arch/arm/mach-tegra/cpuidle.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * arch/arm/mach-tegra/cpuidle.c
   4  *
   5  * CPU idle driver for Tegra CPUs
   6  *
   7  * Copyright (c) 2010-2012, NVIDIA Corporation.
   8  * Copyright (c) 2011 Google, Inc.
   9  * Author: Colin Cross <ccross@android.com>
  10  *         Gary King <gking@nvidia.com>
  11  *
  12  * Rework for 3.3 by Peter De Schrijver <pdeschrijver@nvidia.com>
  13  */
  14
  15 #include <linux/kernel.h>
  16 #include <linux/module.h>
  17
  18 #include <soc/tegra/fuse.h>
  19
  20 #include "cpuidle.h"
  21
  22 void __init tegra_cpuidle_init(void)
  23 {
  24         switch (tegra_get_chip_id()) {
  25         case TEGRA20:
  26                 if (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC))
  27                         tegra20_cpuidle_init();
  28                 break;
  29         case TEGRA30:
  30                 if (IS_ENABLED(CONFIG_ARCH_TEGRA_3x_SOC))
  31                         tegra30_cpuidle_init();
  32                 break;
  33         case TEGRA114:
  34         case TEGRA124:
  35                 if (IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC) ||
  36                     IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC))
  37                         tegra114_cpuidle_init();
  38                 break;
  39         }
  40 }
  41
  42 void tegra_cpuidle_pcie_irqs_in_use(void)
  43 {
  44         switch (tegra_get_chip_id()) {
  45         case TEGRA20:
  46                 if (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC))
  47                         tegra20_cpuidle_pcie_irqs_in_use();
  48                 break;
  49         }
  50 }