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Date:      Wed, 22 Oct 2008 09:48:08 +0200
From:      =?ISO-8859-1?Q?S=F8ren_Schmidt?= <sos@freebsd.org>
To:        John Baldwin <jhb@freebsd.org>
Cc:        svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org
Subject:   Re: svn commit: r184135 - head/sys/dev/ata
Message-ID:  <38B9B4B2-0EC5-4399-B7C2-55C095D95EAE@freebsd.org>
In-Reply-To: <200810211851.m9LIptwg006141@svn.freebsd.org>
References:  <200810211851.m9LIptwg006141@svn.freebsd.org>

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Good catch!! thanks!!

-S=F8ren

On 21Oct, 2008, at 20:51 , John Baldwin wrote:

> Author: jhb
> Date: Tue Oct 21 18:51:55 2008
> New Revision: 184135
> URL: http://svn.freebsd.org/changeset/base/184135
>
> Log:
>  Restore the default maximum segment size for the bus dma tag to 64k =20=

> as it
>  is in 6.x and 7.x.  The typo caused 64k transactions to be =20
> unnecessarily
>  split up into two PRD entries.
>
> Modified:
>  head/sys/dev/ata/ata-dma.c
>
> Modified: head/sys/dev/ata/ata-dma.c
> =3D=20
> =3D=20
> =3D=20
> =3D=20
> =3D=20
> =3D=20
> =3D=20
> =3D=20
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> --- head/sys/dev/ata/ata-dma.c	Tue Oct 21 18:50:52 2008	=
(r184134)
> +++ head/sys/dev/ata/ata-dma.c	Tue Oct 21 18:51:55 2008	=
(r184135)
> @@ -78,7 +78,7 @@ ata_dmainit(device_t dev)
>     ch->dma.unload =3D ata_dmaunload;
>     ch->dma.alignment =3D 2;
>     ch->dma.boundary =3D 65536;
> -    ch->dma.segsize =3D 63536;
> +    ch->dma.segsize =3D 65536;
>     ch->dma.max_iosize =3D 128 * DEV_BSIZE;
>     ch->dma.max_address =3D BUS_SPACE_MAXADDR_32BIT;
>     ch->dma.dma_slots =3D 6;
>

-S=F8ren









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