2023-12-19 07:01:32

by Su Hui

[permalink] [raw]
Subject: [PATCH wireless-next 09/11] wifi: rtlwifi: rtl8192se: using calculate_bit_shift()

Using calculate_bit_shift() to replace _rtl92s_phy_calculate_bit_shift().
And fix the undefined bitwise shift behavior problem.

Fixes: d15853163bea ("rtlwifi: rtl8192se: Merge phy routines")
Signed-off-by: Su Hui <[email protected]>
---
.../net/wireless/realtek/rtlwifi/rtl8192se/phy.c | 15 ++++-----------
1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192se/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192se/phy.c
index 09591a0b5a81..d9ef7e1da1db 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192se/phy.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192se/phy.c
@@ -14,13 +14,6 @@
#include "hw.h"
#include "table.h"

-static u32 _rtl92s_phy_calculate_bit_shift(u32 bitmask)
-{
- u32 i = ffs(bitmask);
-
- return i ? i - 1 : 32;
-}
-
u32 rtl92s_phy_query_bb_reg(struct ieee80211_hw *hw, u32 regaddr, u32 bitmask)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
@@ -30,7 +23,7 @@ u32 rtl92s_phy_query_bb_reg(struct ieee80211_hw *hw, u32 regaddr, u32 bitmask)
regaddr, bitmask);

originalvalue = rtl_read_dword(rtlpriv, regaddr);
- bitshift = _rtl92s_phy_calculate_bit_shift(bitmask);
+ bitshift = calculate_bit_shift(bitmask);
returnvalue = (originalvalue & bitmask) >> bitshift;

rtl_dbg(rtlpriv, COMP_RF, DBG_TRACE, "BBR MASK=0x%x Addr[0x%x]=0x%x\n",
@@ -52,7 +45,7 @@ void rtl92s_phy_set_bb_reg(struct ieee80211_hw *hw, u32 regaddr, u32 bitmask,

if (bitmask != MASKDWORD) {
originalvalue = rtl_read_dword(rtlpriv, regaddr);
- bitshift = _rtl92s_phy_calculate_bit_shift(bitmask);
+ bitshift = calculate_bit_shift(bitmask);
data = ((originalvalue & (~bitmask)) | (data << bitshift));
}

@@ -157,7 +150,7 @@ u32 rtl92s_phy_query_rf_reg(struct ieee80211_hw *hw, enum radio_path rfpath,

original_value = _rtl92s_phy_rf_serial_read(hw, rfpath, regaddr);

- bitshift = _rtl92s_phy_calculate_bit_shift(bitmask);
+ bitshift = calculate_bit_shift(bitmask);
readback_value = (original_value & bitmask) >> bitshift;

spin_unlock(&rtlpriv->locks.rf_lock);
@@ -188,7 +181,7 @@ void rtl92s_phy_set_rf_reg(struct ieee80211_hw *hw, enum radio_path rfpath,
if (bitmask != RFREG_OFFSET_MASK) {
original_value = _rtl92s_phy_rf_serial_read(hw, rfpath,
regaddr);
- bitshift = _rtl92s_phy_calculate_bit_shift(bitmask);
+ bitshift = calculate_bit_shift(bitmask);
data = ((original_value & (~bitmask)) | (data << bitshift));
}

--
2.30.2