From patchwork Wed Oct 11 21:16:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhengping Jiang X-Patchwork-Id: 13417972 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 D040ACDB47E for ; Wed, 11 Oct 2023 21:16:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233558AbjJKVQm (ORCPT ); Wed, 11 Oct 2023 17:16:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42356 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233519AbjJKVQl (ORCPT ); Wed, 11 Oct 2023 17:16:41 -0400 Received: from mail-yb1-xb4a.google.com (mail-yb1-xb4a.google.com [IPv6:2607:f8b0:4864:20::b4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 63ECBA9 for ; Wed, 11 Oct 2023 14:16:39 -0700 (PDT) Received: by mail-yb1-xb4a.google.com with SMTP id 3f1490d57ef6-d918aef0d0dso363473276.3 for ; Wed, 11 Oct 2023 14:16:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1697058998; x=1697663798; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=AkMbkjU0vEq64RoxC9mx2kutRLIWzBPilt+kMErOBXk=; b=viwZ6khh+pCy12HXp+3i4C2faf8ibwIfdTcWmQp9SYSsN1/Og84W5amWj/g/L+6Xxp Jhz/bvk+NqhIHvb13OiY+MCvx/yLnAUdvWVe1oKQQdnPITCmJcCGrnQuQNOcXkxTJd0x mpOg2HZjEuz9xUsh/PwD1IIKzEm54xgZDzXfa4uEuUzmTNLf8e7ApnEA72oJVJVieU63 GHdyFgPk+J87teZ4yIBUQjNdkXVsFMwbb+tMgBbWWg7aWTEcveut7KLxqnb8sdA84OgL +Mvz7rOnFau1cjNwdeW8VEioeObD0cwri3E/vs1c8Q6ICaM/uvoz9JuJs6JMzXD3xPHY O7lQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697058998; x=1697663798; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=AkMbkjU0vEq64RoxC9mx2kutRLIWzBPilt+kMErOBXk=; b=s3nddhwdsQvhL56ARUL4K7WegGlKWbX/EeAldhKl4Q1o85SaxNIiuhFCE3jgHMqLmm /B8cfQgEWAtsgmkrL6Y/lAk+arJOzHlFagfwzjragKYf7Oi9AIOuQaKxoLBJ5a9Z3zxr W2e2W1sj05n04WUawBBvXcrOpWybEsOgOV9dZASefLM2jJ2w6qBrGnMLneyg52Xg119M eHx2OS7yrdgfGtU6v8ZwcC3EpJV1EnLCghO3DY4lKsrL1o5LQsahdxZzP2/kKXivul1m wz9oymC8RDG2nRIe5nJXX12GuHnh7ge9kmn0CVvs8VIEg9LU7fo/ziXyercZo09T2pOm vioA== X-Gm-Message-State: AOJu0Yw8r5Ke0jIiv0ZbCC+nWgWnpZEr+quWNIl23EADW16MKW7xGmRj vy9VhgL86m1yexjOzuLrPClhrensqIk64g7Nlu1Tggjw2BJ/lzQhs2X+pkIX+UqjnhNLcnmCJk1 c20UxmK+c0OqqB7m1t1hqw+9CZLcSg64iQZ2n9fJ5at1ng1Kxa+eIjC0lHv0G14IFRB95jwKHYa 9W X-Google-Smtp-Source: AGHT+IGAzhuTPA8xuaGd0/MIYrNSNCXikipR4gkbaclFwt1ULUI/01TDo30ZPmFJEvB4ZjHJwjhJuCAIPgXw X-Received: from jiangzp-glinux-dev.c.googlers.com ([fda3:e722:ac3:cc00:20:ed76:c0a8:38e4]) (user=jiangzp job=sendgmr) by 2002:a25:828c:0:b0:d9a:bc5a:737c with SMTP id r12-20020a25828c000000b00d9abc5a737cmr10169ybk.4.1697058998406; Wed, 11 Oct 2023 14:16:38 -0700 (PDT) Date: Wed, 11 Oct 2023 14:16:31 -0700 Mime-Version: 1.0 X-Mailer: git-send-email 2.42.0.609.gbb76f46606-goog Message-ID: <20231011141631.kernel.v1.1.I6dbfc1fedddf0633b55ce7e7a10ef7f3929a9bdc@changeid> Subject: [kernel PATCH v1] btmtksdio: enable bluetooth wakeup in system suspend From: Zhengping Jiang To: linux-bluetooth@vger.kernel.org, marcel@holtmann.org, luiz.dentz@gmail.com Cc: chromeos-bluetooth-upstreaming@chromium.org, Zhengping Jiang , AngeloGioacchino Del Regno , Johan Hedberg , Matthias Brugger , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org The BTMTKSDIO_BT_WAKE_ENABLED flag is set for bluetooth interrupt during system suspend and increases wakeup count for bluetooth event. Signed-off-by: Zhengping Jiang --- Changes in v1: - Add BTMTKSDIO_BT_WAKE_ENABLED flag - Call pm_wakeup_event in btmtksdio_interrupt drivers/bluetooth/btmtksdio.c | 36 +++++++++++++++++++++++++++++++++-- 1 file changed, 34 insertions(+), 2 deletions(-) diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c index f9a3444753c2..ddc04ce5c6d4 100644 --- a/drivers/bluetooth/btmtksdio.c +++ b/drivers/bluetooth/btmtksdio.c @@ -118,6 +118,7 @@ MODULE_DEVICE_TABLE(sdio, btmtksdio_table); #define BTMTKSDIO_FUNC_ENABLED 3 #define BTMTKSDIO_PATCH_ENABLED 4 #define BTMTKSDIO_HW_RESET_ACTIVE 5 +#define BTMTKSDIO_BT_WAKE_ENABLED 6 struct mtkbtsdio_hdr { __le16 len; @@ -620,6 +621,12 @@ static void btmtksdio_interrupt(struct sdio_func *func) { struct btmtksdio_dev *bdev = sdio_get_drvdata(func); + if (test_bit(BTMTKSDIO_BT_WAKE_ENABLED, &bdev->tx_state)) { + if (bdev->hdev->suspended) + pm_wakeup_event(bdev->dev, 0); + clear_bit(BTMTKSDIO_BT_WAKE_ENABLED, &bdev->tx_state); + } + /* Disable interrupt */ sdio_writel(bdev->func, C_INT_EN_CLR, MTK_REG_CHLPCR, 0); @@ -1454,6 +1461,23 @@ static int btmtksdio_runtime_suspend(struct device *dev) return err; } +static int btmtksdio_system_suspend(struct device *dev) +{ + struct sdio_func *func = dev_to_sdio_func(dev); + struct btmtksdio_dev *bdev; + + bdev = sdio_get_drvdata(func); + if (!bdev) + return 0; + + if (!test_bit(BTMTKSDIO_FUNC_ENABLED, &bdev->tx_state)) + return 0; + + set_bit(BTMTKSDIO_BT_WAKE_ENABLED, &bdev->tx_state); + + return btmtksdio_runtime_suspend(dev); +} + static int btmtksdio_runtime_resume(struct device *dev) { struct sdio_func *func = dev_to_sdio_func(dev); @@ -1474,8 +1498,16 @@ static int btmtksdio_runtime_resume(struct device *dev) return err; } -static UNIVERSAL_DEV_PM_OPS(btmtksdio_pm_ops, btmtksdio_runtime_suspend, - btmtksdio_runtime_resume, NULL); +static int btmtksdio_system_resume(struct device *dev) +{ + return btmtksdio_runtime_resume(dev); +} + +const struct dev_pm_ops __maybe_unused btmtksdio_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(btmtksdio_system_suspend, btmtksdio_system_resume) + SET_RUNTIME_PM_OPS(btmtksdio_runtime_suspend, btmtksdio_runtime_resume, NULL) +}; + #define BTMTKSDIO_PM_OPS (&btmtksdio_pm_ops) #else /* CONFIG_PM */ #define BTMTKSDIO_PM_OPS NULL