staging: r8188eu: remove rf_type from rtw_mcs_rate()

rf_type is always RF_1T1R. Remove it from rtw_mcs_rate() and remove
related dead code.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20211118215052.5215-1-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/r8188eu/core/rtw_ieee80211.c b/drivers/staging/r8188eu/core/rtw_ieee80211.c
index 343c2f9..ad87954 100644 (file)
--- a/drivers/staging/r8188eu/core/rtw_ieee80211.c
+++ b/drivers/staging/r8188eu/core/rtw_ieee80211.c
@@ -1160,63 +1160,26 @@ void rtw_get_bcn_info(struct wlan_network *pnetwork)
 }
 
 /* show MCS rate, unit: 100Kbps */
-u16 rtw_mcs_rate(u8 rf_type, u8 bw_40MHz, u8 short_GI_20, u8 short_GI_40, unsigned char *MCS_rate)
+u16 rtw_mcs_rate(u8 bw_40MHz, u8 short_GI_20, u8 short_GI_40, unsigned char *MCS_rate)
 {
        u16 max_rate = 0;
 
-       if (rf_type == RF_1T1R) {
-               if (MCS_rate[0] & BIT(7))
-                       max_rate = (bw_40MHz) ? ((short_GI_40) ? 1500 : 1350) : ((short_GI_20) ? 722 : 650);
-               else if (MCS_rate[0] & BIT(6))
-                       max_rate = (bw_40MHz) ? ((short_GI_40) ? 1350 : 1215) : ((short_GI_20) ? 650 : 585);
-               else if (MCS_rate[0] & BIT(5))
-                       max_rate = (bw_40MHz) ? ((short_GI_40) ? 1200 : 1080) : ((short_GI_20) ? 578 : 520);
-               else if (MCS_rate[0] & BIT(4))
-                       max_rate = (bw_40MHz) ? ((short_GI_40) ? 900 : 810) : ((short_GI_20) ? 433 : 390);
-               else if (MCS_rate[0] & BIT(3))
-                       max_rate = (bw_40MHz) ? ((short_GI_40) ? 600 : 540) : ((short_GI_20) ? 289 : 260);
-               else if (MCS_rate[0] & BIT(2))
-                       max_rate = (bw_40MHz) ? ((short_GI_40) ? 450 : 405) : ((short_GI_20) ? 217 : 195);
-               else if (MCS_rate[0] & BIT(1))
-                       max_rate = (bw_40MHz) ? ((short_GI_40) ? 300 : 270) : ((short_GI_20) ? 144 : 130);
-               else if (MCS_rate[0] & BIT(0))
-                       max_rate = (bw_40MHz) ? ((short_GI_40) ? 150 : 135) : ((short_GI_20) ? 72 : 65);
-       } else {
-               if (MCS_rate[1]) {
-                       if (MCS_rate[1] & BIT(7))
-                               max_rate = (bw_40MHz) ? ((short_GI_40) ? 3000 : 2700) : ((short_GI_20) ? 1444 : 1300);
-                       else if (MCS_rate[1] & BIT(6))
-                               max_rate = (bw_40MHz) ? ((short_GI_40) ? 2700 : 2430) : ((short_GI_20) ? 1300 : 1170);
-                       else if (MCS_rate[1] & BIT(5))
-                               max_rate = (bw_40MHz) ? ((short_GI_40) ? 2400 : 2160) : ((short_GI_20) ? 1156 : 1040);
-                       else if (MCS_rate[1] & BIT(4))
-                               max_rate = (bw_40MHz) ? ((short_GI_40) ? 1800 : 1620) : ((short_GI_20) ? 867 : 780);
-                       else if (MCS_rate[1] & BIT(3))
-                               max_rate = (bw_40MHz) ? ((short_GI_40) ? 1200 : 1080) : ((short_GI_20) ? 578 : 520);
-                       else if (MCS_rate[1] & BIT(2))
-                               max_rate = (bw_40MHz) ? ((short_GI_40) ? 900 : 810) : ((short_GI_20) ? 433 : 390);
-                       else if (MCS_rate[1] & BIT(1))
-                               max_rate = (bw_40MHz) ? ((short_GI_40) ? 600 : 540) : ((short_GI_20) ? 289 : 260);
-                       else if (MCS_rate[1] & BIT(0))
-                               max_rate = (bw_40MHz) ? ((short_GI_40) ? 300 : 270) : ((short_GI_20) ? 144 : 130);
-               } else {
-                       if (MCS_rate[0] & BIT(7))
-                               max_rate = (bw_40MHz) ? ((short_GI_40) ? 1500 : 1350) : ((short_GI_20) ? 722 : 650);
-                       else if (MCS_rate[0] & BIT(6))
-                               max_rate = (bw_40MHz) ? ((short_GI_40) ? 1350 : 1215) : ((short_GI_20) ? 650 : 585);
-                       else if (MCS_rate[0] & BIT(5))
-                               max_rate = (bw_40MHz) ? ((short_GI_40) ? 1200 : 1080) : ((short_GI_20) ? 578 : 520);
-                       else if (MCS_rate[0] & BIT(4))
-                               max_rate = (bw_40MHz) ? ((short_GI_40) ? 900 : 810) : ((short_GI_20) ? 433 : 390);
-                       else if (MCS_rate[0] & BIT(3))
-                               max_rate = (bw_40MHz) ? ((short_GI_40) ? 600 : 540) : ((short_GI_20) ? 289 : 260);
-                       else if (MCS_rate[0] & BIT(2))
-                               max_rate = (bw_40MHz) ? ((short_GI_40) ? 450 : 405) : ((short_GI_20) ? 217 : 195);
-                       else if (MCS_rate[0] & BIT(1))
-                               max_rate = (bw_40MHz) ? ((short_GI_40) ? 300 : 270) : ((short_GI_20) ? 144 : 130);
-                       else if (MCS_rate[0] & BIT(0))
-                               max_rate = (bw_40MHz) ? ((short_GI_40) ? 150 : 135) : ((short_GI_20) ? 72 : 65);
-               }
-       }
+       if (MCS_rate[0] & BIT(7))
+               max_rate = (bw_40MHz) ? ((short_GI_40) ? 1500 : 1350) : ((short_GI_20) ? 722 : 650);
+       else if (MCS_rate[0] & BIT(6))
+               max_rate = (bw_40MHz) ? ((short_GI_40) ? 1350 : 1215) : ((short_GI_20) ? 650 : 585);
+       else if (MCS_rate[0] & BIT(5))
+               max_rate = (bw_40MHz) ? ((short_GI_40) ? 1200 : 1080) : ((short_GI_20) ? 578 : 520);
+       else if (MCS_rate[0] & BIT(4))
+               max_rate = (bw_40MHz) ? ((short_GI_40) ? 900 : 810) : ((short_GI_20) ? 433 : 390);
+       else if (MCS_rate[0] & BIT(3))
+               max_rate = (bw_40MHz) ? ((short_GI_40) ? 600 : 540) : ((short_GI_20) ? 289 : 260);
+       else if (MCS_rate[0] & BIT(2))
+               max_rate = (bw_40MHz) ? ((short_GI_40) ? 450 : 405) : ((short_GI_20) ? 217 : 195);
+       else if (MCS_rate[0] & BIT(1))
+               max_rate = (bw_40MHz) ? ((short_GI_40) ? 300 : 270) : ((short_GI_20) ? 144 : 130);
+       else if (MCS_rate[0] & BIT(0))
+               max_rate = (bw_40MHz) ? ((short_GI_40) ? 150 : 135) : ((short_GI_20) ? 72 : 65);
+
        return max_rate;
 }

diff --git a/drivers/staging/r8188eu/core/rtw_ioctl_set.c b/drivers/staging/r8188eu/core/rtw_ioctl_set.c
index 411b06e..84c320d 100644 (file)
--- a/drivers/staging/r8188eu/core/rtw_ioctl_set.c
+++ b/drivers/staging/r8188eu/core/rtw_ioctl_set.c
@@ -458,7 +458,6 @@ u16 rtw_get_cur_max_rate(struct adapter *adapter)
        struct mlme_priv        *pmlmepriv = &adapter->mlmepriv;
        struct wlan_bssid_ex  *pcur_bss = &pmlmepriv->cur_network.network;
        struct ieee80211_ht_cap *pht_capie;
-       u8      rf_type = 0;
        u8      bw_40MHz = 0, short_GI_20 = 0, short_GI_40 = 0;
        u16     mcs_rate = 0;
        u32     ht_ielen = 0;
@@ -480,14 +479,10 @@ u16 rtw_get_cur_max_rate(struct adapter *adapter)
                        short_GI_20 = (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) & IEEE80211_HT_CAP_SGI_20) ? 1 : 0;
                        short_GI_40 = (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) & IEEE80211_HT_CAP_SGI_40) ? 1 : 0;
 
-                       GetHwReg8188EU(adapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
-                       max_rate = rtw_mcs_rate(
-                               rf_type,
-                               bw_40MHz & (pregistrypriv->cbw40_enable),
-                               short_GI_20,
-                               short_GI_40,
-                               pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate
-                       );
+                       max_rate = rtw_mcs_rate(bw_40MHz & (pregistrypriv->cbw40_enable),
+                                               short_GI_20,
+                                               short_GI_40,
+                                               pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate);
                }
        } else {
                while ((pcur_bss->SupportedRates[i] != 0) && (pcur_bss->SupportedRates[i] != 0xFF)) {

diff --git a/drivers/staging/r8188eu/include/ieee80211.h b/drivers/staging/r8188eu/include/ieee80211.h
index 6c8206b..3a23d52 100644 (file)
--- a/drivers/staging/r8188eu/include/ieee80211.h
+++ b/drivers/staging/r8188eu/include/ieee80211.h
@@ -1149,7 +1149,6 @@ void rtw_get_bcn_info(struct wlan_network *pnetwork);
 
 void rtw_macaddr_cfg(u8 *mac_addr);
 
-u16 rtw_mcs_rate(u8 rf_type, u8 bw_40MHz, u8 short_GI_20, u8 short_GI_40,
-                unsigned char *MCS_rate);
+u16 rtw_mcs_rate(u8 bw_40MHz, u8 short_GI_20, u8 short_GI_40, unsigned char *MCS_rate);
 
 #endif /* IEEE80211_H */