s390/ap: move receive callback to message struct

Move the receive callback from zdev_driver to ap_message structure to
get a more flexible asynchronous ap message handling.

Signed-off-by: Holger Dengler <hd@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h
index d960a6309eec..726fc65809d8 100644
--- a/drivers/s390/crypto/ap_bus.h
+++ b/drivers/s390/crypto/ap_bus.h
@@ -136,9 +136,6 @@ struct ap_driver {
 
         int (*probe)(struct ap_device *);
         void (*remove)(struct ap_device *);
-        /* receive is called from tasklet context */
-        void (*receive)(struct ap_device *, struct ap_message *,
-                        struct ap_message *);
         int request_timeout;            /* request timeout in jiffies */
 };
 
@@ -183,6 +180,9 @@ struct ap_message {
 
         void *private;                  /* ap driver private pointer. */
         unsigned int special:1;         /* Used for special commands. */
+        /* receive is called from tasklet context */
+        void (*receive)(struct ap_device *, struct ap_message *,
+                        struct ap_message *);
 };
 
 #define AP_DEVICE(dt)                                   \
@@ -199,6 +199,7 @@ static inline void ap_init_message(struct ap_message *ap_msg)
         ap_msg->psmid = 0;
         ap_msg->length = 0;
         ap_msg->special = 0;
+        ap_msg->receive = NULL;
 }
 
 /*