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: 13417971 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8DA2FCDB47E for ; Wed, 11 Oct 2023 21:16:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:Cc:To:From: Subject:Message-ID:Mime-Version:Date:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=AkMbkjU0vEq64RoxC9mx2kutRLIWzBPilt+kMErOBXk=; b=Li08vnArtJ98jJKpttqBkqk+4W MYlm+APdMriXVdn9jvNtfU0Co8a2/gav21cr+XujjJiJoxa+qGogjnNxF3W8MRBqN4yjef7uYikW3 yDba/zXYKP8EfMU9fUthwmekzUl33RIg0SbLs7PEIkosXXoJxvDwjpKJrvOT0e3TvbuyZL/ulVmW0 gd8RHAezbxsm0MrS9/0VUjNFUob3yj22gGSO5uOQVO1bcWYfbNBJ9Z5Q5fjA0EaupA/VmN68f8SJH WFr99aaBSLza3TBUcw6qcO/3MbptZODNvvWj2p+CM0d7JRsjAWEvVjWxmfFBAGrOfU1bZzsjFB4dO qWJYyQ5Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qqgZR-00Gj6M-37; Wed, 11 Oct 2023 21:16:45 +0000 Received: from mail-yb1-xb49.google.com ([2607:f8b0:4864:20::b49]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qqgZO-00Gj54-06 for linux-mediatek@lists.infradead.org; Wed, 11 Oct 2023 21:16:43 +0000 Received: by mail-yb1-xb49.google.com with SMTP id 3f1490d57ef6-d86dac81f8fso374278276.1 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=lists.infradead.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=AkMbkjU0vEq64RoxC9mx2kutRLIWzBPilt+kMErOBXk=; b=VfQ7w6OrbDxH7Q2oUV/f28B23etzfifbH4z3UJ+hIFLrA+QzZLRjKTPmqjRQ6k48HV q//KpTOSDNIf/vreUaBpR36xLEWo8AhJvng+YuQu2DtMJf4zOFzncPQJ4h8YvLrugHG2 jocI99GuTayGKm506AFsaf5KKDvtbSfof0Wec5EK2n/avHQ5nnEc5OAoFBWRv8U1syTS CUWJ5gyFsQsZKaWGgiSpfRbU+hFNCtzeuKifJBgsrZVP2evTHK9Cti3U0L2wje1JSTF0 gj7cATnlNIN2vwRLthEbRqDuceQX30IMyN8+69eitSzzkgjexmFaz7aumDfvr/MFzwc/ oAdA== 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=j5B0esZTKWYAHgknyYYhZtMih16qEMJCrKO4dytu2QboxAtqfDjbpd4ZpDuCc00uUk bMuBMNCVPhG5TmF8mUrob3EaHVBMI+RwnZVniDdc4V4mNtQh3uafndvvHjAY4fH0CiOD /4Xel0eSkVZpEGXZg08aosGtaIA9ZiPvk7WGsKgbIDrkUQ8H5JSSOK8dGJK4ReJXQ7SY L+4nr/didnAtFP8aoV56p5i7OGUwL1Ni44K6XvwEQGPWiknYjnWWpOeMV6L5CWyUHA0I DgMh7gsxKNHpKQR/5fP2/gZn8Vf7awzAd8GjQLh3gejnoHmVAFDhdbSPpwh4Mx0TSxQ/ LI5w== X-Gm-Message-State: AOJu0YznaSjDv0xNd3yITeQpIZHhxVEsvonTd/X51xVGx0xDc3QJfyNZ RFECm0jBPpLa0WSzu6XhIhQiROkxWCnq 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231011_141642_085759_8A49420B X-CRM114-Status: GOOD ( 11.40 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.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