svn commit: r200608 - stable/8/sys/dev/ata/chipsets

[Alexander Motin]

Author: mav
Date: Wed Dec 16 17:48:26 2009
New Revision: 200608
URL: http://svn.freebsd.org/changeset/base/200608

Log:
  MFC r200607:
  Large I/Os on Promise controllers reported to cause UDMA ICRC errors and
  subsequent timeouts. Restore previous limit for now, at least until
  I will have hardware to experiment.
  
  PR:             kern/141438

Modified:
  stable/8/sys/dev/ata/chipsets/ata-promise.c
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/amd64/include/xen/   (props changed)
  stable/8/sys/cddl/contrib/opensolaris/   (props changed)
  stable/8/sys/contrib/dev/acpica/   (props changed)
  stable/8/sys/contrib/pf/   (props changed)
  stable/8/sys/dev/xen/xenpci/   (props changed)

Modified: stable/8/sys/dev/ata/chipsets/ata-promise.c
==============================================================================
--- stable/8/sys/dev/ata/chipsets/ata-promise.c	Wed Dec 16 17:42:02 2009	(r200607)
+++ stable/8/sys/dev/ata/chipsets/ata-promise.c	Wed Dec 16 17:48:26 2009	(r200608)
@@ -957,6 +957,7 @@ ata_promise_mio_dmainit(device_t dev)
     ata_dmainit(dev);
     /* note start and stop are not used here */
     ch->dma.setprd = ata_promise_mio_setprd;
+    ch->dma.max_iosize = 65536;
 }