From patchwork Fri Oct 20 04:09:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Antipov X-Patchwork-Id: 736903 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 097DECDB47E for ; Fri, 20 Oct 2023 04:11:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1376266AbjJTELi (ORCPT ); Fri, 20 Oct 2023 00:11:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55114 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346941AbjJTELh (ORCPT ); Fri, 20 Oct 2023 00:11:37 -0400 Received: from forward101b.mail.yandex.net (forward101b.mail.yandex.net [178.154.239.148]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B3C67C9 for ; Thu, 19 Oct 2023 21:11:31 -0700 (PDT) Received: from mail-nwsmtp-smtp-production-main-42.myt.yp-c.yandex.net (mail-nwsmtp-smtp-production-main-42.myt.yp-c.yandex.net [IPv6:2a02:6b8:c12:1f9b:0:640:e5b1:0]) by forward101b.mail.yandex.net (Yandex) with ESMTP id 1E65660AB1; Fri, 20 Oct 2023 07:11:29 +0300 (MSK) Received: by mail-nwsmtp-smtp-production-main-42.myt.yp-c.yandex.net (smtp/Yandex) with ESMTPSA id RBBV4C6DcKo0-oyxosPKv; Fri, 20 Oct 2023 07:11:28 +0300 X-Yandex-Fwd: 1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1697775088; bh=kXTgyleFl/FXwYKCmo08PbR36t++EBLs3ba1wqNW9dA=; h=Message-ID:Date:In-Reply-To:Cc:Subject:References:To:From; b=eMI5MB+Wcz7sXamTnz3lccvvIwMGph0tfHM3ebvuESLSrcN9PdDy13vyTnLI08yeD 26AYN/R6Mdp5ruS9TA6fKGgx2l1ch1aerH11/fCnlVpSg6UFJmxcHsLbpiOh3i+7TC hrg0ws5WAnRXUrdwjzylQarFAmqvGEE7KZf+OE40= Authentication-Results: mail-nwsmtp-smtp-production-main-42.myt.yp-c.yandex.net; dkim=pass header.i=@yandex.ru From: Dmitry Antipov To: Ping-Ke Shih Cc: Tom Rix , Kalle Valo , linux-wireless@vger.kernel.org, Dmitry Antipov Subject: [PATCH] [v2] wifi: rtw89: cleanup firmware elements parsing Date: Fri, 20 Oct 2023 07:09:36 +0300 Message-ID: <20231020040940.33154-1-dmantipov@yandex.ru> X-Mailer: git-send-email 2.41.0 In-Reply-To: <661e7dffafdb403abc2c4cab23c7d1ed@realtek.com> References: <661e7dffafdb403abc2c4cab23c7d1ed@realtek.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org When compiling with clang-18, I've noticed the following: drivers/net/wireless/realtek/rtw89/fw.c:389:28: warning: cast to smaller integer type 'enum rtw89_fw_type' from 'const void *' [-Wvoid-pointer-to-enum-cast] 389 | enum rtw89_fw_type type = (enum rtw89_fw_type)data; | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/wireless/realtek/rtw89/fw.c:569:13: warning: cast to smaller integer type 'enum rtw89_rf_path' from 'const void *' [-Wvoid-pointer-to-enum-cast] 569 | rf_path = (enum rtw89_rf_path)data; | ^~~~~~~~~~~~~~~~~~~~~~~~ So avoid brutal everything-to-const-void-and-back casts, introduce 'union rtw89_fw_element_arg' to pass parameters to element handler callbacks, and adjust all of the related bits accordingly. Compile tested only. Signed-off-by: Dmitry Antipov --- v2: prefer more subject-specific title and fix style issues (Ping-Ke Shih) --- drivers/net/wireless/realtek/rtw89/fw.c | 71 ++++++++++++++----------- 1 file changed, 39 insertions(+), 32 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw89/fw.c b/drivers/net/wireless/realtek/rtw89/fw.c index 7cfcf536d6fe..a732c22a2d54 100644 --- a/drivers/net/wireless/realtek/rtw89/fw.c +++ b/drivers/net/wireless/realtek/rtw89/fw.c @@ -13,6 +13,20 @@ #include "reg.h" #include "util.h" +union rtw89_fw_element_arg { + size_t offset; + enum rtw89_rf_path rf_path; + enum rtw89_fw_type fw_type; +}; + +struct rtw89_fw_element_handler { + int (*fn)(struct rtw89_dev *rtwdev, + const struct rtw89_fw_element_hdr *elm, + const union rtw89_fw_element_arg arg); + const union rtw89_fw_element_arg arg; + const char *name; +}; + static void rtw89_fw_c2h_cmd_handle(struct rtw89_dev *rtwdev, struct sk_buff *skb); static int rtw89_h2c_tx_and_wait(struct rtw89_dev *rtwdev, struct sk_buff *skb, @@ -384,9 +398,9 @@ int __rtw89_fw_recognize(struct rtw89_dev *rtwdev, enum rtw89_fw_type type, static int __rtw89_fw_recognize_from_elm(struct rtw89_dev *rtwdev, const struct rtw89_fw_element_hdr *elm, - const void *data) + const union rtw89_fw_element_arg arg) { - enum rtw89_fw_type type = (enum rtw89_fw_type)data; + enum rtw89_fw_type type = arg.fw_type; struct rtw89_fw_suit *fw_suit; fw_suit = rtw89_fw_suit_get(rtwdev, type); @@ -542,7 +556,7 @@ int rtw89_fw_recognize(struct rtw89_dev *rtwdev) static int rtw89_build_phy_tbl_from_elm(struct rtw89_dev *rtwdev, const struct rtw89_fw_element_hdr *elm, - const void *data) + const union rtw89_fw_element_arg arg) { struct rtw89_fw_elm_info *elm_info = &rtwdev->fw.elm_info; struct rtw89_phy_table *tbl; @@ -566,7 +580,7 @@ int rtw89_build_phy_tbl_from_elm(struct rtw89_dev *rtwdev, case RTW89_FW_ELEMENT_ID_RADIO_B: case RTW89_FW_ELEMENT_ID_RADIO_C: case RTW89_FW_ELEMENT_ID_RADIO_D: - rf_path = (enum rtw89_rf_path)data; + rf_path = arg.rf_path; idx = elm->u.reg2.idx; elm_info->rf_radio[idx] = tbl; @@ -604,10 +618,10 @@ int rtw89_build_phy_tbl_from_elm(struct rtw89_dev *rtwdev, static int rtw89_fw_recognize_txpwr_from_elm(struct rtw89_dev *rtwdev, const struct rtw89_fw_element_hdr *elm, - const void *data) + const union rtw89_fw_element_arg arg) { const struct __rtw89_fw_txpwr_element *txpwr_elm = &elm->u.txpwr; - const unsigned long offset = (const unsigned long)data; + const unsigned long offset = arg.offset; struct rtw89_efuse *efuse = &rtwdev->efuse; struct rtw89_txpwr_conf *conf; @@ -644,64 +658,57 @@ int rtw89_fw_recognize_txpwr_from_elm(struct rtw89_dev *rtwdev, return 0; } -struct rtw89_fw_element_handler { - int (*fn)(struct rtw89_dev *rtwdev, - const struct rtw89_fw_element_hdr *elm, const void *data); - const void *data; - const char *name; -}; - static const struct rtw89_fw_element_handler __fw_element_handlers[] = { [RTW89_FW_ELEMENT_ID_BBMCU0] = {__rtw89_fw_recognize_from_elm, - (const void *)RTW89_FW_BBMCU0, NULL}, + { .fw_type = RTW89_FW_BBMCU0 }, NULL}, [RTW89_FW_ELEMENT_ID_BBMCU1] = {__rtw89_fw_recognize_from_elm, - (const void *)RTW89_FW_BBMCU1, NULL}, - [RTW89_FW_ELEMENT_ID_BB_REG] = {rtw89_build_phy_tbl_from_elm, NULL, "BB"}, - [RTW89_FW_ELEMENT_ID_BB_GAIN] = {rtw89_build_phy_tbl_from_elm, NULL, NULL}, + { .fw_type = RTW89_FW_BBMCU1 }, NULL}, + [RTW89_FW_ELEMENT_ID_BB_REG] = {rtw89_build_phy_tbl_from_elm, {}, "BB"}, + [RTW89_FW_ELEMENT_ID_BB_GAIN] = {rtw89_build_phy_tbl_from_elm, {}, NULL}, [RTW89_FW_ELEMENT_ID_RADIO_A] = {rtw89_build_phy_tbl_from_elm, - (const void *)RF_PATH_A, "radio A"}, + { .rf_path = RF_PATH_A }, "radio A"}, [RTW89_FW_ELEMENT_ID_RADIO_B] = {rtw89_build_phy_tbl_from_elm, - (const void *)RF_PATH_B, NULL}, + { .rf_path = RF_PATH_B }, NULL}, [RTW89_FW_ELEMENT_ID_RADIO_C] = {rtw89_build_phy_tbl_from_elm, - (const void *)RF_PATH_C, NULL}, + { .rf_path = RF_PATH_C }, NULL}, [RTW89_FW_ELEMENT_ID_RADIO_D] = {rtw89_build_phy_tbl_from_elm, - (const void *)RF_PATH_D, NULL}, - [RTW89_FW_ELEMENT_ID_RF_NCTL] = {rtw89_build_phy_tbl_from_elm, NULL, "NCTL"}, + { .rf_path = RF_PATH_D }, NULL}, + [RTW89_FW_ELEMENT_ID_RF_NCTL] = {rtw89_build_phy_tbl_from_elm, {}, "NCTL"}, [RTW89_FW_ELEMENT_ID_TXPWR_BYRATE] = { rtw89_fw_recognize_txpwr_from_elm, - (const void *)offsetof(struct rtw89_rfe_data, byrate.conf), "TXPWR", + { .offset = offsetof(struct rtw89_rfe_data, byrate.conf) }, "TXPWR", }, [RTW89_FW_ELEMENT_ID_TXPWR_LMT_2GHZ] = { rtw89_fw_recognize_txpwr_from_elm, - (const void *)offsetof(struct rtw89_rfe_data, lmt_2ghz.conf), NULL, + { .offset = offsetof(struct rtw89_rfe_data, lmt_2ghz.conf) }, NULL, }, [RTW89_FW_ELEMENT_ID_TXPWR_LMT_5GHZ] = { rtw89_fw_recognize_txpwr_from_elm, - (const void *)offsetof(struct rtw89_rfe_data, lmt_5ghz.conf), NULL, + { .offset = offsetof(struct rtw89_rfe_data, lmt_5ghz.conf) }, NULL, }, [RTW89_FW_ELEMENT_ID_TXPWR_LMT_6GHZ] = { rtw89_fw_recognize_txpwr_from_elm, - (const void *)offsetof(struct rtw89_rfe_data, lmt_6ghz.conf), NULL, + { .offset = offsetof(struct rtw89_rfe_data, lmt_6ghz.conf) }, NULL, }, [RTW89_FW_ELEMENT_ID_TXPWR_LMT_RU_2GHZ] = { rtw89_fw_recognize_txpwr_from_elm, - (const void *)offsetof(struct rtw89_rfe_data, lmt_ru_2ghz.conf), NULL, + { .offset = offsetof(struct rtw89_rfe_data, lmt_ru_2ghz.conf) }, NULL, }, [RTW89_FW_ELEMENT_ID_TXPWR_LMT_RU_5GHZ] = { rtw89_fw_recognize_txpwr_from_elm, - (const void *)offsetof(struct rtw89_rfe_data, lmt_ru_5ghz.conf), NULL, + { .offset = offsetof(struct rtw89_rfe_data, lmt_ru_5ghz.conf) }, NULL, }, [RTW89_FW_ELEMENT_ID_TXPWR_LMT_RU_6GHZ] = { rtw89_fw_recognize_txpwr_from_elm, - (const void *)offsetof(struct rtw89_rfe_data, lmt_ru_6ghz.conf), NULL, + { .offset = offsetof(struct rtw89_rfe_data, lmt_ru_6ghz.conf) }, NULL, }, [RTW89_FW_ELEMENT_ID_TX_SHAPE_LMT] = { rtw89_fw_recognize_txpwr_from_elm, - (const void *)offsetof(struct rtw89_rfe_data, tx_shape_lmt.conf), NULL, + { .offset = offsetof(struct rtw89_rfe_data, tx_shape_lmt.conf) }, NULL, }, [RTW89_FW_ELEMENT_ID_TX_SHAPE_LMT_RU] = { rtw89_fw_recognize_txpwr_from_elm, - (const void *)offsetof(struct rtw89_rfe_data, tx_shape_lmt_ru.conf), NULL, + { .offset = offsetof(struct rtw89_rfe_data, tx_shape_lmt_ru.conf) }, NULL, }, }; @@ -742,7 +749,7 @@ int rtw89_fw_recognize_elements(struct rtw89_dev *rtwdev) if (!handler->fn) goto next; - ret = handler->fn(rtwdev, hdr, handler->data); + ret = handler->fn(rtwdev, hdr, handler->arg); if (ret) return ret;