From mboxrd@z Thu Jan 1 00:00:00 1970 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=-10.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 E57B2C2BB86 for ; Sat, 11 Apr 2020 23:16:35 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id B7BF820757 for ; Sat, 11 Apr 2020 23:16:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="nlfuIV4p"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="kvm8IDuQ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B7BF820757 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=KWQQO+4PFtOsr1KYa+f9XMwZqBvSvlXvAQrauCpBh3c=; b=nlfuIV4p1pM/Mb P8uq5Txu414/j7tJf9lRT3/alZImsfWUeBJST7ANX1YdfBCskcuX1iDMwdZ+fguiC/Oy4orEQweB8 ZBBfJida396DnU0T1o25DsBGVDIhw+m9y5lwnkyywW8huanxUkdPc37OZQd87sErSLVMVMMbSELY5 gcs/uc7EHBjLBMBG7afisSebHM21+L/9bs958IzcA4Fv9fqXkYG+dsnVc3/RiwcUxVmgyMKQwC5ez TeEc9syTyGGo0zWyUGsN30FX2UN2Mcb0o1pyNJXYxdwDNh27LoLzhzROkTRgaeM8Ig2FkgO9XFqu2 fiCUnvXy7QGkJMrmXviQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jNPMV-0006Cl-EW; Sat, 11 Apr 2020 23:16:31 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jNPG3-0003kt-Vv for linux-arm-kernel@lists.infradead.org; Sat, 11 Apr 2020 23:09:53 +0000 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D943120757; Sat, 11 Apr 2020 23:09:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586646591; bh=CoNRyxANqknyvtD2tPaGjioGwzJ8nFozoxNEckOKVls=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kvm8IDuQDUkuo//oBEn10Zr5VmnthWhk2/1KPGpEXHq2vbthdYsSbEepESjb0ljsu bT8iTiFQuvqafhplKwpKUFumwUXF12TAeFZIeYPItk702fq0a5ApK2Rz8iIuaoyCka J4OUUF1BIi1JRSU9UDyl1OuDojT50+O5CYIGEnew= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH AUTOSEL 5.4 006/108] mmc: sdhci-esdhc-imx: restore pin state when resume back Date: Sat, 11 Apr 2020 19:08:01 -0400 Message-Id: <20200411230943.24951-6-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200411230943.24951-1-sashal@kernel.org> References: <20200411230943.24951-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200411_160952_051017_1EEAA108 X-CRM114-Status: GOOD ( 12.12 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sasha Levin , Ulf Hansson , linux-mmc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Haibo Chen Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Haibo Chen [ Upstream commit af8fade4bd7bc7bf49851832a20166213e032978 ] In some low power mode, SoC will lose the pin state, so need to restore the pin state when resume back. Signed-off-by: Haibo Chen Link: https://lore.kernel.org/r/1582100757-20683-8-git-send-email-haibo.chen@nxp.com Signed-off-by: Ulf Hansson Signed-off-by: Sasha Levin --- drivers/mmc/host/sdhci-esdhc-imx.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index dccb4df465126..ca1566d4ccab1 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -1624,7 +1624,11 @@ static int sdhci_esdhc_suspend(struct device *dev) if (host->tuning_mode != SDHCI_TUNING_MODE_3) mmc_retune_needed(host->mmc); - return sdhci_suspend_host(host); + ret = sdhci_suspend_host(host); + if (!ret) + return pinctrl_pm_select_sleep_state(dev); + + return ret; } static int sdhci_esdhc_resume(struct device *dev) @@ -1632,6 +1636,10 @@ static int sdhci_esdhc_resume(struct device *dev) struct sdhci_host *host = dev_get_drvdata(dev); int ret; + ret = pinctrl_pm_select_default_state(dev); + if (ret) + return ret; + /* re-initialize hw state in case it's lost in low power mode */ sdhci_esdhc_imx_hwinit(host); -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel