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[91.78.220.99]) by smtp.gmail.com with ESMTPSA id i13sm58897736wrr.73.2019.07.30.10.10.19 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 30 Jul 2019 10:10:19 -0700 (PDT) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Peter De Schrijver , "Rafael J. Wysocki" , Daniel Lezcano Cc: linux-pm@vger.kernel.org, linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 11/13] ARM: tegra: Create simple platform device for cpuidle driver Date: Tue, 30 Jul 2019 20:09:53 +0300 Message-Id: <20190730170955.11987-12-digetx@gmail.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190730170955.11987-1-digetx@gmail.com> References: <20190730170955.11987-1-digetx@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The new CPUIDLE driver now is a proper platform driver, hence it needs a platform device in order to be functional. Register the platform device, like we do that for the CPUFreq driver. Note that on some Tegra114(124) devices PSCI may be used for the CPU hotplugging and CPUIDLE driver doesn't support that case, thus CPUIDLE device won't be registered if PCSI presents. Signed-off-by: Dmitry Osipenko --- arch/arm/mach-tegra/tegra.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/mach-tegra/tegra.c b/arch/arm/mach-tegra/tegra.c index d9237769a37c..f1ce2857a251 100644 --- a/arch/arm/mach-tegra/tegra.c +++ b/arch/arm/mach-tegra/tegra.c @@ -36,6 +36,7 @@ #include #include #include +#include #include #include "board.h" @@ -92,6 +93,9 @@ static void __init tegra_dt_init_late(void) if (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC) && of_machine_is_compatible("nvidia,tegra20")) platform_device_register_simple("tegra20-cpufreq", -1, NULL, 0); + + if (IS_ENABLED(CONFIG_ARM_TEGRA_CPUIDLE) && !psci_smp_available()) + platform_device_register_simple("tegra-cpuidle", -1, NULL, 0); } static const char * const tegra_dt_board_compat[] = { -- 2.22.0