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| author | kib <kib@FreeBSD.org> | 2013-04-14 14:02:34 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2013-04-14 14:02:34 +0000 |
| commit | 0749739009c894564d14ddf50ccc39ae723ad30c (patch) | |
| tree | d61640b36103df50ce39bec8bb652ea64ce53cc4 /sys/dev/pci | |
| parent | c7cb06a811249addb8c109bf748aba476b136fbc (diff) | |
| download | FreeBSD-src-0749739009c894564d14ddf50ccc39ae723ad30c.zip FreeBSD-src-0749739009c894564d14ddf50ccc39ae723ad30c.tar.gz | |
Usnure that PCI bus BIS_GET_DMA_TAG() method sees the actual PCI
device which makes the request for dma tag, instead of some descendant
of the PCI device, by creating a pass-through trampoline for vga_pci
and ata_pci buses.
Sponsored by: The FreeBSD Foundation
Suggested by: jhb
Discussed with: jhb, mav
MFC after: 1 week
Diffstat (limited to 'sys/dev/pci')
| -rw-r--r-- | sys/dev/pci/vga_pci.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/dev/pci/vga_pci.c b/sys/dev/pci/vga_pci.c index e52d5d8..dc3237c 100644 --- a/sys/dev/pci/vga_pci.c +++ b/sys/dev/pci/vga_pci.c @@ -419,6 +419,13 @@ vga_pci_msix_count(device_t dev, device_t child) return (pci_msix_count(dev)); } +static bus_dma_tag_t +vga_pci_get_dma_tag(device_t bus, device_t child) +{ + + return (bus_get_dma_tag(bus)); +} + static device_method_t vga_pci_methods[] = { /* Device interface */ DEVMETHOD(device_probe, vga_pci_probe), @@ -436,6 +443,7 @@ static device_method_t vga_pci_methods[] = { DEVMETHOD(bus_release_resource, vga_pci_release_resource), DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), + DEVMETHOD(bus_get_dma_tag, vga_pci_get_dma_tag), /* PCI interface */ DEVMETHOD(pci_read_config, vga_pci_read_config), |
