From patchwork Sun Sep 8 04:03:32 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Larry Finger X-Patchwork-Id: 11136799 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id F2E3618B6 for ; Sun, 8 Sep 2019 04:03:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D3060208C3 for ; Sun, 8 Sep 2019 04:03:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="RPhGvGtP" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726741AbfIHEDr (ORCPT ); Sun, 8 Sep 2019 00:03:47 -0400 Received: from mail-oi1-f195.google.com ([209.85.167.195]:38215 "EHLO mail-oi1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726217AbfIHEDp (ORCPT ); Sun, 8 Sep 2019 00:03:45 -0400 Received: by mail-oi1-f195.google.com with SMTP id 7so8110541oip.5 for ; Sat, 07 Sep 2019 21:03:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=SPHNaWgJaPH+MjSpXCiabxzUcF1X0XdbQ4bZl9CxlBc=; b=RPhGvGtPBT70NHm1YiWO2NxunvCVx7y7hSpjzZuL1Wcbva4DlCOE8aAT25Okv+zLdy H9xjVdNYsrlGZE6Lkaea1JqZ+TTfshEfFfr9zi1KA+lHnsLO6RSY4kl6vwJfqugeZD64 0UiYEPYwpD5DYm2AlMLd1X2f+zlUi9+TykBh/v7ZUq7KTtWfarqc+ekLCASa5pqIRNzL SmR6xcycoazvjCzs6vrdGbuIJSGaa2Dqs5YbqMth9vDLRhj+liy/+8jdEBeOVCK81plD QPQCpAHuKSmmwPfehvLhXa2NbaJh0BFKNMpchiKCO9PtIkQLIwPJXCULGUgY8618H7Z1 UL6Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=SPHNaWgJaPH+MjSpXCiabxzUcF1X0XdbQ4bZl9CxlBc=; b=p5NkFmC/p3CN5DKuvrk3I8rvdEj+bv9eR5xqYkymkbpCipMdUU7fMuLhJCyiLl9vYn eoSpCmd0V19XuMuv/QXv9kWgojB+2HV2+TRBTaGHaYvGow3+5Dv6xx1RgfMHXLSJtAex YIpr7ZvA3aqyC5mMCZdDe5ilNwDswf5ynUAQiJKs126MxMaXfzbF/F8k/nXVfwVBLwEe CF4+TK4H+iQZa3OGeOX6sxzX6YzwbCR0JBcR5KSykh5fnMjLKLVsbVbAjTtHatcy27l3 opDiE2UaHU5+Wey1OWMkSJ9MlRI566WXvZUWKTsQNDGfnsPK1GMICsXLjTAxxt6Ihlep XnIA== X-Gm-Message-State: APjAAAVu8osyCYC/guuVyAGt05yZHv6ndF8rysCeJ52WhuNDOyczE6JG Khms9on50+7P31zO3XsuUOp/L+yQ X-Google-Smtp-Source: APXvYqzU72ADHuYEytaN6bJYDbPCTofE/IdV5tOh6LwDdR2j0U/vevYCrscZ8HHz2PhzcVLCcuNbmw== X-Received: by 2002:a05:6808:195:: with SMTP id w21mr8666840oic.109.1567915424621; Sat, 07 Sep 2019 21:03:44 -0700 (PDT) Received: from localhost.localdomain (cpe-24-31-245-230.kc.res.rr.com. [24.31.245.230]) by smtp.gmail.com with ESMTPSA id x80sm1419178oia.37.2019.09.07.21.03.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 07 Sep 2019 21:03:44 -0700 (PDT) From: Larry Finger To: kvalo@codeaurora.org Cc: linux-wireless@vger.kernel.org, pkshih@realtek.com, Larry Finger Subject: [PATCH 6/9] rtlwifi: rtl8723be: Replace local bit manipulation macros Date: Sat, 7 Sep 2019 23:03:32 -0500 Message-Id: <20190908040335.19838-7-Larry.Finger@lwfinger.net> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20190908040335.19838-1-Larry.Finger@lwfinger.net> References: <20190908040335.19838-1-Larry.Finger@lwfinger.net> MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org This driver uses a set of local macros to manipulate the RX and TX descriptors, which are all little-endian quantities. These macros are replaced by the bitfield macros le32p_replace_bits() and le32_get_bits(). In several places, the macros operated on an entire 32-bit word. In these cases, a direct read or replacement is used. Signed-off-by: Larry Finger --- .../wireless/realtek/rtlwifi/rtl8723be/trx.h | 149 +++++++++--------- 1 file changed, 74 insertions(+), 75 deletions(-) diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/trx.h b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/trx.h index 89447b93c439..f0fc4f7d4815 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/trx.h +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/trx.h @@ -15,179 +15,178 @@ #define CRCLENGTH 4 #define SET_TX_DESC_PKT_SIZE(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc, 0, 16, __val) + le32p_replace_bits((__le32 *)__pdesc, __val, GENMASK(15, 0)) #define SET_TX_DESC_OFFSET(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc, 16, 8, __val) + le32p_replace_bits((__le32 *)__pdesc, __val, GENMASK(23, 16)) #define SET_TX_DESC_BMC(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc, 24, 1, __val) + le32p_replace_bits((__le32 *)__pdesc, __val, BIT(24)) #define SET_TX_DESC_HTC(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc, 25, 1, __val) + le32p_replace_bits((__le32 *)__pdesc, __val, BIT(25)) #define SET_TX_DESC_LAST_SEG(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc, 26, 1, __val) + le32p_replace_bits((__le32 *)__pdesc, __val, BIT(26)) #define SET_TX_DESC_FIRST_SEG(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc, 27, 1, __val) + le32p_replace_bits((__le32 *)__pdesc, __val, BIT(27)) #define SET_TX_DESC_LINIP(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc, 28, 1, __val) + le32p_replace_bits((__le32 *)__pdesc, __val, BIT(28)) #define SET_TX_DESC_OWN(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc, 31, 1, __val) + le32p_replace_bits((__le32 *)__pdesc, __val, BIT(31)) #define GET_TX_DESC_OWN(__pdesc) \ - LE_BITS_TO_4BYTE(__pdesc, 31, 1) + le32_get_bits(*(__le32 *)__pdesc, BIT(31)) #define SET_TX_DESC_MACID(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+4, 0, 7, __val) + le32p_replace_bits((__le32 *)(__pdesc + 4), __val, GENMASK(6, 0)) #define SET_TX_DESC_QUEUE_SEL(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+4, 8, 5, __val) + le32p_replace_bits((__le32 *)(__pdesc + 4), __val, GENMASK(12, 8)) #define SET_TX_DESC_RATE_ID(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+4, 16, 5, __val) + le32p_replace_bits((__le32 *)(__pdesc + 4), __val, GENMASK(20, 16)) #define SET_TX_DESC_SEC_TYPE(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+4, 22, 2, __val) + le32p_replace_bits((__le32 *)(__pdesc + 4), __val, GENMASK(23, 22)) #define SET_TX_DESC_PKT_OFFSET(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+4, 24, 5, __val) + le32p_replace_bits((__le32 *)(__pdesc + 4), __val, GENMASK(28, 24)) #define SET_TX_DESC_AGG_ENABLE(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+8, 12, 1, __val) + le32p_replace_bits((__le32 *)(__pdesc + 8), __val, BIT(12)) #define SET_TX_DESC_RDG_ENABLE(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+8, 13, 1, __val) + le32p_replace_bits((__le32 *)(__pdesc + 8), __val, BIT(13)) #define SET_TX_DESC_MORE_FRAG(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+8, 17, 1, __val) + le32p_replace_bits((__le32 *)(__pdesc + 8), __val, BIT(17)) #define SET_TX_DESC_AMPDU_DENSITY(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+8, 20, 3, __val) + le32p_replace_bits((__le32 *)(__pdesc + 8), __val, GENMASK(22, 20)) #define SET_TX_DESC_HWSEQ_SEL(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+12, 6, 2, __val) + le32p_replace_bits((__le32 *)(__pdesc + 12), __val, GENMASK(7, 6)) #define SET_TX_DESC_USE_RATE(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+12, 8, 1, __val) + le32p_replace_bits((__le32 *)(__pdesc + 12), __val, BIT(8)) #define SET_TX_DESC_DISABLE_FB(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+12, 10, 1, __val) + le32p_replace_bits((__le32 *)(__pdesc + 12), __val, BIT(10)) #define SET_TX_DESC_CTS2SELF(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+12, 11, 1, __val) + le32p_replace_bits((__le32 *)(__pdesc + 12), __val, BIT(11)) #define SET_TX_DESC_RTS_ENABLE(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+12, 12, 1, __val) + le32p_replace_bits((__le32 *)(__pdesc + 12), __val, BIT(12)) #define SET_TX_DESC_HW_RTS_ENABLE(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+12, 13, 1, __val) + le32p_replace_bits((__le32 *)(__pdesc + 12), __val, BIT(13)) #define SET_TX_DESC_NAV_USE_HDR(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+12, 15, 1, __val) + le32p_replace_bits((__le32 *)(__pdesc + 12), __val, BIT(15)) #define SET_TX_DESC_MAX_AGG_NUM(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+12, 17, 5, __val) + le32p_replace_bits((__le32 *)(__pdesc + 12), __val, GENMASK(21, 17)) #define SET_TX_DESC_TX_RATE(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+16, 0, 7, __val) + le32p_replace_bits((__le32 *)(__pdesc + 16), __val, GENMASK(6, 0)) #define SET_TX_DESC_DATA_RATE_FB_LIMIT(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+16, 8, 5, __val) + le32p_replace_bits((__le32 *)(__pdesc + 16), __val, GENMASK(12, 8)) #define SET_TX_DESC_RTS_RATE_FB_LIMIT(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+16, 13, 4, __val) + le32p_replace_bits((__le32 *)(__pdesc + 16), __val, GENMASK(16, 13)) #define SET_TX_DESC_RTS_RATE(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+16, 24, 5, __val) + le32p_replace_bits((__le32 *)(__pdesc + 16), __val, GENMASK(28, 24)) #define SET_TX_DESC_TX_SUB_CARRIER(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+20, 0, 4, __val) + le32p_replace_bits((__le32 *)(__pdesc + 20), __val, GENMASK(3, 0)) #define SET_TX_DESC_DATA_SHORTGI(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+20, 4, 1, __val) + le32p_replace_bits((__le32 *)(__pdesc + 20), __val, BIT(4)) #define SET_TX_DESC_DATA_BW(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+20, 5, 2, __val) + le32p_replace_bits((__le32 *)(__pdesc + 20), __val, GENMASK(6, 5)) #define SET_TX_DESC_RTS_SHORT(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+20, 12, 1, __val) + le32p_replace_bits((__le32 *)(__pdesc + 20), __val, BIT(12)) #define SET_TX_DESC_RTS_SC(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+20, 13, 4, __val) + le32p_replace_bits((__le32 *)(__pdesc + 20), __val, GENMASK(16, 13)) #define SET_TX_DESC_TX_BUFFER_SIZE(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+28, 0, 16, __val) + le32p_replace_bits((__le32 *)(__pdesc + 28), __val, GENMASK(15, 0)) #define SET_TX_DESC_HWSEQ_EN(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+32, 15, 1, __val) + le32p_replace_bits((__le32 *)(__pdesc + 32), __val, BIT(15)) #define SET_TX_DESC_SEQ(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+36, 12, 12, __val) + le32p_replace_bits((__le32 *)(__pdesc + 36), __val, GENMASK(23, 12)) #define SET_TX_DESC_TX_BUFFER_ADDRESS(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+40, 0, 32, __val) + *(__le32 *)(__pdesc + 40) = cpu_to_le32(__val) #define GET_TX_DESC_TX_BUFFER_ADDRESS(__pdesc) \ - LE_BITS_TO_4BYTE(__pdesc+40, 0, 32) + le32_to_cpu(*((__le32 *)(__pdesc + 40))) #define SET_TX_DESC_NEXT_DESC_ADDRESS(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+48, 0, 32, __val) + *(__le32 *)(__pdesc + 48) = cpu_to_le32(__val) #define GET_RX_DESC_PKT_LEN(__pdesc) \ - LE_BITS_TO_4BYTE(__pdesc, 0, 14) + le32_get_bits(*(__le32 *)__pdesc, GENMASK(13, 0)) #define GET_RX_DESC_CRC32(__pdesc) \ - LE_BITS_TO_4BYTE(__pdesc, 14, 1) + le32_get_bits(*(__le32 *)__pdesc, BIT(14)) #define GET_RX_DESC_ICV(__pdesc) \ - LE_BITS_TO_4BYTE(__pdesc, 15, 1) + le32_get_bits(*(__le32 *)__pdesc, BIT(15)) #define GET_RX_DESC_DRV_INFO_SIZE(__pdesc) \ - LE_BITS_TO_4BYTE(__pdesc, 16, 4) + le32_get_bits(*(__le32 *)__pdesc, GENMASK(19, 16)) #define GET_RX_DESC_SHIFT(__pdesc) \ - LE_BITS_TO_4BYTE(__pdesc, 24, 2) + le32_get_bits(*(__le32 *)__pdesc, GENMASK(25, 24)) #define GET_RX_DESC_PHYST(__pdesc) \ - LE_BITS_TO_4BYTE(__pdesc, 26, 1) + le32_get_bits(*(__le32 *)__pdesc, BIT(26)) #define GET_RX_DESC_SWDEC(__pdesc) \ - LE_BITS_TO_4BYTE(__pdesc, 27, 1) + le32_get_bits(*(__le32 *)__pdesc, BIT(27)) #define GET_RX_DESC_OWN(__pdesc) \ - LE_BITS_TO_4BYTE(__pdesc, 31, 1) + le32_get_bits(*(__le32 *)__pdesc, BIT(31)) #define SET_RX_DESC_PKT_LEN(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc, 0, 14, __val) + le32p_replace_bits((__le32 *)__pdesc, __val, GENMASK(13, 0)) #define SET_RX_DESC_EOR(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc, 30, 1, __val) + le32p_replace_bits((__le32 *)__pdesc, __val, BIT(30)) #define SET_RX_DESC_OWN(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc, 31, 1, __val) + le32p_replace_bits((__le32 *)__pdesc, __val, BIT(31)) #define GET_RX_DESC_MACID(__pdesc) \ - LE_BITS_TO_4BYTE(__pdesc+4, 0, 7) + le32_get_bits(*(__le32 *)(__pdesc + 4), GENMASK(6, 0)) #define GET_RX_DESC_PAGGR(__pdesc) \ - LE_BITS_TO_4BYTE(__pdesc+4, 15, 1) + le32_get_bits(*(__le32 *)(__pdesc + 4), BIT(15)) #define GET_RX_STATUS_DESC_RPT_SEL(__pdesc) \ - LE_BITS_TO_4BYTE(__pdesc+8, 28, 1) + le32_get_bits(*(__le32 *)(__pdesc + 8), BIT(28)) #define GET_RX_DESC_RXMCS(__pdesc) \ - LE_BITS_TO_4BYTE(__pdesc+12, 0, 7) + le32_get_bits(*(__le32 *)(__pdesc + 12), GENMASK(6, 0)) #define GET_RX_DESC_RXHT(__pdesc) \ - LE_BITS_TO_4BYTE(__pdesc+12, 6, 1) - + le32_get_bits(*(__le32 *)(__pdesc + 12), BIT(6)) #define GET_RX_STATUS_DESC_PATTERN_MATCH(__pdesc) \ - LE_BITS_TO_4BYTE(__pdesc+12, 29, 1) + le32_get_bits(*(__le32 *)(__pdesc + 12), BIT(29)) #define GET_RX_STATUS_DESC_UNICAST_MATCH(__pdesc) \ - LE_BITS_TO_4BYTE(__pdesc+12, 30, 1) + le32_get_bits(*(__le32 *)(__pdesc + 12), BIT(30)) #define GET_RX_STATUS_DESC_MAGIC_MATCH(__pdesc) \ - LE_BITS_TO_4BYTE(__pdesc+12, 31, 1) + le32_get_bits(*(__le32 *)(__pdesc + 12), BIT(31)) #define GET_RX_DESC_SPLCP(__pdesc) \ - LE_BITS_TO_4BYTE(__pdesc+16, 0, 1) + le32_get_bits(*(__le32 *)(__pdesc + 16), BIT(0)) #define GET_RX_DESC_BW(__pdesc) \ - LE_BITS_TO_4BYTE(__pdesc+16, 4, 2) + le32_get_bits(*(__le32 *)(__pdesc + 16), GENMASK(5, 4)) #define GET_RX_DESC_TSFL(__pdesc) \ - LE_BITS_TO_4BYTE(__pdesc+20, 0, 32) + le32_to_cpu(*((__le32 *)(__pdesc + 20))) #define GET_RX_DESC_BUFF_ADDR(__pdesc) \ - LE_BITS_TO_4BYTE(__pdesc+24, 0, 32) + le32_to_cpu(*((__le32 *)(__pdesc + 24))) #define SET_RX_DESC_BUFF_ADDR(__pdesc, __val) \ - SET_BITS_TO_LE_4BYTE(__pdesc+24, 0, 32, __val) + *(__le32 *)(__pdesc + 24) = cpu_to_le32(__val) /* TX report 2 format in Rx desc*/ #define GET_RX_RPT2_DESC_MACID_VALID_1(__rxstatusdesc) \ - LE_BITS_TO_4BYTE(__rxstatusdesc+16, 0, 32) + le32_to_cpu(*((__le32 *)(__rxstatusdesc + 16))) #define GET_RX_RPT2_DESC_MACID_VALID_2(__rxstatusdesc) \ - LE_BITS_TO_4BYTE(__rxstatusdesc+20, 0, 32) + le32_to_cpu(*((__le32 *)(__rxstatusdesc + 20))) #define SET_EARLYMODE_PKTNUM(__paddr, __value) \ - SET_BITS_TO_LE_4BYTE(__paddr, 0, 4, __value) + le32p_replace_bits((__le32 *)__paddr, __value, GENMASK(3, 0)) #define SET_EARLYMODE_LEN0(__paddr, __value) \ - SET_BITS_TO_LE_4BYTE(__paddr, 4, 12, __value) + le32p_replace_bits((__le32 *)__paddr, __value, GENMASK(15, 4)) #define SET_EARLYMODE_LEN1(__paddr, __value) \ - SET_BITS_TO_LE_4BYTE(__paddr, 16, 12, __value) + le32p_replace_bits((__le32 *)__paddr, __value, GENMASK(27, 16)) #define SET_EARLYMODE_LEN2_1(__paddr, __value) \ - SET_BITS_TO_LE_4BYTE(__paddr, 28, 4, __value) + le32p_replace_bits((__le32 *)__paddr, __value, GENMASK(31, 28)) #define SET_EARLYMODE_LEN2_2(__paddr, __value) \ - SET_BITS_TO_LE_4BYTE(__paddr+4, 0, 8, __value) + le32p_replace_bits((__le32 *)(__paddr + 4), __value, GENMASK(7, 0)) #define SET_EARLYMODE_LEN3(__paddr, __value) \ - SET_BITS_TO_LE_4BYTE(__paddr+4, 8, 12, __value) + le32p_replace_bits((__le32 *)(__paddr + 4), __value, GENMASK(19, 8)) #define SET_EARLYMODE_LEN4(__paddr, __value) \ - SET_BITS_TO_LE_4BYTE(__paddr+4, 20, 12, __value) + le32p_replace_bits((__le32 *)(__paddr + 4), __value, GENMASK(31, 20)) #define CLEAR_PCI_TX_DESC_CONTENT(__pdesc, _size) \ do { \