From patchwork Tue Dec 28 21:15:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Blumenstingl X-Patchwork-Id: 528798 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 D931BC3525A for ; Tue, 28 Dec 2021 21:15:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237515AbhL1VPe (ORCPT ); Tue, 28 Dec 2021 16:15:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33276 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237423AbhL1VP2 (ORCPT ); Tue, 28 Dec 2021 16:15:28 -0500 Received: from mail-wr1-x430.google.com (mail-wr1-x430.google.com [IPv6:2a00:1450:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 334FAC06173E; Tue, 28 Dec 2021 13:15:28 -0800 (PST) Received: by mail-wr1-x430.google.com with SMTP id v11so40542892wrw.10; Tue, 28 Dec 2021 13:15:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=RaQ9bvcWekXUuYk7Fwo10dE04Y9Sl54Vm+TM6HP1ZNg=; b=CXQvj0OPLuHE68Xk9fZ9itvAzS4vubdYUgpYgfgBKUBy+mWlxfRZYLDd4I+EOtiGmC xmLWNWYrSAA0Y1p3iwCQRpsdW589SWf5LzO0XdoPMFH4LoanaOE9aemiLChMtkSHniCY SVSavDt3dHzc9iGNbazs+8JntsIt6QXCgJCBXR8SL8PUvMf64+mXfJCW4gNV8Iw7Y5Vk Bqrv8SHQgr9T3dIa3r+/j+Qt5C0Oh3JrrlQFezvv9DqrcYurilwxje1UgxDdQ+kIC/68 oxn3cc+NObS8P8pzY1WL4EkAqAiE19ggVs1GsOZe7bA0eDCrV2MSG0z/Nu3tMVOpcvdR O40g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=RaQ9bvcWekXUuYk7Fwo10dE04Y9Sl54Vm+TM6HP1ZNg=; b=vE+isQ1Y5PvjtXn8cGHabJPURN/HjSD7MOAESB7f/mYSml0ZnKgWrhpkWBgSF0X7ax U/90BgYSiLqAHqvbtP4b5OSb7cIeCQrJaMWnmGFgF42OmggtNYaZl0YoaJT1MJzGy83O 73bLGtlFyrXP4Ob/AGLJ6dIvCPfTat66f1JlCRaBU5sfcjtnZF2bZMAN2l0vVbPGZQ9x JFfjZdZ6xeetqZqBtY5cqLEa2Yj6z2U6dGnA8WulgxESfE3yiiZgZTY7+c6PQmCRN4CM NxeYumpdoNrxh+uIIc10IA6LFCE6VlafBp0Zyxxf1FVC2GqbxgPDGEqC395sAhsm1ABD P1/A== X-Gm-Message-State: AOAM531lNv7X26SPuCnMQCGc2z/zWkcZOHGkhm/FVBOGvzq5AEq4+kFr bY33WJhRZsAEw9TBhiB+Kl2fyB45zfA= X-Google-Smtp-Source: ABdhPJxUkbn0/rXXvV4KL76p4YHj6BFPA6aTpn7t8ZKgSDewZ1C41tkCAOthuPTT+3H84FXszV6Ulg== X-Received: by 2002:adf:bb11:: with SMTP id r17mr18266752wrg.463.1640726126562; Tue, 28 Dec 2021 13:15:26 -0800 (PST) Received: from localhost.localdomain (dynamic-2a01-0c23-c1d2-d400-f22f-74ff-fe21-0725.c23.pool.telefonica.de. [2a01:c23:c1d2:d400:f22f:74ff:fe21:725]) by smtp.googlemail.com with ESMTPSA id o11sm21939036wmq.15.2021.12.28.13.15.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Dec 2021 13:15:26 -0800 (PST) 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 , Pkshih , Martin Blumenstingl Subject: [PATCH 9/9] rtw88: fw: Convert h2c.lock from a spinlock to a mutex Date: Tue, 28 Dec 2021 22:15:01 +0100 Message-Id: <20211228211501.468981-10-martin.blumenstingl@googlemail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211228211501.468981-1-martin.blumenstingl@googlemail.com> References: <20211228211501.468981-1-martin.blumenstingl@googlemail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Upcoming SDIO support may sleep in the read/write handlers. Switch the h2c.lock from a spinlock to a mutex to allow for this behavior. Signed-off-by: Martin Blumenstingl --- drivers/net/wireless/realtek/rtw88/fw.c | 14 +++++++------- drivers/net/wireless/realtek/rtw88/main.c | 2 +- drivers/net/wireless/realtek/rtw88/main.h | 2 +- 3 files changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw88/fw.c b/drivers/net/wireless/realtek/rtw88/fw.c index 2f7c036f9022..1bff43c14a05 100644 --- a/drivers/net/wireless/realtek/rtw88/fw.c +++ b/drivers/net/wireless/realtek/rtw88/fw.c @@ -317,7 +317,7 @@ static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev, h2c[3], h2c[2], h2c[1], h2c[0], h2c[7], h2c[6], h2c[5], h2c[4]); - spin_lock(&rtwdev->h2c.lock); + mutex_lock(&rtwdev->h2c.lock); box = rtwdev->h2c.last_box_num; switch (box) { @@ -342,9 +342,9 @@ static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev, goto out; } - ret = read_poll_timeout_atomic(rtw_read8, box_state, - !((box_state >> box) & 0x1), 100, 3000, - false, rtwdev, REG_HMETFR); + ret = read_poll_timeout(rtw_read8, box_state, + !((box_state >> box) & 0x1), 100, 3000, false, + rtwdev, REG_HMETFR); if (ret) { rtw_err(rtwdev, "failed to send h2c command\n"); @@ -360,7 +360,7 @@ static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev, rtwdev->h2c.last_box_num = 0; out: - spin_unlock(&rtwdev->h2c.lock); + mutex_unlock(&rtwdev->h2c.lock); } void rtw_fw_h2c_cmd_dbg(struct rtw_dev *rtwdev, u8 *h2c) @@ -372,7 +372,7 @@ static void rtw_fw_send_h2c_packet(struct rtw_dev *rtwdev, u8 *h2c_pkt) { int ret; - spin_lock(&rtwdev->h2c.lock); + mutex_lock(&rtwdev->h2c.lock); FW_OFFLOAD_H2C_SET_SEQ_NUM(h2c_pkt, rtwdev->h2c.seq); ret = rtw_hci_write_data_h2c(rtwdev, h2c_pkt, H2C_PKT_SIZE); @@ -380,7 +380,7 @@ static void rtw_fw_send_h2c_packet(struct rtw_dev *rtwdev, u8 *h2c_pkt) rtw_err(rtwdev, "failed to send h2c packet\n"); rtwdev->h2c.seq++; - spin_unlock(&rtwdev->h2c.lock); + mutex_unlock(&rtwdev->h2c.lock); } void diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c index a94678effd77..e883f5ecf307 100644 --- a/drivers/net/wireless/realtek/rtw88/main.c +++ b/drivers/net/wireless/realtek/rtw88/main.c @@ -1920,12 +1920,12 @@ 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->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->h2c.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 e7a60e6f8596..495a28028ac0 100644 --- a/drivers/net/wireless/realtek/rtw88/main.h +++ b/drivers/net/wireless/realtek/rtw88/main.h @@ -1975,7 +1975,7 @@ struct rtw_dev { /* incicate the mail box to use with fw */ u8 last_box_num; /* protect to send h2c to fw */ - spinlock_t lock; + struct mutex lock; u32 seq; } h2c;