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author | kib <kib@FreeBSD.org> | 2013-04-14 14:02:34 +0000 |
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committer | kib <kib@FreeBSD.org> | 2013-04-14 14:02:34 +0000 |
commit | 0749739009c894564d14ddf50ccc39ae723ad30c (patch) | |
tree | d61640b36103df50ce39bec8bb652ea64ce53cc4 /sys/dev/ata/ata-pci.c | |
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/ata/ata-pci.c')
-rw-r--r-- | sys/dev/ata/ata-pci.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/dev/ata/ata-pci.c b/sys/dev/ata/ata-pci.c index b3cf726..0f7e8af 100644 --- a/sys/dev/ata/ata-pci.c +++ b/sys/dev/ata/ata-pci.c @@ -571,6 +571,13 @@ ata_pci_child_location_str(device_t dev, device_t child, char *buf, return (0); } +static bus_dma_tag_t +ata_pci_get_dma_tag(device_t bus, device_t child) +{ + + return (bus_get_dma_tag(bus)); +} + static device_method_t ata_pci_methods[] = { /* device interface */ DEVMETHOD(device_probe, ata_pci_probe), @@ -593,6 +600,7 @@ static device_method_t ata_pci_methods[] = { DEVMETHOD(pci_write_config, ata_pci_write_config), DEVMETHOD(bus_print_child, ata_pci_print_child), DEVMETHOD(bus_child_location_str, ata_pci_child_location_str), + DEVMETHOD(bus_get_dma_tag, ata_pci_get_dma_tag), DEVMETHOD_END }; |