sun50i_cpufreq_pdev 25 drivers/cpufreq/sun50i-cpufreq-nvmem.c static struct platform_device *cpufreq_dt_pdev, *sun50i_cpufreq_pdev; sun50i_cpufreq_pdev 201 drivers/cpufreq/sun50i-cpufreq-nvmem.c sun50i_cpufreq_pdev = sun50i_cpufreq_pdev 204 drivers/cpufreq/sun50i-cpufreq-nvmem.c ret = PTR_ERR_OR_ZERO(sun50i_cpufreq_pdev); sun50i_cpufreq_pdev 215 drivers/cpufreq/sun50i-cpufreq-nvmem.c platform_device_unregister(sun50i_cpufreq_pdev);