Re: [PATCH 2/3] m68k: compile fix - ADBREQ_RAW missing declaration

From: Finn Thain
Date: Thu Dec 15 2005 - 20:20:28 EST




On Thu, 15 Dec 2005, Al Viro wrote:

> With some archaeology... It looks like drivers/macintosh part is from
> Geert (with chunks from benh? not sure) circa Dec 2000; adb.h is a missing
> piece of earlier patch (one that had leaked in Feb 2000, $DEITY knowns how
> much older it is)...


> --- a/drivers/macintosh/adb.c
> +++ b/drivers/macintosh/adb.c
> @@ -476,13 +476,15 @@ 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);
> + }

According to the the Linx-mac68k repo, one line of that change belongs to
Joshua M. Thompson, while the rest of that code was committed by Ray
Knight, (the changelog says it was a merge from 2.4.0).

http://cvs.sourceforge.net/viewcvs.py/linux-mac68k/linux-mac68k/drivers/macintosh/adb.c?annotate=1.25


> va_end(list);
>
> if (flags & ADBREQ_NOSEND)
> diff --git a/include/linux/adb.h b/include/linux/adb.h
> index e9fdc63..aad7b1c 100644
> --- 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) */
>

Credit for that change is due to Joshua M. Thompson.

http://cvs.sourceforge.net/viewcvs.py/linux-mac68k/linux-mac68k/include/linux/adb.h?annotate=1.7

-f
-
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