1 files changed, 6 insertions, 1 deletions

diff --git a/include/scsi/scsi_transport_spi.h b/include/scsi/scsi_transport_spi.h
index 6bdc4afb2483..fb5a2ffae939 100644
--- a/include/scsi/scsi_transport_spi.h
+++ b/include/scsi/scsi_transport_spi.h
@@ -22,8 +22,12 @@
 
 #include <linux/config.h>
 #include <linux/transport_class.h>
+#include <linux/mutex.h>
 
 struct scsi_transport_template;
+struct scsi_target;
+struct scsi_device;
+struct Scsi_Host;
 
 struct spi_transport_attrs {
         int period;             /* value in the PPR/SDTR command */
@@ -51,7 +55,7 @@ struct spi_transport_attrs {
         unsigned int support_qas; /* supports quick arbitration and selection */
         /* Private Fields */
         unsigned int dv_pending:1; /* Internal flag */
-        struct semaphore dv_sem; /* semaphore to serialise dv */
+        struct mutex dv_mutex; /* semaphore to serialise dv */
 };
 
 enum spi_signal_type {
@@ -143,5 +147,6 @@ void spi_release_transport(struct scsi_transport_template *);
 void spi_schedule_dv_device(struct scsi_device *);
 void spi_dv_device(struct scsi_device *);
 void spi_display_xfer_agreement(struct scsi_target *);
+int spi_print_msg(const unsigned char *);
 
 #endif /* SCSI_TRANSPORT_SPI_H */