From patchwork Tue Jun 23 14:09:23 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gabriel Fernandez X-Patchwork-Id: 6661711 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id CBC5FC05AC for ; Tue, 23 Jun 2015 14:14:54 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0234F20619 for ; Tue, 23 Jun 2015 14:14:54 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0A3012060A for ; Tue, 23 Jun 2015 14:14:53 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Z7Ow3-00009M-Rn; Tue, 23 Jun 2015 14:12:23 +0000 Received: from mail-wg0-f43.google.com ([74.125.82.43]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Z7OuM-0007jN-Nv for linux-arm-kernel@lists.infradead.org; Tue, 23 Jun 2015 14:10:40 +0000 Received: by wguu7 with SMTP id u7so10785943wgu.3 for ; Tue, 23 Jun 2015 07:10:19 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=JgH2VNyvRDebqRp6Tf0qe7YGMzxPWplU/wzZByEI2/8=; b=TSdGvAufwM5Cr+YUjOf/8Tve/Desms4mUCp29Wi+ZWjBaNJ+vb4CgOxz1QhNR7tFNe hdfDKtvgh/25plc5+pfm8OlYEQq/cu1I6ArObz9RkEi3H2fBzWtSJ6qfVDiR0a1VGWQ8 lSq7BIkpb0oQGbNUMAueF6DE9B0j7bquw3Tn8h47S0JtHgwt132g0w9AEu2bT3tR1kUk K0K2RskAhmksu8O0GvmOCFSJ+4qXadcHv4KeaGR2FNztKgF3SIoWv1hOjroMWIqsRVs7 ThBAA3ScAJISp/77ifUiLtHzyQk/t5fo6NuhtykUKk0CUwbgV1mmewzd/sXZ+cGhfezQ 9TqA== X-Gm-Message-State: ALoCoQlHAYa5tdRVHN7l6SaOTQ4u43tvhomJyTiXDvDykLidEc39GYH5IU8KCzFmjVkIqksfcrd+ X-Received: by 10.194.97.196 with SMTP id ec4mr8694174wjb.3.1435068618925; Tue, 23 Jun 2015 07:10:18 -0700 (PDT) Received: from lmenx315.lme.st.com (LPuteaux-656-1-48-212.w82-127.abo.wanadoo.fr. [82.127.83.212]) by mx.google.com with ESMTPSA id lk5sm22556790wic.24.2015.06.23.07.10.16 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 23 Jun 2015 07:10:18 -0700 (PDT) From: Gabriel Fernandez To: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Srinivas Kandagatla , Maxime Coquelin , Patrice Chotard , Russell King , Michael Turquette , Stephen Boyd , Gabriel Fernandez , Peter Griffin , Pankaj Dev , Olivier Bideau , Javier Martinez Canillas , Geert Uytterhoeven , Fabian Frederick Subject: [PATCH 5/9] drivers: clk: st: Fix flexgen lock init Date: Tue, 23 Jun 2015 16:09:23 +0200 Message-Id: <1435068567-30995-6-git-send-email-gabriel.fernandez@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1435068567-30995-1-git-send-email-gabriel.fernandez@linaro.org> References: <1435068567-30995-1-git-send-email-gabriel.fernandez@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150623_071038_970329_AE3DB934 X-CRM114-Status: GOOD ( 15.51 ) X-Spam-Score: -2.6 (--) Cc: devicetree@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel@stlinux.com X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-5.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 From: Giuseppe Cavallaro While proving lock, the following warning happens and it is fixed after initializing lock in the setup function INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.10.27-02861-g39df285-dirty #33 [] (unwind_backtrace+0x0/0xf4) from [] (show_stack+0x10/0x14) [] (show_stack+0x10/0x14) from [] (__lock_acquire+0x900/0xb14) [] (__lock_acquire+0x900/0xb14) from [] (lock_acquire+0x68/0x7c) [] (lock_acquire+0x68/0x7c) from [] (_raw_spin_lock_irqsave+0x48/0x5c) [] (_raw_spin_lock_irqsave+0x48/0x5c) from [] (clk_gate_endisable+0x28/0x88) [] (clk_gate_endisable+0x28/0x88) from [] (clk_gate_enable+0xc/0x14) [] (clk_gate_enable+0xc/0x14) from [] (flexgen_enable+0x28/0x40) [] (flexgen_enable+0x28/0x40) from [] (__clk_enable+0x5c/0x9c) [] (__clk_enable+0x5c/0x9c) from [] (clk_enable+0x18/0x2c) [] (clk_enable+0x18/0x2c) from [] (st_lpc_of_register+0xc0/0x248) [] (st_lpc_of_register+0xc0/0x248) from [] (clocksource_of_init+0x34/0x58) [] (clocksource_of_init+0x34/0x58) from [] (sti_timer_init+0x10/0x18) [] (sti_timer_init+0x10/0x18) from [] (time_init+0x20/0x30) [] (time_init+0x20/0x30) from [] (start_kernel+0x20c/0x2e8) [] (start_kernel+0x20c/0x2e8) from [<40008074>] (0x40008074) Signed-off-by: Giuseppe Cavallaro Signed-off-by: Gabriel Fernandez --- drivers/clk/st/clk-flexgen.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/clk/st/clk-flexgen.c b/drivers/clk/st/clk-flexgen.c index 657ca14..be06d2a 100644 --- a/drivers/clk/st/clk-flexgen.c +++ b/drivers/clk/st/clk-flexgen.c @@ -303,6 +303,8 @@ static void __init st_of_flexgen_setup(struct device_node *np) if (!rlock) goto err; + spin_lock_init(rlock); + for (i = 0; i < clk_data->clk_num; i++) { struct clk *clk; const char *clk_name;