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=-6.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,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 420C6C04AAC for ; Mon, 20 May 2019 12:24:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 17ED521019 for ; Mon, 20 May 2019 12:24:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558355088; bh=N9QFeO4yQVMQCWzkv0CVm3igV/vAF6zg1t8BEEZGIbY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=J67OelsLt0hy9oK42RIediFFKi/gs2mYm/D1uf0WrpWVCBPa59b88J7nrwqmoMtUd 4elG4hNDcdcmH+oLfqai1TGkDQu7t0Qoab2ie/+/RwZDtjQKcgc9S5mr95vzltmYmt neiF6KnOcP/D9jp/q80GzPzhVfBJ1Qwhl9wUup9M= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388914AbfETMYr (ORCPT ); Mon, 20 May 2019 08:24:47 -0400 Received: from mail.kernel.org ([198.145.29.99]:39666 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388502AbfETMYp (ORCPT ); Mon, 20 May 2019 08:24:45 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3568421479; Mon, 20 May 2019 12:24:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558355084; bh=N9QFeO4yQVMQCWzkv0CVm3igV/vAF6zg1t8BEEZGIbY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ahne2PDQSWZq8HCKGvhI9xFDo26wLPwCLzV+WBr0bt4q1qC263BVV18NUbP2uqZjU qYzafox2TF8bwAMoSxp0nrVpUabnPxRR+OS0uQjresGdHxLkQiS9+fcjjhcpzW3opX PI9D0xuJoKMaaqf5mVh3QLs4Kc8SchpI79wc/vzE= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Ofir Drang , Gilad Ben-Yossef , Herbert Xu Subject: [PATCH 4.19 050/105] crypto: ccree - HOST_POWER_DOWN_EN should be the last CC access during suspend Date: Mon, 20 May 2019 14:13:56 +0200 Message-Id: <20190520115250.492893602@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190520115247.060821231@linuxfoundation.org> References: <20190520115247.060821231@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ofir Drang commit 3499efbeed39d114873267683b9e776bcb34b058 upstream. During power management suspend the driver need to prepare the device for the power down operation and as a last indication write to the HOST_POWER_DOWN_EN register which signals to the hardware that The ccree is ready for power down. Signed-off-by: Ofir Drang Signed-off-by: Gilad Ben-Yossef Cc: stable@vger.kernel.org # v4.19+ Signed-off-by: Herbert Xu Signed-off-by: Greg Kroah-Hartman --- drivers/crypto/ccree/cc_pm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/crypto/ccree/cc_pm.c +++ b/drivers/crypto/ccree/cc_pm.c @@ -25,13 +25,13 @@ int cc_pm_suspend(struct device *dev) int rc; dev_dbg(dev, "set HOST_POWER_DOWN_EN\n"); - cc_iowrite(drvdata, CC_REG(HOST_POWER_DOWN_EN), POWER_DOWN_ENABLE); rc = cc_suspend_req_queue(drvdata); if (rc) { dev_err(dev, "cc_suspend_req_queue (%x)\n", rc); return rc; } fini_cc_regs(drvdata); + cc_iowrite(drvdata, CC_REG(HOST_POWER_DOWN_EN), POWER_DOWN_ENABLE); cc_clk_off(drvdata); return 0; }