include/soc/tegra/common.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (C) 2014 NVIDIA Corporation
   4  */
   5
   6 #ifndef __SOC_TEGRA_COMMON_H__
   7 #define __SOC_TEGRA_COMMON_H__
   8
   9 #include <linux/errno.h>
  10 #include <linux/types.h>
  11
  12 struct device;
  13
  14 /**
  15  * Tegra SoC core device OPP table configuration
  16  *
  17  * @init_state: pre-initialize OPP state of a device
  18  */
  19 struct tegra_core_opp_params {
  20         bool init_state;
  21 };
  22
  23 #ifdef CONFIG_ARCH_TEGRA
  24 bool soc_is_tegra(void);
  25
  26 int devm_tegra_core_dev_init_opp_table(struct device *dev,
  27                                        struct tegra_core_opp_params *params);
  28 #else
  29 static inline bool soc_is_tegra(void)
  30 {
  31         return false;
  32 }
  33
  34 static inline int
  35 devm_tegra_core_dev_init_opp_table(struct device *dev,
  36                                    struct tegra_core_opp_params *params)
  37 {
  38         return -ENODEV;
  39 }
  40 #endif
  41
  42 static inline int
  43 devm_tegra_core_dev_init_opp_table_common(struct device *dev)
  44 {
  45         struct tegra_core_opp_params opp_params = {};
  46         int err;
  47
  48         opp_params.init_state = true;
  49
  50         err = devm_tegra_core_dev_init_opp_table(dev, &opp_params);
  51         if (err != -ENODEV)
  52                 return err;
  53
  54         return 0;
  55 }
  56
  57 #endif /* __SOC_TEGRA_COMMON_H__ */