arch/sh/include/asm/clkdev.h

   1 /*
   2  *  Copyright (C) 2010 Paul Mundt <lethal@linux-sh.org>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  *
   8  * Helper for the clk API to assist looking up a struct clk.
   9  */
  10
  11 #ifndef __CLKDEV__H_
  12 #define __CLKDEV__H_
  13
  14 #include <linux/bootmem.h>
  15 #include <linux/mm.h>
  16 #include <linux/slab.h>
  17
  18 #include <asm/clock.h>
  19
  20 static inline struct clk_lookup_alloc *__clkdev_alloc(size_t size)
  21 {
  22         if (!slab_is_available())
  23                 return alloc_bootmem_low_pages(size);
  24         else
  25                 return kzalloc(size, GFP_KERNEL);
  26 }
  27
  28 #ifndef CONFIG_COMMON_CLK
  29 #define __clk_put(clk)
  30 #define __clk_get(clk) ({ 1; })
  31 #endif
  32
  33 #endif /* __CLKDEV_H__ */