diff options
| author | Bitterblue Smith <rtl8821cerfe2@gmail.com> | 2024-02-13 17:33:02 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@kernel.org> | 2024-02-15 14:10:47 +0300 |
| commit | bcfcbf23a98ca19ba5931914801b5939e0d17bda (patch) | |
| tree | 3ab811846aeaf6d120ef6f5860f09fefdf1bc055 /drivers/net/wireless/realtek/rtlwifi | |
| parent | 63d94f7496233600186303f1eee000ab2ffc920a (diff) | |
| download | linux-bcfcbf23a98ca19ba5931914801b5939e0d17bda.tar.xz | |
wifi: rtlwifi: rtl8192cu: Fix 2T2R chip type detection
rtl8192cu handles 1T1R devices (RTL8188CUS), 1T2R devices (RTL8191CU),
and 2T2R devices (RTL8192CU). The 2T2R devices were incorrectly detected
as 1T2R because of a mistake in the IS_92C_1T2R macro.
The visible effect of this is that the firmware was allowed to use
TX rates only up to MCS7.
Fix the IS_92C_1T2R macro.
Now my 2T2R device has much better upload speed.
Before: 46 Mbps.
After: 82 Mbps.
Also fix a debug message which was printing "RF_1T1R" even for 1T2R
chips.
Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/ed960059-5c77-422d-ac4e-fe9fc9d0d296@gmail.com
Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi')
| -rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/rtl8192cu/def.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/rtl8192cu/mac.c | 3 |
2 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/def.h b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/def.h index 91e4427ab022..4757f93b84e4 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/def.h +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/def.h @@ -11,7 +11,7 @@ #define CHIP_VENDOR_UMC_B_CUT BIT(6) #define IS_92C_1T2R(version) \ - (((version) & CHIP_92C) && ((version) & CHIP_92C_1T2R)) + (((version) & CHIP_92C_1T2R) == CHIP_92C_1T2R) #define IS_VENDOR_UMC(version) \ (((version) & CHIP_VENDOR_UMC) ? true : false) diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/mac.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/mac.c index 4ff0d4118193..a76f2dc8a977 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/mac.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/mac.c @@ -101,7 +101,8 @@ void rtl92c_read_chip_version(struct ieee80211_hw *hw) rtlphy->rf_type = RF_1T1R; rtl_dbg(rtlpriv, COMP_INIT, DBG_LOUD, "Chip RF Type: %s\n", - rtlphy->rf_type == RF_2T2R ? "RF_2T2R" : "RF_1T1R"); + rtlphy->rf_type == RF_2T2R ? "RF_2T2R" : + rtlphy->rf_type == RF_1T2R ? "RF_1T2R" : "RF_1T1R"); if (get_rf_type(rtlphy) == RF_1T1R) rtlpriv->dm.rfpath_rxenable[0] = true; else |