From patchwork Fri Mar 22 12:39:18 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter De Schrijver X-Patchwork-Id: 2319461 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork1.kernel.org (Postfix) with ESMTP id 16917400E6 for ; Fri, 22 Mar 2013 12:45:10 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UJ1Ir-0008DD-Ox; Fri, 22 Mar 2013 12:42:37 +0000 Received: from hqemgate03.nvidia.com ([216.228.121.140]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UJ1Ip-0008CD-0x for linux-arm-kernel@lists.infradead.org; Fri, 22 Mar 2013 12:42:35 +0000 Received: from hqnvupgp07.nvidia.com (Not Verified[216.228.121.13]) by hqemgate03.nvidia.com id ; Fri, 22 Mar 2013 05:47:50 -0700 Received: from hqemhub01.nvidia.com ([172.17.108.22]) by hqnvupgp07.nvidia.com (PGP Universal service); Fri, 22 Mar 2013 05:42:22 -0700 X-PGP-Universal: processed; by hqnvupgp07.nvidia.com on Fri, 22 Mar 2013 05:42:22 -0700 Received: from hqnvemgw02.nvidia.com (172.16.227.111) by hqemhub01.nvidia.com (172.20.150.30) with Microsoft SMTP Server id 8.3.298.1; Fri, 22 Mar 2013 05:42:25 -0700 Received: from thelma.nvidia.com (Not Verified[172.16.212.77]) by hqnvemgw02.nvidia.com with MailMarshal (v7,1,2,5326) id ; Fri, 22 Mar 2013 05:42:25 -0700 Received: from tbergstrom-lnx.nvidia.com (tbergstrom-lnx.nvidia.com [10.21.24.170]) by thelma.nvidia.com (8.13.8+Sun/8.8.8) with ESMTP id r2MCfFD4020818; Fri, 22 Mar 2013 05:42:21 -0700 (PDT) From: Peter De Schrijver To: Peter De Schrijver Subject: [PATCH v8 01/14] clk: tegra: provide dummy cpu car ops Date: Fri, 22 Mar 2013 14:39:18 +0200 Message-ID: <1363956029-31873-2-git-send-email-pdeschrijver@nvidia.com> X-Mailer: git-send-email 1.7.7.rc0.72.g4b5ea.dirty In-Reply-To: <1363956029-31873-1-git-send-email-pdeschrijver@nvidia.com> References: <1363956029-31873-1-git-send-email-pdeschrijver@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130322_084235_229838_B960592F X-CRM114-Status: UNSURE ( 9.60 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -9.4 (---------) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-9.4 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/, high trust [216.228.121.140 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -2.5 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: Linus Walleij , Prashant Gaikwad , Russell King , Stephen Warren , devicetree-discuss@lists.ozlabs.org, Simon Glass , Thierry Reding , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Rob Herring , Pritesh Raithatha , Grant Likely , Laxman Dewangan , Mike Turquette , Rob Landley , linux-tegra@vger.kernel.org, Andrew Chew , Rhyland Klein , linux-arm-kernel@lists.infradead.org, Hiroshi Doyu X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org tegra_boot_secondary() relies on some of the car ops. This means having an uninitialized tegra_cpu_car_ops will lead to an early boot panic. Providing a dummy struct avoids this and makes adding Tegra114 clock support in a bisectable way a lot easier. Signed-off-by: Peter De Schrijver --- drivers/clk/tegra/clk.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/drivers/clk/tegra/clk.c b/drivers/clk/tegra/clk.c index a603b9a..a6f2fa6 100644 --- a/drivers/clk/tegra/clk.c +++ b/drivers/clk/tegra/clk.c @@ -22,7 +22,8 @@ #include "clk.h" /* Global data of Tegra CPU CAR ops */ -struct tegra_cpu_car_ops *tegra_cpu_car_ops; +static struct tegra_cpu_car_ops dummy_car_ops; +struct tegra_cpu_car_ops *tegra_cpu_car_ops = &dummy_car_ops; void __init tegra_init_dup_clks(struct tegra_clk_duplicate *dup_list, struct clk *clks[], int clk_max)