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Update comment and disable SCB paging for Rev E cards since paging, at least

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in its current form, will not work with these cards.
This commit is contained in:
Justin T. Gibbs 1996-11-21 06:19:13 +00:00
parent ad34debda8
commit 3d9a12be07
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=19907
1 changed files with 3 additions and 6 deletions
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9
sys/i386/eisa/aic7770.c
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@ -29,7 +29,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: aic7770.c,v 1.34 1996/10/28 06:06:42 gibbs Exp $
* $Id: aic7770.c,v 1.35 1996/11/11 05:21:27 gibbs Exp $
*/
#if defined(__FreeBSD__)
@ -396,9 +396,8 @@ ahc_eisa_attach(parent, self, aux)
/*
* See if we have a Rev E or higher aic7770. Anything below a
* Rev E will have a R/O autoflush disable configuration bit.
* The Rev E. cards allow 8 bit entries in the QOUTFIFO to support
* "paging" SCBs so you can have more than 4 commands active at
* once.
* The Rev E. cards have some changes to support Adaptec's SCB
* paging scheme, but I don't know what that is yet.
*/
{
char *id_string;
@ -417,8 +416,6 @@ ahc_eisa_attach(parent, self, aux)
sblkctl &= ~AUTOFLUSHDIS;
ahc_outb(ahc, SBLKCTL, sblkctl);
/* Allow paging on this adapter */
ahc->flags |= AHC_PAGESCBS;
} else
id_string = "aic7770 <= Rev C, ";