From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 96B5DE56B; Tue, 23 Jan 2024 00:05:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705968338; cv=none; b=mW+sf0kjZJrpfsYC2jsAC/G5Y+hCDEunnJVXmniv2d/YdSbXyXA9dg4G+XLmFyYUUQb3RJhyfDWmlEQt+0F9cvRBYEpKX14ZMdvYa0zkzMv5nZA7+LdzNZrt0OU87L6nz5j3k5oDer1oP9S4znwgATkWSZmdu2IjXzvY620ES5k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705968338; c=relaxed/simple; bh=rJDMQgUJCrPNYuYEgXB+i8Kb3m0sKbjQ40ha6Ygr/i8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=mABwffjEnh/GNNwU+/dEQzy9s4hvpOfX5GA2Zmte0Z9zLiL/4p1sTYucMh4veXb2fOnuic+kNfsNX1/PA7lQ2hSe5tePScDxYaBOaEs8Z3q/CIAoXz4DZTSZXwG1gTh4TQnpT2RDgJpTbD4+MRtd/6SkQkL/MtnyZCC4+cpfSW0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=iQczpM9a; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="iQczpM9a" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CDA20C433F1; Tue, 23 Jan 2024 00:05:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1705968338; bh=rJDMQgUJCrPNYuYEgXB+i8Kb3m0sKbjQ40ha6Ygr/i8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iQczpM9aS0tEFtq71ORKfNRkoHzSWgY8UqsCwFuGeOoORb/qQSLhDx71HjeNKKWi/ H4O/Bp7mcmM3NfgeRP1HZJkrSruddbY3IAm6K5Q76AHJXOBFr0M1OXBFYVPGJddUOv B3yuIUv/6VLdgFm6iOoLwqmwcgKI35zJ1qx8iDds= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Su Hui , Kalle Valo , Sasha Levin Subject: [PATCH 4.19 082/148] wifi: rtlwifi: rtl8192se: using calculate_bit_shift() Date: Mon, 22 Jan 2024 15:57:18 -0800 Message-ID: <20240122235715.722048344@linuxfoundation.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240122235712.442097787@linuxfoundation.org> References: <20240122235712.442097787@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Su Hui [ Upstream commit ac32b9317063b101a8ff3d3e885f76f87a280419 ] 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 Signed-off-by: Kalle Valo Link: https://msgid.link/20231219065739.1895666-10-suhui@nfschina.com Signed-off-by: Sasha Levin --- .../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 dfc96126a356..0430a3b823d6 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192se/phy.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192se/phy.c @@ -36,13 +36,6 @@ #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); @@ -52,7 +45,7 @@ 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; RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE, "BBR MASK=0x%x Addr[0x%x]=0x%x\n", @@ -74,7 +67,7 @@ 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)); } @@ -182,7 +175,7 @@ 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); @@ -213,7 +206,7 @@ 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)); } -- 2.43.0