To: linus, alan
Cc: lkml
Subject: [PATCH] ADB raw packets

From: Linux/m68k legacy

ADB: add support for raw packets

---
 drivers/macintosh/adb.c |    8 +++++---
 include/linux/adb.h     |    1 +
 2 files changed, 6 insertions(+), 3 deletions(-)

--- a/drivers/macintosh/adb.c
+++ b/drivers/macintosh/adb.c
@@ -478,13 +478,15 @@ adb_request(struct adb_request *req, voi
 		use_sreq = 1;
 	} else
 		use_sreq = 0;
-	req->nbytes = nbytes+1;
+	i = (flags & ADBREQ_RAW) ? 0 : 1;
+	req->nbytes = nbytes+i;
 	req->done = done;
 	req->reply_expected = flags & ADBREQ_REPLY;
 	req->data[0] = ADB_PACKET;
 	va_start(list, nbytes);
-	for (i = 0; i < nbytes; ++i)
-		req->data[i+1] = va_arg(list, int);
+	while (i < req->nbytes) {
+		req->data[i++] = va_arg(list, int);
+	}
 	va_end(list);
 
 	if (flags & ADBREQ_NOSEND)
--- a/include/linux/adb.h
+++ b/include/linux/adb.h
@@ -76,6 +76,7 @@ struct adb_driver {
 #define ADBREQ_REPLY	1	/* expect reply */
 #define ADBREQ_SYNC	2	/* poll until done */
 #define ADBREQ_NOSEND	4	/* build the request, but don't send it */
+#define ADBREQ_RAW	8	/* send raw packet (don't prepend ADB_PACKET) */
 
 /* Messages sent thru the client_list notifier. You should NOT stop
    the operation, at least not with this version */