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 93F4AC04AAC for ; Mon, 20 May 2019 12:30:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 682B3214DA for ; Mon, 20 May 2019 12:30:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558355405; bh=N9QFeO4yQVMQCWzkv0CVm3igV/vAF6zg1t8BEEZGIbY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=gUelK7lada922IGPc4du3iWRvlbwveq/72NlPiI9dlIXnNX5IsyUQQfAI11IqU7Ja 6RCM1vBFDxW+mTNzX7nNcMdVBjgtiKsVSa6qOoFE3qpJkk7iD1P1a73yNVzbSn/lIX bHYyIY2T/d3h8ERFyt7m0m9hL+x9inD5KVz7Lu+0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390007AbfETMaD (ORCPT ); Mon, 20 May 2019 08:30:03 -0400 Received: from mail.kernel.org ([198.145.29.99]:46274 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390019AbfETMaC (ORCPT ); Mon, 20 May 2019 08:30:02 -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 96FDD20645; Mon, 20 May 2019 12:30:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558355402; bh=N9QFeO4yQVMQCWzkv0CVm3igV/vAF6zg1t8BEEZGIbY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UTYN4nPTb3+TFBbaPSImEcS2aed5ThrLf2/uU/EKJU5ow83PFZrq+fia7916yXczw MU2Ew7UCDsLK37W9T/awlSJ5iBPR2tbJ5GVhSnlGmoinNsWtj/BHDaMtm6RajtuWyF MRez9lFPlWZDR1Do1BBwJplPY02vCkR1Q7noaQQU= 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 5.0 064/123] crypto: ccree - HOST_POWER_DOWN_EN should be the last CC access during suspend Date: Mon, 20 May 2019 14:14:04 +0200 Message-Id: <20190520115249.067751301@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190520115245.439864225@linuxfoundation.org> References: <20190520115245.439864225@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@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; }