#include <linux/completion.h>
#include <linux/hyperv.h>
#include <linux/kernel_stat.h>
+#include <linux/of_address.h>
#include <linux/clockchips.h>
#include <linux/cpu.h>
#include <linux/sched/isolation.h>
device_unregister(&device_obj->device);
}
-
+#ifdef CONFIG_ACPI
/*
* VMBUS is an acpi enumerated device. Get the information we
* need from DSDT.
return AE_OK;
}
+#endif
static void vmbus_mmio_remove(void)
{
}
}
-static void vmbus_reserve_fb(void)
+static void __maybe_unused vmbus_reserve_fb(void)
{
resource_size_t start = 0, size;
struct pci_dev *pdev;
}
EXPORT_SYMBOL_GPL(vmbus_free_mmio);
+#ifdef CONFIG_ACPI
static int vmbus_acpi_add(struct platform_device *pdev)
{
acpi_status result;
vmbus_mmio_remove();
return ret_val;
}
+#else
+static int vmbus_acpi_add(struct platform_device *pdev)
+{
+ return 0;
+}
+#endif
+
+static int vmbus_device_add(struct platform_device *pdev)
+{
+ struct resource **cur_res = &hyperv_mmio;
+ struct of_range range;
+ struct of_range_parser parser;
+ struct device_node *np = pdev->dev.of_node;
+ int ret;
+
+ hv_dev = &pdev->dev;
+
+ ret = of_range_parser_init(&parser, np);
+ if (ret)
+ return ret;
+
+ for_each_of_range(&parser, &range) {
+ struct resource *res;
+
+ res = kzalloc(sizeof(*res), GFP_KERNEL);
+ if (!res) {
+ vmbus_mmio_remove();
+ return -ENOMEM;
+ }
+
+ res->name = "hyperv mmio";
+ res->flags = range.flags;
+ res->start = range.cpu_addr;
+ res->end = range.cpu_addr + range.size;
+
+ *cur_res = res;
+ cur_res = &res->sibling;
+ }
+
+ return ret;
+}
static int vmbus_platform_driver_probe(struct platform_device *pdev)
{
- return vmbus_acpi_add(pdev);
+ if (acpi_disabled)
+ return vmbus_device_add(pdev);
+ else
+ return vmbus_acpi_add(pdev);
}
static int vmbus_platform_driver_remove(struct platform_device *pdev)
#define vmbus_bus_resume NULL
#endif /* CONFIG_PM_SLEEP */
-static const struct acpi_device_id vmbus_acpi_device_ids[] = {
+static const __maybe_unused struct of_device_id vmbus_of_match[] = {
+ {
+ .compatible = "microsoft,vmbus",
+ },
+ {
+ /* sentinel */
+ },
+};
+MODULE_DEVICE_TABLE(of, vmbus_of_match);
+
+static const __maybe_unused struct acpi_device_id vmbus_acpi_device_ids[] = {
{"VMBUS", 0},
{"VMBus", 0},
{"", 0},
.driver = {
.name = "vmbus",
.acpi_match_table = ACPI_PTR(vmbus_acpi_device_ids),
+ .of_match_table = of_match_ptr(vmbus_of_match),
.pm = &vmbus_bus_pm,
.probe_type = PROBE_FORCE_SYNCHRONOUS,
}