docs/reference/syscalls/pci_query_irq_mode.md

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# zx_pci_query_irq_mode

## Summary

This function is obsolete and should not be used.

## Declaration

```c
#include <zircon/syscalls.h>

zx_status_t zx_pci_query_irq_mode(zx_handle_t handle,
                                  uint32_t mode,
                                  uint32_t* out_max_irqs);
```

## Description

This function is obsolete and should not be used. Drivers should instead use the PCI protocol
Typically, you obtain this in your **bind()** function through **device_get_protocol()**.

## Rights

*handle* must be of type **ZX_OBJ_TYPE_PCI_DEVICE** and have **ZX_RIGHT_READ**.

## Return value

TODO(fxbug.dev/32938)

## Errors

TODO(fxbug.dev/32938)

## See also

TODO(fxbug.dev/32938)