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| author | Souradeep Chakrabarti <schakrabarti@microsoft.com> | 2022-10-21 07:49:28 +0000 |
|---|---|---|
| committer | Wei Hu <whu@FreeBSD.org> | 2022-10-21 08:40:32 +0000 |
| commit | 0c38e1c3383ab540ed01284be46769263c560d96 (patch) | |
| tree | 5d47b6578dc2a2c2dc7639047a8ed1afac3e52f2 | |
| parent | a2d60916d0dd4073d8da15bad65f301e9f8085fa (diff) | |
| download | src-0c38e1c3383ab540ed01284be46769263c560d96.tar.gz src-0c38e1c3383ab540ed01284be46769263c560d96.zip | |
arm64: Hyper-V: vmbus: use the IRQ resource from vmbus_res
In ARM64 gen2 Hyper-V, use IRQ resource from vmbus_res, which is owning
the IRQ for current device tree. It allows the MMIO resource to be
successfully allocated for vmbus from parent acpi_syscontainer.
Reviewed by: whu
Tested by: Souradeep Chakrabarti <schakrabarti@microsoft.com>
Sponsored by: Microsoft
Differential Revision: https://reviews.freebsd.org/D37064
| -rw-r--r-- | sys/dev/hyperv/vmbus/aarch64/vmbus_aarch64.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/dev/hyperv/vmbus/aarch64/vmbus_aarch64.c b/sys/dev/hyperv/vmbus/aarch64/vmbus_aarch64.c index ba4d8c9bc36e..66e605b94094 100644 --- a/sys/dev/hyperv/vmbus/aarch64/vmbus_aarch64.c +++ b/sys/dev/hyperv/vmbus/aarch64/vmbus_aarch64.c @@ -111,8 +111,10 @@ vmbus_setup_intr1(struct vmbus_softc *sc) { int err; struct intr_map_data_acpi *irq_data; + device_t dev; - sc->ires = bus_alloc_resource_any(device_get_parent(sc->vmbus_dev), + dev = devclass_get_device(devclass_find("vmbus_res"), 0); + sc->ires = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->vector, RF_ACTIVE | RF_SHAREABLE); if (sc->ires == NULL) { device_printf(sc->vmbus_dev, "bus_alloc_resouce_any failed\n"); |