mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-25 14:10:43 +00:00
185f812c41
Sphinx expects Return: and not @return to indicate a return value.
find . -name '*.c' -exec \
sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \;
find . -name '*.h' -exec \
sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \;
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* Internal PCI functions, not exported outside drivers/pci
|
|
*
|
|
* Copyright (c) 2015 Google, Inc
|
|
* Written by Simon Glass <sjg@chromium.org>
|
|
*/
|
|
|
|
#ifndef __pci_internal_h
|
|
#define __pci_internal_h
|
|
|
|
/**
|
|
* dm_pciauto_prescan_setup_bridge() - Set up a bridge for scanning
|
|
*
|
|
* This gets a bridge ready so that its downstream devices can be scanned.
|
|
* It sets up the bus number and memory range registers. Once the scan is
|
|
* completed, dm_pciauto_postscan_setup_bridge() should be called.
|
|
*
|
|
* @dev: Bridge device to be scanned
|
|
* @sub_bus: Bus number of the 'other side' of the bridge
|
|
*/
|
|
void dm_pciauto_prescan_setup_bridge(struct udevice *dev, int sub_bus);
|
|
|
|
/**
|
|
* dm_pciauto_postscan_setup_bridge() - Finish set up of a bridge after scanning
|
|
*
|
|
* This should be called after a bus scan is complete. It adjusts the memory
|
|
* ranges to fit with the devices actually found on the other side (downstream)
|
|
* of the bridge.
|
|
*
|
|
* @dev: Bridge device that was scanned
|
|
* @sub_bus: Bus number of the 'other side' of the bridge
|
|
*/
|
|
void dm_pciauto_postscan_setup_bridge(struct udevice *dev, int sub_bus);
|
|
|
|
/**
|
|
* dm_pciauto_config_device() - Configure a PCI device ready for use
|
|
*
|
|
* If the device is a bridge, downstream devices will be probed.
|
|
*
|
|
* @dev: Device to configure
|
|
* Return: the maximum PCI bus number found by this device. If there are no
|
|
* bridges, this just returns the device's bus number. If the device is a
|
|
* bridge then it will return a larger number, depending on the devices on
|
|
* that bridge. On error, returns a -ve error number.
|
|
*/
|
|
int dm_pciauto_config_device(struct udevice *dev);
|
|
|
|
/**
|
|
* pci_get_bus() - Get a pointer to a bus, given its number
|
|
*
|
|
* This looks up a PCI bus based on its bus number. The bus is probed if
|
|
* necessary.
|
|
*
|
|
* @busnum: PCI bus number to look up
|
|
* @busp: Returns PCI bus on success
|
|
* Return: 0 on success, or -ve error
|
|
*/
|
|
int pci_get_bus(int busnum, struct udevice **busp);
|
|
|
|
#endif
|