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Date: Thu, 18 Nov 2021 22:50:52 +0100
From: Michael Straube <straube.linux@...il.com>
To: gregkh@...uxfoundation.org
Cc: Larry.Finger@...inger.net, phil@...lpotter.co.uk,
linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
Michael Straube <straube.linux@...il.com>
Subject: [PATCH] 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@...il.com>
---
drivers/staging/r8188eu/core/rtw_ieee80211.c | 73 +++++---------------
drivers/staging/r8188eu/core/rtw_ioctl_set.c | 13 ++--
drivers/staging/r8188eu/include/ieee80211.h | 3 +-
3 files changed, 23 insertions(+), 66 deletions(-)
diff --git a/drivers/staging/r8188eu/core/rtw_ieee80211.c b/drivers/staging/r8188eu/core/rtw_ieee80211.c
index 343c2f9a4ce8..ad87954bdeb4 100644
--- 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 411b06e135be..84c320d4a478 100644
--- 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 6c8206bd5466..3a23d5299314 100644
--- 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 */
--
2.33.1
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