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Handle for passthru resource release correctly.

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This commit is contained in:
Luoqi Chen 1999-09-03 04:30:01 +00:00
parent fdfd9f2f70
commit cb899cd41d
2 changed files with 8 additions and 10 deletions
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9
sys/dev/pci/pci.c
View file

@ -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 */

9
sys/pci/pci.c
View file

@ -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 */