From patchwork Sat Jul 17 20:40:53 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Blumenstingl X-Patchwork-Id: 479546 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AEFA2C636CB for ; Sat, 17 Jul 2021 20:41:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 997B361151 for ; Sat, 17 Jul 2021 20:41:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235917AbhGQUoe (ORCPT ); Sat, 17 Jul 2021 16:44:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46086 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235609AbhGQUoN (ORCPT ); Sat, 17 Jul 2021 16:44:13 -0400 Received: from mail-wr1-x434.google.com (mail-wr1-x434.google.com [IPv6:2a00:1450:4864:20::434]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1AEEFC061762; Sat, 17 Jul 2021 13:41:15 -0700 (PDT) Received: by mail-wr1-x434.google.com with SMTP id v5so16221236wrt.3; Sat, 17 Jul 2021 13:41:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=uk0gQtyHe+7seTs9c47Ts/miKfxRiB6TKSQHr8dMLFs=; b=PaSgDAONVjZRZ8egE8bl4q9kszRYtLcpEPCaq4ebtf++SsgdHXQjZ0TdwifKjku80s NUeqYMPyG9bFm/2mE4NFZdM/BGqN7MrTGUe5C2HVHg4hmfscZkMcCxjv/O/9bteWaSQG 2CmJ4qyKJJm9x0L5/xlZIrL1vKMzxLQO0AIadd5NSScqybX/0G6W0tD1rorJlw5Dm43f NVrFaZS8uCqXd+8UG0v82CwtuTaUbQxXg0jiTqQr+1XB1iDAV/bEvbcI4u+5Be8trKLK GD1umNt81Cr1q3WdVnlcnyv40eL8PW9x/WkBe0jTvZjQv6YBmXAXbXpMa2Pu1Vj72Vma 5+OQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=uk0gQtyHe+7seTs9c47Ts/miKfxRiB6TKSQHr8dMLFs=; b=mSt5meGbfaopN+wr9frGsxJ5zVaVTJLpqdd23040rOXRzNrIQ73a3wtfJBVUahlIrN s6k4Obl6U2ORAtQ78OR7VCKiKK1D1CvEsojGSu4OqK15+irGyWSsf6cvH1oBkYNqEyyu 8ojxCk7OWElKs64cwbwgMi3b3c8JN7XtNgINz462XP42j9VVYm68MhXVGx8cAdutNGag wtqXIKpbwYII9jlcfr4agE+c9EiAZOVyt/3F33oY398A1rlcTc0ZfSFPFyl7XwEs/+o9 F6+rwT8eQ1wswo0iMm0XPClHtYAu0um+95LRBleDb9Rt3ruo2v+3gfSFj0p37pk5Sr+e 3oCA== X-Gm-Message-State: AOAM5337gsWNws9ltObdicxNjvOURDj++wWWw1GQrIsvhucUZ743rHur 7q1b20q5HooU6jhzGpDTuVPUdl+yHYY= X-Google-Smtp-Source: ABdhPJzuO8mojLgo0pHNtVhw4KS7FjmYW13zBLHNuoWZiI56hqh709Rw4RKei+w3Qr8wmUc0WdbHhQ== X-Received: by 2002:a05:6000:231:: with SMTP id l17mr21054508wrz.40.1626554473554; Sat, 17 Jul 2021 13:41:13 -0700 (PDT) Received: from localhost.localdomain (dynamic-2a01-0c22-7602-4e00-f22f-74ff-fe21-0725.c22.pool.telefonica.de. [2a01:c22:7602:4e00:f22f:74ff:fe21:725]) by smtp.googlemail.com with ESMTPSA id n7sm14078357wmq.37.2021.07.17.13.41.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 17 Jul 2021 13:41:12 -0700 (PDT) From: Martin Blumenstingl To: linux-wireless@vger.kernel.org Cc: tony0620emma@gmail.com, kvalo@codeaurora.org, johannes@sipsolutions.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Neo Jou , Jernej Skrabec , Martin Blumenstingl Subject: [PATCH RFC v1 3/7] rtw88: Use rtw_iterate_stas where the iterator reads or writes registers Date: Sat, 17 Jul 2021 22:40:53 +0200 Message-Id: <20210717204057.67495-4-martin.blumenstingl@googlemail.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210717204057.67495-1-martin.blumenstingl@googlemail.com> References: <20210717204057.67495-1-martin.blumenstingl@googlemail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Upcoming SDIO support may sleep in the read/write handlers. Switch all users of rtw_iterate_stas_atomic() which are either reading or writing a register to rtw_iterate_stas(). Signed-off-by: Martin Blumenstingl --- drivers/net/wireless/realtek/rtw88/mac80211.c | 2 +- drivers/net/wireless/realtek/rtw88/main.c | 2 +- drivers/net/wireless/realtek/rtw88/phy.c | 4 ++-- drivers/net/wireless/realtek/rtw88/util.h | 2 ++ drivers/net/wireless/realtek/rtw88/wow.c | 2 +- 5 files changed, 7 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw88/mac80211.c b/drivers/net/wireless/realtek/rtw88/mac80211.c index 6f5629852416..7650a1ca0e9e 100644 --- a/drivers/net/wireless/realtek/rtw88/mac80211.c +++ b/drivers/net/wireless/realtek/rtw88/mac80211.c @@ -721,7 +721,7 @@ static void rtw_ra_mask_info_update(struct rtw_dev *rtwdev, br_data.rtwdev = rtwdev; br_data.vif = vif; br_data.mask = mask; - rtw_iterate_stas_atomic(rtwdev, rtw_ra_mask_info_update_iter, &br_data); + rtw_iterate_stas(rtwdev, rtw_ra_mask_info_update_iter, &br_data); } static int rtw_ops_set_bitrate_mask(struct ieee80211_hw *hw, diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c index 207161a8f5bd..6e0d25f0afe3 100644 --- a/drivers/net/wireless/realtek/rtw88/main.c +++ b/drivers/net/wireless/realtek/rtw88/main.c @@ -577,7 +577,7 @@ static void __fw_recovery_work(struct rtw_dev *rtwdev) rcu_read_lock(); rtw_iterate_keys_rcu(rtwdev, NULL, rtw_reset_key_iter, rtwdev); rcu_read_unlock(); - rtw_iterate_stas_atomic(rtwdev, rtw_reset_sta_iter, rtwdev); + rtw_iterate_stas(rtwdev, rtw_reset_sta_iter, rtwdev); rtw_iterate_vifs(rtwdev, rtw_reset_vif_iter, rtwdev); rtw_enter_ips(rtwdev); } diff --git a/drivers/net/wireless/realtek/rtw88/phy.c b/drivers/net/wireless/realtek/rtw88/phy.c index 569dd3cfde35..8f2827ecb514 100644 --- a/drivers/net/wireless/realtek/rtw88/phy.c +++ b/drivers/net/wireless/realtek/rtw88/phy.c @@ -240,7 +240,7 @@ static void rtw_phy_stat_rssi(struct rtw_dev *rtwdev) data.rtwdev = rtwdev; data.min_rssi = U8_MAX; - rtw_iterate_stas_atomic(rtwdev, rtw_phy_stat_rssi_iter, &data); + rtw_iterate_stas(rtwdev, rtw_phy_stat_rssi_iter, &data); dm_info->pre_min_rssi = dm_info->min_rssi; dm_info->min_rssi = data.min_rssi; @@ -484,7 +484,7 @@ static void rtw_phy_ra_info_update(struct rtw_dev *rtwdev) if (rtwdev->watch_dog_cnt & 0x3) return; - rtw_iterate_stas_atomic(rtwdev, rtw_phy_ra_info_update_iter, rtwdev); + rtw_iterate_stas(rtwdev, rtw_phy_ra_info_update_iter, rtwdev); } static u32 rtw_phy_get_rrsr_mask(struct rtw_dev *rtwdev, u8 rate_idx) diff --git a/drivers/net/wireless/realtek/rtw88/util.h b/drivers/net/wireless/realtek/rtw88/util.h index 0c23b5069be0..b0dfadf8b82a 100644 --- a/drivers/net/wireless/realtek/rtw88/util.h +++ b/drivers/net/wireless/realtek/rtw88/util.h @@ -13,6 +13,8 @@ struct rtw_dev; #define rtw_iterate_vifs_atomic(rtwdev, iterator, data) \ ieee80211_iterate_active_interfaces_atomic(rtwdev->hw, \ IEEE80211_IFACE_ITER_NORMAL, iterator, data) +#define rtw_iterate_stas(rtwdev, iterator, data) \ + ieee80211_iterate_stations(rtwdev->hw, iterator, data) #define rtw_iterate_stas_atomic(rtwdev, iterator, data) \ ieee80211_iterate_stations_atomic(rtwdev->hw, iterator, data) #define rtw_iterate_keys(rtwdev, vif, iterator, data) \ diff --git a/drivers/net/wireless/realtek/rtw88/wow.c b/drivers/net/wireless/realtek/rtw88/wow.c index fc9544f4e5e4..9c4050d4c6e2 100644 --- a/drivers/net/wireless/realtek/rtw88/wow.c +++ b/drivers/net/wireless/realtek/rtw88/wow.c @@ -429,7 +429,7 @@ static void rtw_wow_fw_media_status(struct rtw_dev *rtwdev, bool connect) data.rtwdev = rtwdev; data.connect = connect; - rtw_iterate_stas_atomic(rtwdev, rtw_wow_fw_media_status_iter, &data); + rtw_iterate_stas(rtwdev, rtw_wow_fw_media_status_iter, &data); } static void rtw_wow_config_pno_rsvd_page(struct rtw_dev *rtwdev, From patchwork Sat Jul 17 20:40:54 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Blumenstingl X-Patchwork-Id: 479545 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 294B4C636CA for ; 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[2a01:c22:7602:4e00:f22f:74ff:fe21:725]) by smtp.googlemail.com with ESMTPSA id n7sm14078357wmq.37.2021.07.17.13.41.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 17 Jul 2021 13:41:13 -0700 (PDT) From: Martin Blumenstingl To: linux-wireless@vger.kernel.org Cc: tony0620emma@gmail.com, kvalo@codeaurora.org, johannes@sipsolutions.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Neo Jou , Jernej Skrabec , Martin Blumenstingl Subject: [PATCH RFC v1 4/7] rtw88: Replace usage of rtw_iterate_keys_rcu() with rtw_iterate_keys() Date: Sat, 17 Jul 2021 22:40:54 +0200 Message-Id: <20210717204057.67495-5-martin.blumenstingl@googlemail.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210717204057.67495-1-martin.blumenstingl@googlemail.com> References: <20210717204057.67495-1-martin.blumenstingl@googlemail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Upcoming SDIO support may sleep in the read/write handlers. The only occurrence of rtw_iterate_keys_rcu() reads and writes registers from it's iterator function. Replace it with rtw_iterate_keys() (the non-RCU version). This will prevent an "scheduling while atomic" issue when using an SDIO device. Signed-off-by: Martin Blumenstingl --- drivers/net/wireless/realtek/rtw88/main.c | 4 +--- drivers/net/wireless/realtek/rtw88/util.h | 2 -- 2 files changed, 1 insertion(+), 5 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c index 6e0d25f0afe3..e40432b1dcee 100644 --- a/drivers/net/wireless/realtek/rtw88/main.c +++ b/drivers/net/wireless/realtek/rtw88/main.c @@ -574,9 +574,7 @@ static void __fw_recovery_work(struct rtw_dev *rtwdev) WARN(1, "firmware crash, start reset and recover\n"); - rcu_read_lock(); - rtw_iterate_keys_rcu(rtwdev, NULL, rtw_reset_key_iter, rtwdev); - rcu_read_unlock(); + rtw_iterate_keys(rtwdev, NULL, rtw_reset_key_iter, rtwdev); rtw_iterate_stas(rtwdev, rtw_reset_sta_iter, rtwdev); rtw_iterate_vifs(rtwdev, rtw_reset_vif_iter, rtwdev); rtw_enter_ips(rtwdev); diff --git a/drivers/net/wireless/realtek/rtw88/util.h b/drivers/net/wireless/realtek/rtw88/util.h index b0dfadf8b82a..06a5b4c4111c 100644 --- a/drivers/net/wireless/realtek/rtw88/util.h +++ b/drivers/net/wireless/realtek/rtw88/util.h @@ -19,8 +19,6 @@ struct rtw_dev; ieee80211_iterate_stations_atomic(rtwdev->hw, iterator, data) #define rtw_iterate_keys(rtwdev, vif, iterator, data) \ ieee80211_iter_keys(rtwdev->hw, vif, iterator, data) -#define rtw_iterate_keys_rcu(rtwdev, vif, iterator, data) \ - ieee80211_iter_keys_rcu((rtwdev)->hw, vif, iterator, data) static inline u8 *get_hdr_bssid(struct ieee80211_hdr *hdr) { From patchwork Sat Jul 17 20:40:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Blumenstingl X-Patchwork-Id: 479544 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 98A67C636CB for ; Sat, 17 Jul 2021 20:41:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7D41061185 for ; Sat, 17 Jul 2021 20:41:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236270AbhGQUor (ORCPT ); Sat, 17 Jul 2021 16:44:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46108 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235643AbhGQUoS (ORCPT ); Sat, 17 Jul 2021 16:44:18 -0400 Received: from mail-wr1-x42e.google.com (mail-wr1-x42e.google.com [IPv6:2a00:1450:4864:20::42e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D5E7CC061766; Sat, 17 Jul 2021 13:41:17 -0700 (PDT) Received: by mail-wr1-x42e.google.com with SMTP id f17so16189527wrt.6; Sat, 17 Jul 2021 13:41:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ZvC5Ygzd6gbVP8NtAh30qzHzpl/bhx2z4pCtMRNmGCA=; b=CMNps2dWETudqhXFL3YQvTQxtOvEK1YLiyZvUF+210/zOMc9vee/5Ev4z1Whf3v/0P QKZ4pnTBoIpOaZ9rvsc2Ot4Nb+rBJ/egOvVEuW/13+73zIWyI6SSFNn3UfBYyIfrCuJw Yzmz/5dzfg8G16RdnQUi4U2bWhQN32Drp4gSsk1CX+1535n1Yvi8xpMeALeg3nPZhJEL r4rxjz3ZojkSJylPkdst5zHcQa8/bGCy8lR/+aeFCqzanntann3zpxuWC4PJugsdxYSf VyORN16rEWEFp39FjElWZPgTh5q8D08aSCyFsZgtaTk+M1hipN+E7nWl76IhxxdaHk/P K+rg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=ZvC5Ygzd6gbVP8NtAh30qzHzpl/bhx2z4pCtMRNmGCA=; b=mqBOTiebTSDE352AJXNrPTKpGumJoOTiptso5MASFSZQsAEFirKeCEzH8ihqE9MxRg lu08R2Is3NcyZrLJhiZJ5HXHQPkq4UAHPee3sCVKxzoQiO2txjFIxsF6Vr79jiSju5Ay jbRGWrNxhEcDslUcaOULODGOtQx1DL6AcuT6oRbsD64MEaXWM1QEFb4oIF4WBAgXC5YB w+SkqnXbfckzx/xK/E5WbGlvqfgpt1fR820vhhvw708JmaAnqAd8CGvgJopOosavOLR9 hkBTjBntpXMxH1lIV2YXXqGfwdXqkp/z7+YJx1WxqwMBQ3qxZwOtrrm9ZJuM19EbRcfQ 1fzA== X-Gm-Message-State: AOAM530NLul5oaWYUJ/gykD4Zgu0H8nG17KJTe5RNRO6J/4CnOfMwgNu 9ppAr9RnOnDoEI4xQRctiwZA4r9K4Ls= X-Google-Smtp-Source: ABdhPJzkXbYkUOoXNPBxmgOc/tU5EZp/j/GUswIG+cPU+/iXe2bnZnWqX+NlnyCUEgzsuTN29A+lTg== X-Received: by 2002:adf:ef03:: with SMTP id e3mr20546311wro.316.1626554476324; Sat, 17 Jul 2021 13:41:16 -0700 (PDT) Received: from localhost.localdomain (dynamic-2a01-0c22-7602-4e00-f22f-74ff-fe21-0725.c22.pool.telefonica.de. [2a01:c22:7602:4e00:f22f:74ff:fe21:725]) by smtp.googlemail.com with ESMTPSA id n7sm14078357wmq.37.2021.07.17.13.41.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 17 Jul 2021 13:41:16 -0700 (PDT) From: Martin Blumenstingl To: linux-wireless@vger.kernel.org Cc: tony0620emma@gmail.com, kvalo@codeaurora.org, johannes@sipsolutions.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Neo Jou , Jernej Skrabec , Martin Blumenstingl Subject: [PATCH RFC v1 6/7] rtw88: hci: Convert rf_lock from a spinlock to a mutex Date: Sat, 17 Jul 2021 22:40:56 +0200 Message-Id: <20210717204057.67495-7-martin.blumenstingl@googlemail.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210717204057.67495-1-martin.blumenstingl@googlemail.com> References: <20210717204057.67495-1-martin.blumenstingl@googlemail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Upcoming SDIO support may sleep in the read/write handlers. Switch rf_lock from a spinlock to a mutex to allow for this behavior. Signed-off-by: Martin Blumenstingl --- drivers/net/wireless/realtek/rtw88/hci.h | 11 ++++------- drivers/net/wireless/realtek/rtw88/main.c | 2 +- drivers/net/wireless/realtek/rtw88/main.h | 2 +- 3 files changed, 6 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw88/hci.h b/drivers/net/wireless/realtek/rtw88/hci.h index 4c6fc6fb3f83..3c730b7a94f7 100644 --- a/drivers/net/wireless/realtek/rtw88/hci.h +++ b/drivers/net/wireless/realtek/rtw88/hci.h @@ -166,12 +166,11 @@ static inline u32 rtw_read_rf(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path, u32 addr, u32 mask) { - unsigned long flags; u32 val; - spin_lock_irqsave(&rtwdev->rf_lock, flags); + mutex_lock(&rtwdev->rf_lock); val = rtwdev->chip->ops->read_rf(rtwdev, rf_path, addr, mask); - spin_unlock_irqrestore(&rtwdev->rf_lock, flags); + mutex_unlock(&rtwdev->rf_lock); return val; } @@ -180,11 +179,9 @@ static inline void rtw_write_rf(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path, u32 addr, u32 mask, u32 data) { - unsigned long flags; - - spin_lock_irqsave(&rtwdev->rf_lock, flags); + mutex_lock(&rtwdev->rf_lock); rtwdev->chip->ops->write_rf(rtwdev, rf_path, addr, mask, data); - spin_unlock_irqrestore(&rtwdev->rf_lock, flags); + mutex_unlock(&rtwdev->rf_lock); } static inline u32 diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c index e40432b1dcee..5ebc4c0b4ccc 100644 --- a/drivers/net/wireless/realtek/rtw88/main.c +++ b/drivers/net/wireless/realtek/rtw88/main.c @@ -1834,12 +1834,12 @@ int rtw_core_init(struct rtw_dev *rtwdev) skb_queue_head_init(&rtwdev->coex.queue); skb_queue_head_init(&rtwdev->tx_report.queue); - spin_lock_init(&rtwdev->rf_lock); spin_lock_init(&rtwdev->h2c.lock); spin_lock_init(&rtwdev->txq_lock); spin_lock_init(&rtwdev->tx_report.q_lock); mutex_init(&rtwdev->mutex); + mutex_init(&rtwdev->rf_lock); mutex_init(&rtwdev->coex.mutex); mutex_init(&rtwdev->hal.tx_power_mutex); diff --git a/drivers/net/wireless/realtek/rtw88/main.h b/drivers/net/wireless/realtek/rtw88/main.h index e5af375b3dd0..fd213252fbe2 100644 --- a/drivers/net/wireless/realtek/rtw88/main.h +++ b/drivers/net/wireless/realtek/rtw88/main.h @@ -1842,7 +1842,7 @@ struct rtw_dev { struct mutex mutex; /* read/write rf register */ - spinlock_t rf_lock; + struct mutex rf_lock; /* watch dog every 2 sec */ struct delayed_work watch_dog_work;