amd64/128686: commit references a PR

[dfilter service]

The following reply was made to PR amd64/128686; it has been noted by GNATS.

From: dfilter at FreeBSD.ORG (dfilter service)
To: bug-followup at FreeBSD.org
Cc:  
Subject: Re: amd64/128686: commit references a PR
Date: Mon, 26 Oct 2009 08:41:23 +0000 (UTC)

 Author: mav
 Date: Mon Oct 26 08:41:10 2009
 New Revision: 198479
 URL: http://svn.freebsd.org/changeset/base/198479
 
 Log:
   Fix SATA on nVidia MCP55 chipset. It needs some short time to allow BAR(5)
   memory access.
   
   PR:		amd64/128686, amd64/132372, amd64/139156
   MFC after:	3 days
 
 Modified:
   head/sys/dev/ata/chipsets/ata-nvidia.c
 
 Modified: head/sys/dev/ata/chipsets/ata-nvidia.c
 ==============================================================================
 --- head/sys/dev/ata/chipsets/ata-nvidia.c	Mon Oct 26 07:43:41 2009	(r198478)
 +++ head/sys/dev/ata/chipsets/ata-nvidia.c	Mon Oct 26 08:41:10 2009	(r198479)
 @@ -165,7 +165,8 @@ ata_nvidia_chipinit(device_t dev)
  
  	    /* enable control access */
  	    pci_write_config(dev, 0x50, pci_read_config(dev, 0x50, 1) | 0x04,1);
 -
 +	    /* MCP55 seems to need some time to allow r_res2 read. */
 +	    DELAY(10);
  	    if (ctlr->chip->cfg1 & NVQ) {
  		/* clear interrupt status */
  		ATA_OUTL(ctlr->r_res2, offset, 0x00ff00ff);
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