Merge branches 'sched/clock', 'sched/cleanups' and 'linus' into sched/urgent

[linux-2.6-omap-h63xx.git] / include / linux / spi / spi.h

diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 387e428f1cdf233ab3b54b078ba34b20157b2e37..82229317753d53286df8843eeb86f88d50cb7457 100644 (file)
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -19,6 +19,8 @@
 #ifndef __LINUX_SPI_H
 #define __LINUX_SPI_H
 
+#include <linux/device.h>
+
 /*
  * INTERFACES between SPI master-side drivers and SPI infrastructure.
  * (There's no SPI slave support for Linux yet...)
@@ -82,7 +84,7 @@ struct spi_device {
        int                     irq;
        void                    *controller_state;
        void                    *controller_data;
-       const char              *modalias;
+       char                    modalias[32];
 
        /*
         * likely need more hooks for more protocol options affecting how
@@ -733,7 +735,7 @@ struct spi_board_info {
         * controller_data goes to spi_device.controller_data,
         * irq is copied too
         */
-       char            modalias[KOBJ_NAME_LEN];
+       char            modalias[32];
        const void      *platform_data;
        void            *controller_data;
        int             irq;
@@ -778,7 +780,19 @@ spi_register_board_info(struct spi_board_info const *info, unsigned n)
  * use spi_new_device() to describe each device.  You can also call
  * spi_unregister_device() to start making that device vanish, but
  * normally that would be handled by spi_unregister_master().
+ *
+ * You can also use spi_alloc_device() and spi_add_device() to use a two
+ * stage registration sequence for each spi_device.  This gives the caller
+ * some more control over the spi_device structure before it is registered,
+ * but requires that caller to initialize fields that would otherwise
+ * be defined using the board info.
  */
+extern struct spi_device *
+spi_alloc_device(struct spi_master *master);
+
+extern int
+spi_add_device(struct spi_device *spi);
+
 extern struct spi_device *
 spi_new_device(struct spi_master *, struct spi_board_info *);