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=unavailable 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 10196C04AAC for ; Mon, 20 May 2019 12:47:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D96B420645 for ; Mon, 20 May 2019 12:47:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558356425; bh=Uw0pF31YOHlAKBRVzNCneThPQgBmKK3R8VVsUrLP+AI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=lvTFctJl9mbqI2Wxe0wU51X5k/IuGoZ0NUrWgIy/dY0mWD4/x/YuerPqPdDkrrGYz sIW23NZY38rg7QT5zChZOWx2KgGn78IWqMGl4GWoTJqJ8JSFQWzc+PrC+cejY8ADVZ pJs33SgcSuIy/xVv2+S3PlTM5dhEP+lHzpWIDyko= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732248AbfETMrA (ORCPT ); Mon, 20 May 2019 08:47:00 -0400 Received: from mail.kernel.org ([198.145.29.99]:39634 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388895AbfETMYm (ORCPT ); Mon, 20 May 2019 08:24:42 -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 6909D216C4; Mon, 20 May 2019 12:24:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558355081; bh=Uw0pF31YOHlAKBRVzNCneThPQgBmKK3R8VVsUrLP+AI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fHXknbxcp5YuhxEXK4Em1yXF48PFoRnubZ9VZfxZ8NSWLy1wS/iY1p6RYqeUdhawo zzATjQYDqgQ/a4maLa2YxlpLhVnK9A7hTSeWHF54zMiKZYqA95FsDtKRduznkiAFnA 4sXjcBewaxzjuhhb6PDjQTj0rtBWmO9NwUSaTwAU= 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 4.19 049/105] crypto: ccree - pm resume first enable the source clk Date: Mon, 20 May 2019 14:13:55 +0200 Message-Id: <20190520115250.419216080@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: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Ofir Drang commit 7766dd774d80463cec7b81d90c8672af91de2da1 upstream. On power management resume function first enable the device clk source to allow access to the device registers. 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 | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) --- a/drivers/crypto/ccree/cc_pm.c +++ b/drivers/crypto/ccree/cc_pm.c @@ -42,14 +42,15 @@ int cc_pm_resume(struct device *dev) struct cc_drvdata *drvdata = dev_get_drvdata(dev); dev_dbg(dev, "unset HOST_POWER_DOWN_EN\n"); - cc_iowrite(drvdata, CC_REG(HOST_POWER_DOWN_EN), POWER_DOWN_DISABLE); - + /* Enables the device source clk */ rc = cc_clk_on(drvdata); if (rc) { dev_err(dev, "failed getting clock back on. We're toast.\n"); return rc; } + cc_iowrite(drvdata, CC_REG(HOST_POWER_DOWN_EN), POWER_DOWN_DISABLE); + rc = init_cc_regs(drvdata, false); if (rc) { dev_err(dev, "init_cc_regs (%x)\n", rc);