main/syscalls/pci_config_write.md

<!--
Copyright 2023 The Fuchsia Authors. All rights reserved.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.

DO NOT EDIT. Generated from FIDL library zx by zither, a Fuchsia platform tool.

See //docs/reference/syscalls/README.md#documentation-generation for
regeneration instructions.
-->

# zx_pci_config_write

## Summary

This function is obsolete and should not be used.

## Declaration

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

zx_status_t zx_pci_config_write(zx_handle_t handle,
                                uint16_t offset,
                                size_t width,
                                uint32_t val);
```

## 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This function is obsolete and should not be used.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` and have `ZX_RIGHT_WRITE`.

## Return value

TODO(https://fxbug.dev/42108078)

## Errors

TODO(https://fxbug.dev/42108078)

## See also

TODO(https://fxbug.dev/42108078)