diff options
| author | John Baldwin <jhb@FreeBSD.org> | 2009-06-22 20:08:06 +0000 |
|---|---|---|
| committer | John Baldwin <jhb@FreeBSD.org> | 2009-06-22 20:08:06 +0000 |
| commit | d456f534c983eddc56536bfa98951df19ab04edf (patch) | |
| tree | 58844e24b270fc0653ee7af25db8443c11403425 | |
| parent | 0cb6db1d21000a926f838777e6e61e5233ffbbcb (diff) | |
Enable MSI in the MSI capability registers any time that the first message
in an MSI group is enabled, not just if the address/data pair are not
initialized.
Reported by: rnoland
MFC after: 1 week
Notes
Notes:
svn path=/head/; revision=194644
| -rw-r--r-- | sys/dev/pci/pci.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/dev/pci/pci.c b/sys/dev/pci/pci.c index 667072fe30a9..a473ad26898a 100644 --- a/sys/dev/pci/pci.c +++ b/sys/dev/pci/pci.c @@ -2883,8 +2883,10 @@ pci_setup_intr(device_t dev, device_t child, struct resource *irq, int flags, goto bad; dinfo->cfg.msi.msi_addr = addr; dinfo->cfg.msi.msi_data = data; - pci_enable_msi(child, addr, data); } + if (dinfo->cfg.msi.msi_handlers == 0) + pci_enable_msi(child, dinfo->cfg.msi.msi_addr, + dinfo->cfg.msi.msi_data); dinfo->cfg.msi.msi_handlers++; } else { KASSERT(dinfo->cfg.msix.msix_alloc > 0, |