svn commit: r291457 - stable/9/sys/dev/ata/chipsets

[Alexander Motin]

Author: mav
Date: Sun Nov 29 17:14:46 2015
New Revision: 291457
URL: https://svnweb.freebsd.org/changeset/base/291457

Log:
  MFC r290855: Increase reset assertion time from 10 to 100us.
  
  On my own tests I see no effect from this change, but I also can't
  reproduce the reported problem in general.
  
  PR:             127391
  PR:             204554
  Submitted by:   satz at iranger.com

Modified:
  stable/9/sys/dev/ata/chipsets/ata-intel.c
Directory Properties:
  stable/9/   (props changed)
  stable/9/sys/   (props changed)
  stable/9/sys/dev/   (props changed)

Modified: stable/9/sys/dev/ata/chipsets/ata-intel.c
==============================================================================
--- stable/9/sys/dev/ata/chipsets/ata-intel.c	Sun Nov 29 17:14:05 2015	(r291456)
+++ stable/9/sys/dev/ata/chipsets/ata-intel.c	Sun Nov 29 17:14:46 2015	(r291457)
@@ -494,7 +494,7 @@ ata_intel_reset(device_t dev)
 		mask |= (1 << smap[1]);
 	pci_write_config(parent, 0x92,
 	    pci_read_config(parent, 0x92, 2) & ~mask, 2);
-	DELAY(10);
+	DELAY(100);
 	pci_write_config(parent, 0x92,
 	    pci_read_config(parent, 0x92, 2) | mask, 2);