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Wysocki" , Anson Huang , Bastian Stender , linux-pm@vger.kernel.org Subject: [PATCH v2 4/9] cpufreq: imx6q: Use auto-registration of thermal cooling device Date: Mon, 21 Jan 2019 21:10:29 +0530 Message-Id: X-Mailer: git-send-email 2.17.1 In-Reply-To: References: In-Reply-To: References: Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Use the CPUFREQ_AUTO_REGISTER_COOLING_DEV flag to allow cpufreq core to automatically register as a thermal cooling device. This allows removal of boiler plate code from the driver. Signed-off-by: Amit Kucheria --- drivers/cpufreq/imx6q-cpufreq.c | 24 ++---------------------- 1 file changed, 2 insertions(+), 22 deletions(-) -- 2.17.1 diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c index 9fedf627e000..9935df234fa1 100644 --- a/drivers/cpufreq/imx6q-cpufreq.c +++ b/drivers/cpufreq/imx6q-cpufreq.c @@ -9,7 +9,6 @@ #include #include #include -#include #include #include #include @@ -52,7 +51,6 @@ static struct clk_bulk_data clks[] = { }; static struct device *cpu_dev; -static struct thermal_cooling_device *cdev; static bool free_opp; static struct cpufreq_frequency_table *freq_table; static unsigned int max_freq; @@ -193,16 +191,6 @@ static int imx6q_set_target(struct cpufreq_policy *policy, unsigned int index) return 0; } -static void imx6q_cpufreq_ready(struct cpufreq_policy *policy) -{ - cdev = of_cpufreq_cooling_register(policy); - - if (!cdev) - dev_err(cpu_dev, - "running cpufreq without cooling device: %ld\n", - PTR_ERR(cdev)); -} - static int imx6q_cpufreq_init(struct cpufreq_policy *policy) { int ret; @@ -214,22 +202,14 @@ static int imx6q_cpufreq_init(struct cpufreq_policy *policy) return ret; } -static int imx6q_cpufreq_exit(struct cpufreq_policy *policy) -{ - cpufreq_cooling_unregister(cdev); - - return 0; -} - static struct cpufreq_driver imx6q_cpufreq_driver = { - .flags = CPUFREQ_NEED_INITIAL_FREQ_CHECK, + .flags = CPUFREQ_NEED_INITIAL_FREQ_CHECK | + CPUFREQ_AUTO_REGISTER_COOLING_DEV, .verify = cpufreq_generic_frequency_table_verify, .target_index = imx6q_set_target, .get = cpufreq_generic_get, .init = imx6q_cpufreq_init, - .exit = imx6q_cpufreq_exit, .name = "imx6q-cpufreq", - .ready = imx6q_cpufreq_ready, .attr = cpufreq_generic_attr, .suspend = cpufreq_generic_suspend, };