From patchwork Thu Jun 10 12:01:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bough Chen X-Patchwork-Id: 458158 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, 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 849CCC47094 for ; Thu, 10 Jun 2021 12:19:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6985B60FF0 for ; Thu, 10 Jun 2021 12:19:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230304AbhFJMVe (ORCPT ); Thu, 10 Jun 2021 08:21:34 -0400 Received: from inva020.nxp.com ([92.121.34.13]:52564 "EHLO inva020.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230284AbhFJMVd (ORCPT ); Thu, 10 Jun 2021 08:21:33 -0400 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 71D041A054F; Thu, 10 Jun 2021 14:19:36 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 inva020.eu-rdc02.nxp.com 71D041A054F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=nselector3; t=1623327576; bh=EZ3FppNteKzYjJs/t69gGzPnD6M6vtQMyzx3Nj0MQVk=; h=From:To:Cc:Subject:Date:From; b=VrMAm9HqxBt+7ZuJx+/d8y9PpQ0Oj8ywJNH4xSPFMyBvnc31bnwxcqIY7vYZSXVn2 b3dT4JXfx/HivwIiEIstoedWcQEga3+tzaMSi87BT68t+Z7xdb/PKEWESYDDXyL3jD gPKtCYsR0rub9SoTKthMdXs78ZTxhFlBJfQNn2w8tsg5AcIK6TKYiQb5jkaqES2Qfa qh0wr3M8LXGkZcDr7zEXOnVhcIDF5dWeUyLSlskdOyhvc12DAPQ6c1ZRhvDEhjGPsQ eAyv3Vaji8fafhTTkhLGtUZY8tYa7UgMNouXoIfWqgRNNvA18a4FlDSugBABXA3eTz C+F/t8jjba6zg== Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id B81B61A2DAE; Thu, 10 Jun 2021 14:19:32 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 inva020.eu-rdc02.nxp.com B81B61A2DAE Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id DF72F402CF; Thu, 10 Jun 2021 20:19:27 +0800 (+08) From: haibo.chen@nxp.com To: adrian.hunter@intel.com, ulf.hansson@linaro.org Cc: shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-mmc@vger.kernel.org, linux-imx@nxp.com, haibo.chen@nxp.com Subject: [PATCH] mmc: sdhci-esdhc-imx: add sdio wakeup feature Date: Thu, 10 Jun 2021 20:01:26 +0800 Message-Id: <1623326486-25275-1-git-send-email-haibo.chen@nxp.com> X-Mailer: git-send-email 2.7.4 X-Virus-Scanned: ClamAV using ClamSMTP Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org From: Haibo Chen Set the wakeup capability for the SDIO device which can wakeup system. And user can enable this wakeup through sysfs interface. Signed-off-by: Haibo Chen --- drivers/mmc/host/sdhci-esdhc-imx.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index 7336ae749137..72c0bf0c1887 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -1620,6 +1620,14 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev) if (err) goto disable_ahb_clk; + /* + * Setup the wakeup capability here, let user to decide + * whether need to enable this wakeup through sysfs interface. + */ + if ((host->mmc->pm_caps & MMC_PM_KEEP_POWER) && + (host->mmc->pm_caps & MMC_PM_WAKE_SDIO_IRQ)) + device_set_wakeup_capable(&pdev->dev, true); + pm_runtime_set_active(&pdev->dev); pm_runtime_set_autosuspend_delay(&pdev->dev, 50); pm_runtime_use_autosuspend(&pdev->dev);