Author: mav
Date: Thu Jan 31 20:48:56 2013
New Revision: 246157
URL: http://svnweb.freebsd.org/changeset/base/246157
Log:
MFC r245875:
Disable MSI interrupts for SB600 chipset. According to the report they are
not functional.
PR: kern/174880, kern/174985, kern/175002
Modified:
stable/8/sys/dev/ahci/ahci.c
Directory Properties:
stable/8/sys/ (props changed)
stable/8/sys/dev/ (props changed)
stable/8/sys/dev/ahci/ (props changed)
Modified: stable/8/sys/dev/ahci/ahci.c
==============================================================================
--- stable/8/sys/dev/ahci/ahci.c Thu Jan 31 20:47:35 2013
(r246156)
+++ stable/8/sys/dev/ahci/ahci.c Thu Jan 31 20:48:56 2013
(r246157)
@@ -120,8 +120,9 @@ 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},
@@ -641,6 +642,8 @@ 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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