SZ];
@@ -1003,17 +1002,9 @@ brcms_c_set_country_common(struct brcms_cm_info *wlc_cm,
        strncpy(wlc_cm->ccode, ccode, BRCM_CNTRY_BUF_SZ - 1);
        wlc_cm->regrev = regrev;
 
-       /* disable/restore nmode based on country regulations */
-       li_mimo = brcms_c_get_mimo_2g(country->locale_mimo_2G);
-       if (li_mimo && (li_mimo->flags & BRCMS_NO_MIMO)) {
-               brcms_c_set_nmode(wlc, OFF);
-               wlc->stf->no_cddstbc = true;
-       } else {
-               wlc->stf->no_cddstbc = false;
-               if ((wlc->pub->_n_enab & SUPPORT_11N) !=
-                   wlc->protection->nmode_user)
-                       brcms_c_set_nmode(wlc, wlc->protection->nmode_user);
-       }
+       if ((wlc->pub->_n_enab & SUPPORT_11N) !=
+           wlc->protection->nmode_user)
+               brcms_c_set_nmode(wlc, wlc->protection->nmode_user);
 
        brcms_c_stf_ss_update(wlc, wlc->bandstate[BAND_2G_INDEX]);
        brcms_c_stf_ss_update(wlc, wlc->bandstate[BAND_5G_INDEX]);

diff --git a/drivers/staging/brcm80211/brcmsmac/main.h b/drivers/staging/brcm80211/brcmsmac/main.h
index 045356a..8815042 100644 (file)
--- a/drivers/staging/brcm80211/brcmsmac/main.h
+++ b/drivers/staging/brcm80211/brcmsmac/main.h
@@ -194,7 +194,6 @@ struct brcms_protection {
  * ss_algosel_auto: if true, use wlc->stf->ss_algo_channel;
  *                     else use wlc->band->stf->ss_mode_band.
  * ss_algo_channel: ss based on per-channel algo: 0: SISO, 1: CDD 2: STBC.
- * no_cddstbc: stf override, 1: no CDD (or STBC) allowed.
  * rxchain_restore_delay: delay time to restore default rxchain.
  * ldpc: AUTO/ON/OFF ldpc cap supported.
  * txcore[MAX_STREAMS_SUPPORTED + 1]: bitmap of selected core for each Nsts.
@@ -213,7 +212,6 @@ struct brcms_stf {
        u8 ss_opmode;
        bool ss_algosel_auto;
        u16 ss_algo_channel;
-       u8 no_cddstbc;
        u8 rxchain_restore_delay;
        s8 ldpc;
        u8 txcore[MAX_STREAMS_SUPPORTED + 1];

diff --git a/drivers/staging/brcm80211/brcmsmac/stf.c b/drivers/staging/brcm80211/brcmsmac/stf.c
index c77bab2..ba3c3ef 100644 (file)
--- a/drivers/staging/brcm80211/brcmsmac/stf.c
+++ b/drivers/staging/brcm80211/brcmsmac/stf.c
@@ -319,17 +319,15 @@ int brcms_c_stf_ss_update(struct brcms_c_info *wlc, struct brcms_band *band)
        if (BRCMS_STBC_CAP_PHY(wlc) &&
            wlc->stf->ss_algosel_auto
            && (wlc->stf->ss_algo_channel != (u16) -1)) {
-               upd_stf_ss = (wlc->stf->no_cddstbc || (wlc->stf->txstreams == 1)
-                             || isset(&wlc->stf->ss_algo_channel,
-                                      PHY_TXC1_MODE_SISO)) ? PHY_TXC1_MODE_SISO
-                   : PHY_TXC1_MODE_CDD;
+               upd_stf_ss = (wlc->stf->txstreams == 1 ||
+                             isset(&wlc->stf->ss_algo_channel,
+                                   PHY_TXC1_MODE_SISO)) ?
+                                   PHY_TXC1_MODE_SISO : PHY_TXC1_MODE_CDD;
        } else {
                if (wlc->band != band)
                        return ret_code;
-               upd_stf_ss = (wlc->stf->no_cddstbc
-                             || (wlc->stf->txstreams ==
-                                 1)) ? PHY_TXC1_MODE_SISO : band->
-                   band_stf_ss_mode;
+               upd_stf_ss = (wlc->stf->txstreams == 1) ?
+                               PHY_TXC1_MODE_SISO : band->band_stf_ss_mode;
        }
        if (prev_stf_ss != upd_stf_ss) {
                wlc->stf->ss_opmode = upd_stf_ss;