release/src-rt-6.x.4708/linux/linux-2.6.36/include/linux/of_spi.h

   1 /*
   2  * OpenFirmware SPI support routines
   3  * Copyright (C) 2008 Secret Lab Technologies Ltd.
   4  *
   5  * Support routines for deriving SPI device attachments from the device
   6  * tree.
   7  */
   8
   9 #ifndef __LINUX_OF_SPI_H
  10 #define __LINUX_OF_SPI_H
  11
  12 #include <linux/spi/spi.h>
  13
  14 #if defined(CONFIG_OF_SPI) || defined(CONFIG_OF_SPI_MODULE)
  15 extern void of_register_spi_devices(struct spi_master *master);
  16 #else
  17 static inline void of_register_spi_devices(struct spi_master *master)
  18 {
  19         return;
  20 }
  21 #endif /* CONFIG_OF_SPI */
  22
  23 #endif /* __LINUX_OF_SPI */