From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752536AbeERUIj (ORCPT ); Fri, 18 May 2018 16:08:39 -0400 Received: from mail-lf0-f68.google.com ([209.85.215.68]:34352 "EHLO mail-lf0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752259AbeERUH3 (ORCPT ); Fri, 18 May 2018 16:07:29 -0400 X-Google-Smtp-Source: AB8JxZojt8BbEQNiBZRPSVq4ZDp/l6qxK0van0X/OwMozbpCjgvHfvnLWQzTv9461J9BkfKKi63Urg== From: Dmitry Osipenko To: "Rafael J. Wysocki" , Viresh Kumar , Thierry Reding , Jonathan Hunter Cc: linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Peter Geis Subject: [PATCH v2 09/11] cpufreq: tegra20: Check if this is Tegra20 machine Date: Fri, 18 May 2018 23:06:40 +0300 Message-Id: <20180518200642.24815-10-digetx@gmail.com> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180518200642.24815-1-digetx@gmail.com> References: <20180518200642.24815-1-digetx@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Don't even try to request the clocks during of module initialization on non-Tegra20 machines (this is the case for a multi-platform kernel) for consistency. Signed-off-by: Dmitry Osipenko Acked-by: Viresh Kumar Acked-by: Thierry Reding --- drivers/cpufreq/tegra20-cpufreq.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/cpufreq/tegra20-cpufreq.c b/drivers/cpufreq/tegra20-cpufreq.c index 36075aee2ff2..7b425ebe81e7 100644 --- a/drivers/cpufreq/tegra20-cpufreq.c +++ b/drivers/cpufreq/tegra20-cpufreq.c @@ -21,6 +21,7 @@ #include #include #include +#include #include static struct cpufreq_frequency_table freq_table[] = { @@ -158,6 +159,9 @@ static int __init tegra_cpufreq_init(void) { int err; + if (!of_machine_is_compatible("nvidia,tegra20")) + return -ENODEV; + cpu_clk = clk_get_sys(NULL, "cclk"); if (IS_ERR(cpu_clk)) return PTR_ERR(cpu_clk); -- 2.17.0