4.19-stable review patch. If anyone has any objections, please let me know.
------------------
From: Su Hui <suhui@xxxxxxxxxxxx>
[ Upstream commit b8b2baad2e652042cf8b6339939ac2f4e6f53de4 ]
Using calculate_bit_shift() to replace _rtl92d_phy_calculate_bit_shift().
And fix the undefined bitwise shift behavior problem.
Fixes: 7274a8c22980 ("rtlwifi: rtl8192de: Merge phy routines")
Signed-off-by: Su Hui <suhui@xxxxxxxxxxxx>
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxx>
Link: https://msgid.link/20231219065739.1895666-8-suhui@xxxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
.../net/wireless/realtek/rtlwifi/rtl8192de/phy.c | 15 ++++-----------
1 file changed, 4 insertions(+), 11 deletions(-)
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c
index 89b473caa5f8..2ee779614269 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c
@@ -191,13 +191,6 @@ static const u8 channel_all[59] = {
157, 159, 161, 163, 165
};
-static u32 _rtl92d_phy_calculate_bit_shift(u32 bitmask)
-{
- u32 i = ffs(bitmask);
-
- return i ? i - 1 : 32;
-}
-
u32 rtl92d_phy_query_bb_reg(struct ieee80211_hw *hw, u32 regaddr, u32 bitmask)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
@@ -220,7 +213,7 @@ u32 rtl92d_phy_query_bb_reg(struct ieee80211_hw *hw, u32 regaddr, u32 bitmask)
} else {
originalvalue = rtl_read_dword(rtlpriv, regaddr);
}
- bitshift = _rtl92d_phy_calculate_bit_shift(bitmask);
+ bitshift = calculate_bit_shift(bitmask);
returnvalue = (originalvalue & bitmask) >> bitshift;
RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE,
"BBR MASK=0x%x Addr[0x%x]=0x%x\n",
@@ -252,7 +245,7 @@ void rtl92d_phy_set_bb_reg(struct ieee80211_hw *hw,
dbi_direct);
else
originalvalue = rtl_read_dword(rtlpriv, regaddr);
- bitshift = _rtl92d_phy_calculate_bit_shift(bitmask);
+ bitshift = calculate_bit_shift(bitmask);
data = ((originalvalue & (~bitmask)) | (data << bitshift));
}
if (rtlhal->during_mac1init_radioa || rtlhal->during_mac0init_radiob)
@@ -340,7 +333,7 @@ u32 rtl92d_phy_query_rf_reg(struct ieee80211_hw *hw,
regaddr, rfpath, bitmask);
spin_lock_irqsave(&rtlpriv->locks.rf_lock, flags);
original_value = _rtl92d_phy_rf_serial_read(hw, rfpath, regaddr);
- bitshift = _rtl92d_phy_calculate_bit_shift(bitmask);
+ bitshift = calculate_bit_shift(bitmask);
readback_value = (original_value & bitmask) >> bitshift;
spin_unlock_irqrestore(&rtlpriv->locks.rf_lock, flags);
RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE,
@@ -367,7 +360,7 @@ void rtl92d_phy_set_rf_reg(struct ieee80211_hw *hw, enum radio_path rfpath,
if (bitmask != RFREG_OFFSET_MASK) {
original_value = _rtl92d_phy_rf_serial_read(hw,
rfpath, regaddr);
- bitshift = _rtl92d_phy_calculate_bit_shift(bitmask);
+ bitshift = calculate_bit_shift(bitmask);
data = ((original_value & (~bitmask)) |
(data << bitshift));
}
--
2.43.0
