int irq;
void *controller_state;
void *controller_data;
- const char *modalias;
+ char modalias[32];
/*
* likely need more hooks for more protocol options affecting how
/**
* struct spi_master - interface to SPI master controller
- * @cdev: class interface to this driver
+ * @dev: device interface to this driver
* @bus_num: board-specific (and often SOC-specific) identifier for a
* given SPI controller.
* @num_chipselect: chipselects are used to distinguish individual
* message's completion function when the transaction completes.
*/
struct spi_master {
- struct class_device cdev;
+ struct device dev;
/* other than negative (== assign one dynamically), bus_num is fully
* board-specific. usually that simplifies to being SOC-specific.
static inline void *spi_master_get_devdata(struct spi_master *master)
{
- return class_get_devdata(&master->cdev);
+ return dev_get_drvdata(&master->dev);
}
static inline void spi_master_set_devdata(struct spi_master *master, void *data)
{
- class_set_devdata(&master->cdev, data);
+ dev_set_drvdata(&master->dev, data);
}
static inline struct spi_master *spi_master_get(struct spi_master *master)
{
- if (!master || !class_device_get(&master->cdev))
+ if (!master || !get_device(&master->dev))
return NULL;
return master;
}
static inline void spi_master_put(struct spi_master *master)
{
if (master)
- class_device_put(&master->cdev);
+ put_device(&master->dev);
}
* 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;
* 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 *);