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PCI: refactor root node detection

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Change-Id: Icc4ab0c3f7258914d798267e08c47977c0987c97
Reviewed-on: https://review.haiku-os.org/c/haiku/+/5547
Tested-by: Commit checker robot <[email protected]>
Reviewed-by: Alex von Gluck IV <[email protected]>
Reviewed-by: David Karoly <[email protected]>
This commit is contained in:
David Karoly
2022-08-17 19:23:51 +00:00
parent 22cfe80c83
commit c6e6743261
1 changed files with 18 additions and 22 deletions
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src/add-ons/kernel/bus_managers/pci/pci_root.cpp
+18 -22
View File
@@ -32,35 +32,31 @@ pci_root_supports_device(device_node* parent)
return -1.0f;
#if defined(__riscv)
const char* compatible;
if (gDeviceManager->get_attr_string(parent, "fdt/compatible", &compatible,
false) < B_OK)
return -1.0f;
if (strcmp(bus, "fdt") == 0) {
const char* compatible;
if (gDeviceManager->get_attr_string(parent, "fdt/compatible", &compatible, false) < B_OK)
return -1.0f;
if (strcmp(bus, "fdt") != 0)
return 0.0f;
if (strcmp(compatible, "pci-host-ecam-generic") != 0
&& strcmp(compatible, "sifive,fu740-pcie") != 0) {
return 0.0f;
if (strcmp(compatible, "pci-host-ecam-generic") == 0
|| strcmp(compatible, "sifive,fu740-pcie") == 0) {
return 1.0f;
}
}
#elif defined(__aarch64__)
if (strcmp(bus, "acpi") != 0)
return -1.0f;
if (strcmp(bus, "acpi") == 0) {
const char* hid;
if (gDeviceManager->get_attr_string(parent, ACPI_DEVICE_HID_ITEM, &hid, false) < B_OK)
return -1.0f;
const char* hid;
if (gDeviceManager->get_attr_string(parent, ACPI_DEVICE_HID_ITEM, &hid,
false) < B_OK)
return -1.0f;
if (strcmp(hid, "PNP0A03") != 0 && strcmp(hid, "PNP0A08") != 0)
return -1.0f;
if (strcmp(hid, "PNP0A03") == 0 || strcmp(hid, "PNP0A08") == 0)
return 1.0f;
}
#else
if (strcmp(bus, "root") != 0)
return 0.0f;
if (strcmp(bus, "root") == 0)
return 1.0f;
#endif
return 1.0;
return 0.0;
}