drivers/clk/x86/clk-lpss.h

   1 /*
   2  * Intel Low Power Subsystem clock.
   3  *
   4  * Copyright (C) 2013, Intel Corporation
   5  * Authors: Mika Westerberg <mika.westerberg@linux.intel.com>
   6  *          Heikki Krogerus <heikki.krogerus@linux.intel.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  */
  12
  13 #ifndef __CLK_LPSS_H
  14 #define __CLK_LPSS_H
  15
  16 #include <linux/err.h>
  17 #include <linux/errno.h>
  18 #include <linux/clk.h>
  19
  20 #ifdef CONFIG_ACPI
  21 extern struct clk *clk_register_lpss_gate(const char *name,
  22                                           const char *parent_name,
  23                                           const char *hid, const char *uid,
  24                                           unsigned offset);
  25 #else
  26 static inline struct clk *clk_register_lpss_gate(const char *name,
  27                                                  const char *parent_name,
  28                                                  const char *hid,
  29                                                  const char *uid,
  30                                                  unsigned offset)
  31 {
  32         return ERR_PTR(-ENODEV);
  33 }
  34 #endif
  35
  36 #endif /* __CLK_LPSS_H */