---
name: "ata_port_start"
section: "9"
platform: "linux"
package: "linux-manual-2.6.32"
version: "2.6.32-48squeeze6"
release: "Debian 6.0 (Squeeze)"
platforms: ["linux"]
url: "https://new.carta.tech/ata_port_start"
---

# ata\_port\_start(9)

Set port up for dma.

## NAME

ata\_port\_start - Set port up for dma.

## SYNOPSIS

**int ata\_port\_start(struct ata\_port \*** *ap***);**

## ARGUMENTS

*ap*

Port to initialize

## DESCRIPTION

Called just after data structures for each port are initialized. Allocates space for PRD table.

May be used as the **port\_start** entry in ata\_port\_operations.

## LOCKING

Inherited from caller.

## AUTHOR

**Jeff Garzik**

Author.

## COPYRIGHT