diff options
| author | luoqi <luoqi@FreeBSD.org> | 1999-09-03 04:30:01 +0000 |
|---|---|---|
| committer | luoqi <luoqi@FreeBSD.org> | 1999-09-03 04:30:01 +0000 |
| commit | f98ff677e522f0359d153bd481f32667e46cce3d (patch) | |
| tree | da0c38c84079e1ee146f62945a8a85c30f5cfc00 /sys/pci/pci.c | |
| parent | 7dd0afc89ccaf0f8987f5ced9669b774738f7fd0 (diff) | |
| download | FreeBSD-src-f98ff677e522f0359d153bd481f32667e46cce3d.zip FreeBSD-src-f98ff677e522f0359d153bd481f32667e46cce3d.tar.gz | |
Handle for passthru resource release correctly.
Diffstat (limited to 'sys/pci/pci.c')
| -rw-r--r-- | sys/pci/pci.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/sys/pci/pci.c b/sys/pci/pci.c index 214d6f9..3792940 100644 --- a/sys/pci/pci.c +++ b/sys/pci/pci.c @@ -1376,6 +1376,7 @@ pci_release_resource(device_t dev, device_t child, int type, int rid, struct pci_devinfo *dinfo = device_get_ivars(child); pcicfgregs *cfg = &dinfo->cfg; int map = 0; + int passthrough = (device_get_parent(child) != dev); switch (type) { case SYS_RES_IRQ: @@ -1396,10 +1397,7 @@ pci_release_resource(device_t dev, device_t child, int type, int rid, * Only check the map registers if this is a direct * descendant. */ - if (device_get_parent(child) == dev) - map = pci_mapno(cfg, rid); - else - map = -1; + map = passthrough ? -1 : pci_mapno(cfg, rid); break; default: @@ -1411,7 +1409,8 @@ pci_release_resource(device_t dev, device_t child, int type, int rid, if (rv == 0) { switch (type) { case SYS_RES_IRQ: - cfg->irqres = 0; + if (!passthrough) + cfg->irqres = 0; break; case SYS_RES_DRQ: /* passthru for child isa */ |
