2 files changed, 18 insertions, 2 deletions

diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index 1bf5900ffe43..b34f1ef2f1fe 100644
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -399,6 +399,16 @@ struct i2c_device_id {
                         __attribute__((aligned(sizeof(kernel_ulong_t))));
 };
 
+/* spi */
+
+#define SPI_NAME_SIZE   32
+
+struct spi_device_id {
+        char name[SPI_NAME_SIZE];
+        kernel_ulong_t driver_data      /* Data private to the driver */
+                        __attribute__((aligned(sizeof(kernel_ulong_t))));
+};
+
 /* dmi */
 enum dmi_field {
         DMI_NONE,
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index eb25cedb995b..e2051f39f6a8 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -20,6 +20,7 @@
 #define __LINUX_SPI_H
 
 #include <linux/device.h>
+#include <linux/mod_devicetable.h>
 
 /*
  * INTERFACES between SPI master-side drivers and SPI infrastructure.
@@ -86,7 +87,7 @@ struct spi_device {
         int                     irq;
         void                    *controller_state;
         void                    *controller_data;
-        char                    modalias[32];
+        char                    modalias[SPI_NAME_SIZE];
 
         /*
          * likely need more hooks for more protocol options affecting how
@@ -145,6 +146,7 @@ struct spi_message;
 
 /**
  * struct spi_driver - Host side "protocol" driver
+ * @id_table: List of SPI devices supported by this driver
  * @probe: Binds this driver to the spi device.  Drivers can verify
  *      that the device is actually present, and may need to configure
  *      characteristics (such as bits_per_word) which weren't needed for
@@ -170,6 +172,7 @@ struct spi_message;
  * MMC, RTC, filesystem character device nodes, and hardware monitoring.
  */
 struct spi_driver {
+        const struct spi_device_id *id_table;
         int                     (*probe)(struct spi_device *spi);
         int                     (*remove)(struct spi_device *spi);
         void                    (*shutdown)(struct spi_device *spi);
@@ -734,7 +737,7 @@ struct spi_board_info {
          * controller_data goes to spi_device.controller_data,
          * irq is copied too
          */
-        char            modalias[32];
+        char            modalias[SPI_NAME_SIZE];
         const void      *platform_data;
         void            *controller_data;
         int             irq;
@@ -802,4 +805,7 @@ spi_unregister_device(struct spi_device *spi)
                 device_unregister(&spi->dev);
 }
 
+extern const struct spi_device_id *
+spi_get_device_id(const struct spi_device *sdev);
+
 #endif /* __LINUX_SPI_H */