From patchwork Wed Jan 29 09:26:01 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Naveen Krishna Chatradhi X-Patchwork-Id: 3550321 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id BCE08C02DC for ; Wed, 29 Jan 2014 09:28:37 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C8A842017A for ; Wed, 29 Jan 2014 09:28:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B932E20170 for ; Wed, 29 Jan 2014 09:28:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751692AbaA2J2R (ORCPT ); Wed, 29 Jan 2014 04:28:17 -0500 Received: from mailout3.samsung.com ([203.254.224.33]:16677 "EHLO mailout3.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752558AbaA2J0I (ORCPT ); Wed, 29 Jan 2014 04:26:08 -0500 Received: from epcpsbgr3.samsung.com (u143.gpu120.samsung.co.kr [203.254.230.143]) by mailout3.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0N050096ROVJUO40@mailout3.samsung.com>; Wed, 29 Jan 2014 18:26:07 +0900 (KST) Received: from epcpsbgm1.samsung.com ( [172.20.52.124]) by epcpsbgr3.samsung.com (EPCPMTA) with SMTP id 15.06.10092.F29C8E25; Wed, 29 Jan 2014 18:26:07 +0900 (KST) X-AuditID: cbfee68f-b7f156d00000276c-26-52e8c92fb7a4 Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm1.samsung.com (EPCPMTA) with SMTP id 1A.AA.29263.F29C8E25; Wed, 29 Jan 2014 18:26:07 +0900 (KST) Received: from username-ubuntu.sisodomain.com ([107.108.83.161]) by mmp1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0N0500AT9OVEWZ90@mmp1.samsung.com>; Wed, 29 Jan 2014 18:26:07 +0900 (KST) From: Naveen Krishna Chatradhi To: linux-crypto@vger.kernel.org, linux-samsung-soc@vger.kernel.org Cc: linux-kernel@vger.kernel.org, vzapolskiy@gmail.com, herbert@gondor.apana.org.au, naveenkrishna.ch@gmail.com, cpgs@samsung.com, devicetree@vger.kernel.org Subject: [PATCH 8/9 v5] crypto:s5p-sss: Use clk_prepare/clk_unprepare Date: Wed, 29 Jan 2014 14:56:01 +0530 Message-id: <1390987561-18914-1-git-send-email-ch.naveen@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1389354331-32142-1-git-send-email-ch.naveen@samsung.com> References: <1389354331-32142-1-git-send-email-ch.naveen@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrCLMWRmVeSWpSXmKPExsWyRsSkRlf/5Isgg+nbBCxeHtK0mH/kHKtF 9ysZi/v3fjJZXN41h81ixvl9TBaLtv1ntjg75xCTA4fHzll32T22HVD16NuyitHj8ya5AJYo LpuU1JzMstQifbsEroz2xz9YCy5wVcye3MfawPiQo4uRk0NCwERi8sn57BC2mMSFe+vZuhi5 OIQEljJKPD59ghWm6ObqhUwQiUWMEm+2PmCEcPqZJHZM3MoGUsUmYCZxcNFqsFEiAs4Sv5vX sIIUMQssZJRY9e0vM0hCWMBVYnnDNSYQm0VAVeJb33ywOC9QvH3jYaAGDqB1ChJzJtmAhDkF 3CTuz3jFAmILAZU8nDoBbKaEwDx2iVNHn7BDzBGQ+Db5EAtEr6zEpgPMEFdLShxccYNlAqPw AkaGVYyiqQXJBcVJ6UXGesWJucWleel6yfm5mxiBIX7637P+HYx3D1gfYkwGGjeRWUo0OR8Y I3kl8YbGZkYWpiamxkbmlmakCSuJ895/mBQkJJCeWJKanZpakFoUX1Sak1p8iJGJg1OqgXFT FfeXwqkftNc337u1N/Jk9LLjPDL93GlxOxMmKi75NjW/OCP90OmtxozpT1zrjs5aHrLC9uqZ 868btJ21u5p9VCqY2/J4kufyupzi+sZ4N/f4uqzIkimhjvXr+S8v+FUpunyejpd3wqXa8GeP mi4dLbc2nMTDJ2ChzFpz8YXc0gmtSxmvH1BiKc5INNRiLipOBADAsNbfhwIAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrIIsWRmVeSWpSXmKPExsVy+t9jAV39ky+CDFau5rB4eUjTYv6Rc6wW 3a9kLO7f+8lkcXnXHDaLGef3MVks2vaf2eLsnENMDhweO2fdZffYdkDVo2/LKkaPz5vkAlii GhhtMlITU1KLFFLzkvNTMvPSbZW8g+Od403NDAx1DS0tzJUU8hJzU22VXHwCdN0yc4COUFIo S8wpBQoFJBYXK+nbYZoQGuKmawHTGKHrGxIE12NkgAYS1jBmtD/+wVpwgati9uQ+1gbGhxxd jJwcEgImEjdXL2SCsMUkLtxbz9bFyMUhJLCIUeLN1geMEE4/k8SOiVvZQKrYBMwkDi5azQ5i iwg4S/xuXsMKUsQssJBRYtW3v8wgCWEBV4nlDdfAxrIIqEp865sPFucFirdvPAzUwAG0TkFi ziQbkDCngJvE/RmvWEBsIaCSh1MnsE5g5F3AyLCKUTS1ILmgOCk911CvODG3uDQvXS85P3cT IziCnkntYFzZYHGIUYCDUYmHd8XF50FCrIllxZW5hxglOJiVRHhPbHoRJMSbklhZlVqUH19U mpNafIgxGeioicxSosn5wOjOK4k3NDYxNzU2tTSxMDGzJE1YSZz3QKt1oJBAemJJanZqakFq EcwWJg5OqQbG9APh0mtfJs93mXjs26dr9z4HfFLx85gy12jfxyB92wNSZVPObzlnbBbz5cxp Ow5zH/nHKZf0l8svXd7rNi9jYpN1Z5X/hJiui1HB5TvK55elbPkYfXNuocwJc+sZ2y73NyTd Oa6XU+8fz+u11EQh0j4ybnl90JqQJXP5BJ1Pn0tflfl/PV+4EktxRqKhFnNRcSIAjHL0xOQC AAA= DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Spam-Status: No, score=-7.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch set adds use of clk_prepare/clk_unprepare as required by generic clock framework. Signed-off-by: Naveen Krishna Chatradhi Reviewed-by: Tomasz Figa --- Changes since v4: Handle return value of clk_prepare_enable Changes since v3: None drivers/crypto/s5p-sss.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c index a890273..5bd3bd9 100644 --- a/drivers/crypto/s5p-sss.c +++ b/drivers/crypto/s5p-sss.c @@ -648,7 +648,11 @@ static int s5p_aes_probe(struct platform_device *pdev) return -ENOENT; } - clk_enable(pdata->clk); + err = clk_prepare_enable(pdata->clk); + if (err < 0) { + dev_err(dev, "Enabling SSS clk failed, err %d\n", err); + return err; + } spin_lock_init(&pdata->lock); pdata->ioaddr = devm_ioremap(dev, res->start, @@ -711,7 +715,7 @@ static int s5p_aes_probe(struct platform_device *pdev) tasklet_kill(&pdata->tasklet); err_irq: - clk_disable(pdata->clk); + clk_disable_unprepare(pdata->clk); s5p_dev = NULL; @@ -731,7 +735,7 @@ static int s5p_aes_remove(struct platform_device *pdev) tasklet_kill(&pdata->tasklet); - clk_disable(pdata->clk); + clk_disable_unprepare(pdata->clk); s5p_dev = NULL;