Patch for aic7xxx 2.4.0 test12 hang

Leslie Donaldson (donaldlf@hermes.cs.rose-hulman.edu)
Fri, 19 Jan 2001 11:40:16 -0600


This is a temporary patch to keep the scsi driver from eating
your data.... I am working on a real fix....

Leslie Donaldson

*** linux/drivers/scsi/aic7xxx.c.2.4.0-12 Sat Jan 6 21:55:47 2001
--- linux/drivers/scsi/aic7xxx.c Sat Jan 6 22:08:12 2001
***************
*** 7073,7078 ****
--- 7073,7092 ----
else
{

+ if(((strcmp("Adaptec AIC-7892 Ultra 160/m SCSI host
adapter",board_names[p->board_name_index])) == 0 ) ||
+ ((strcmp("Adaptec AIC-7899 Ultra 160/m SCSI host
adapter",board_names[p->board_name_index])) == 0 ))
+ {
+ /* The TCQ code for 160M devices is BROKEN */
+ /* This is a quick, dirty, sad fix until I have time for a
better */
+ /* one. We do it this way in case the driver is supporting
two seperate */
+ /* styles of scsi chipsets... I do have two boards so it
does happen */
+ tag_enabled = FALSE;
+ device->queue_depth = 3; /* Tagged queueing is disabled. */
+ printk(INFO_LEAD "DISABLED TAGGED QUEUING, queue depth
%d.\n",
+ p->host_no, device->channel, device->id,
+ device->lun, 0);
+ }
+ else
if (aic7xxx_tag_info[p->instance].tag_commands[tindex] == 255)
{
tag_enabled = FALSE;

-- 
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