kern/174985: commit references a PR
dfilter service
dfilter at FreeBSD.ORG
Thu Jan 24 09:40:03 UTC 2013
The following reply was made to PR kern/174985; it has been noted by GNATS.
From: dfilter at FreeBSD.ORG (dfilter service)
To: bug-followup at FreeBSD.org
Cc:
Subject: Re: kern/174985: commit references a PR
Date: Thu, 24 Jan 2013 09:34:01 +0000 (UTC)
Author: mav
Date: Thu Jan 24 09:33:43 2013
New Revision: 245875
URL: http://svnweb.freebsd.org/changeset/base/245875
Log:
Disable MSI interrupts for SB600 chipset. According to the report they are
not functional.
PR: kern/174880, kern/174985, kern/175002
MFC after: 1 week
Modified:
head/sys/dev/ahci/ahci.c
Modified: head/sys/dev/ahci/ahci.c
==============================================================================
--- head/sys/dev/ahci/ahci.c Thu Jan 24 09:30:42 2013 (r245874)
+++ head/sys/dev/ahci/ahci.c Thu Jan 24 09:33:43 2013 (r245875)
@@ -114,8 +114,9 @@ static struct {
#define AHCI_Q_NOAA 512
#define AHCI_Q_NOCOUNT 1024
#define AHCI_Q_ALTSIG 2048
+#define AHCI_Q_NOMSI 4096
} ahci_ids[] = {
- {0x43801002, 0x00, "ATI IXP600", 0},
+ {0x43801002, 0x00, "ATI IXP600", AHCI_Q_NOMSI},
{0x43901002, 0x00, "ATI IXP700", 0},
{0x43911002, 0x00, "ATI IXP700", 0},
{0x43921002, 0x00, "ATI IXP700", 0},
@@ -634,6 +635,8 @@ ahci_setup_interrupt(device_t dev)
int i, msi = 1;
/* Process hints. */
+ if (ctlr->quirks & AHCI_Q_NOMSI)
+ msi = 0;
resource_int_value(device_get_name(dev),
device_get_unit(dev), "msi", &msi);
if (msi < 0)
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