From patchwork Mon May 20 12:14:03 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 164630 Delivered-To: patch@linaro.org Received: by 2002:a92:9e1a:0:0:0:0:0 with SMTP id q26csp242418ili; Mon, 20 May 2019 05:45:43 -0700 (PDT) X-Google-Smtp-Source: APXvYqzlCshyBlzX+Kc1OOdR1LjjMDLU9L19NBMJw+TvPPJ8zJB686MdTuKhqsjVXdz1MpgQsEKw X-Received: by 2002:a63:db4e:: with SMTP id x14mr60070645pgi.119.1558356343847; Mon, 20 May 2019 05:45:43 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1558356343; cv=none; d=google.com; s=arc-20160816; b=SRq2gkGYax3YABvD+QkUq6w7Pfoqfv2lSTvU8+mvca/4xloiYMPWEgxGg96zW6aNfd vZhn/8A/l/D+t9x9vXnt1BIu21Cdun6TETJLVyrnJ0cIxNDe5sPqjDHXivd+scGw3nXW HT7Yu6dC6dw5Rro1ZyGCmlhogkIdYBqnpLslPVRHirhGlirzvZp5gpnF8F35/cNENCxp fkdYgWxCysSfI7sORzE19XNhDslwmlH9xIvy+zlCpvmha6CQ4f18Dz8vbzd3XoBa5gxH 8XTamz/Gl3iFBOZ085V20hFA8W4E17FkS9yVdE/vtKN8n/PTUF3AFQqXhPFDKwSyLpfz dUog== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :user-agent:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=7VDXYu1Vil/45PCSSpHKBrSUhZb+7wVJ3dTnv4Vglp8=; b=Ogt1KlbryzIEedEboUL3quOmA29QJqXqR76WIhWNEWHxEm6Dp2pMF9n6B0D1tW7uYj 0JoTQMcZg2EcoTG2ZzXKojp93t6MitsUFMyuMODUxMddg/4DXb6wYYiGWk1P8Ope6xcs QzDc1faFVxvbdeBdx8UZjBXIgcQCINoKXeg77TGK9tjtlCBMWBoLTIT91pxMmpwDnh89 nRqgTPhGgTlTsH2oWhGavwkXBDnGWIaQt2T8FpEipw/TwxYtjyDbvKN0jvm7sFAnPt+v nQ/VOQUSQCFzq+/LS27R87S+pRebzyh/w195KT5RRUrUYeGuMmTonolqTG0q1Z2Xb5mb AxBw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=HSizXNwL; spf=pass (google.com: best guess record for domain of stable-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=stable-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id e11si12396932pgv.569.2019.05.20.05.45.42; Mon, 20 May 2019 05:45:43 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of stable-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=HSizXNwL; spf=pass (google.com: best guess record for domain of stable-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=stable-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390032AbfETMmg (ORCPT + 14 others); Mon, 20 May 2019 08:42:36 -0400 Received: from mail.kernel.org ([198.145.29.99]:46178 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390010AbfETM37 (ORCPT ); Mon, 20 May 2019 08:29:59 -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 F1D9220675; Mon, 20 May 2019 12:29:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558355399; bh=Uw0pF31YOHlAKBRVzNCneThPQgBmKK3R8VVsUrLP+AI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HSizXNwLMrzv5tjiYYDJltPfFOAkrCLVw1zWp/Oq77qZ5wFjbZxTG2cO+7MqiCBBG 5ffHJHv0FxNf11C/oNNlPCqK+Fp1zQi1kS22gYAYcsCm60eBuYK35UwGYtg85d8iiW BM5ug6FOvLyeK3DAnEBtOcAUmKQjgm3+eEdz1SrU= 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 5.0 063/123] crypto: ccree - pm resume first enable the source clk Date: Mon, 20 May 2019 14:14:03 +0200 Message-Id: <20190520115248.994423542@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 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);