linux-kernel - [PATCH wireless-next 02/11] wifi: rtlwifi: rtl8821ae: phy: using calculate_bit

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Message-Id: <20231219065739.1895666-3-suhui@nfschina.com>
Date: Tue, 19 Dec 2023 14:57:30 +0800
From: Su Hui <suhui@...china.com>
To: pkshih@...ltek.com,
	kvalo@...nel.org
Cc: Su Hui <suhui@...china.com>,
	linux-wireless@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: [PATCH wireless-next 02/11] wifi: rtlwifi: rtl8821ae: phy: using calculate_bit_shift()

using calculate_bit_shift() to replace
_rtl8821ae_phy_calculate_bit_shift().

Signed-off-by: Su Hui <suhui@...china.com>
---
 .../net/wireless/realtek/rtlwifi/rtl8821ae/phy.c  | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c
index 68c3fb0395ce..1be51ea3f3c8 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c
@@ -27,13 +27,6 @@ static u32 _rtl8821ae_phy_rf_serial_read(struct ieee80211_hw *hw,
 static void _rtl8821ae_phy_rf_serial_write(struct ieee80211_hw *hw,
 					   enum radio_path rfpath, u32 offset,
 					   u32 data);
-static u32 _rtl8821ae_phy_calculate_bit_shift(u32 bitmask)
-{
-	if (WARN_ON_ONCE(!bitmask))
-		return 0;
-
-	return __ffs(bitmask);
-}
 static bool _rtl8821ae_phy_bb8821a_config_parafile(struct ieee80211_hw *hw);
 /*static bool _rtl8812ae_phy_config_mac_with_headerfile(struct ieee80211_hw *hw);*/
 static bool _rtl8821ae_phy_config_mac_with_headerfile(struct ieee80211_hw *hw);
@@ -106,7 +99,7 @@ u32 rtl8821ae_phy_query_bb_reg(struct ieee80211_hw *hw, u32 regaddr,
 		"regaddr(%#x), bitmask(%#x)\n",
 		regaddr, bitmask);
 	originalvalue = rtl_read_dword(rtlpriv, regaddr);
-	bitshift = _rtl8821ae_phy_calculate_bit_shift(bitmask);
+	bitshift = calculate_bit_shift(bitmask);
 	returnvalue = (originalvalue & bitmask) >> bitshift;
 
 	rtl_dbg(rtlpriv, COMP_RF, DBG_TRACE,
@@ -127,7 +120,7 @@ void rtl8821ae_phy_set_bb_reg(struct ieee80211_hw *hw,
 
 	if (bitmask != MASKDWORD) {
 		originalvalue = rtl_read_dword(rtlpriv, regaddr);
-		bitshift = _rtl8821ae_phy_calculate_bit_shift(bitmask);
+		bitshift = calculate_bit_shift(bitmask);
 		data = ((originalvalue & (~bitmask)) |
 			((data << bitshift) & bitmask));
 	}
@@ -153,7 +146,7 @@ u32 rtl8821ae_phy_query_rf_reg(struct ieee80211_hw *hw,
 	spin_lock(&rtlpriv->locks.rf_lock);
 
 	original_value = _rtl8821ae_phy_rf_serial_read(hw, rfpath, regaddr);
-	bitshift = _rtl8821ae_phy_calculate_bit_shift(bitmask);
+	bitshift = calculate_bit_shift(bitmask);
 	readback_value = (original_value & bitmask) >> bitshift;
 
 	spin_unlock(&rtlpriv->locks.rf_lock);
@@ -181,7 +174,7 @@ void rtl8821ae_phy_set_rf_reg(struct ieee80211_hw *hw,
 	if (bitmask != RFREG_OFFSET_MASK) {
 		original_value =
 		   _rtl8821ae_phy_rf_serial_read(hw, rfpath, regaddr);
-		bitshift = _rtl8821ae_phy_calculate_bit_shift(bitmask);
+		bitshift = calculate_bit_shift(bitmask);
 		data = ((original_value & (~bitmask)) | (data << bitshift));
 	}
 
-- 
2.30.2