mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-23 19:43:33 +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>
43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* Copyright (c) 2019 Google, Inc
|
|
*/
|
|
|
|
#ifndef __DM_PCI_H
|
|
#define __DM_PCI_H
|
|
|
|
struct udevice;
|
|
|
|
/**
|
|
* pci_get_devfn() - Extract the devfn from fdt_pci_addr of the device
|
|
*
|
|
* Get devfn from fdt_pci_addr of the specified device
|
|
*
|
|
* This returns an int to avoid a dependency on pci.h
|
|
*
|
|
* @dev: PCI device
|
|
* Return: devfn in bits 15...8 if found (pci_dev_t format), or -ENODEV if not
|
|
* found
|
|
*/
|
|
int pci_get_devfn(struct udevice *dev);
|
|
|
|
/**
|
|
* pci_ofplat_get_devfn() - Get the PCI dev/fn from of-platdata
|
|
*
|
|
* This function is used to obtain a PCI device/function from of-platdata
|
|
* register data. In this case the first cell of the 'reg' property contains
|
|
* the required information.
|
|
*
|
|
* This returns an int to avoid a dependency on pci.h
|
|
*
|
|
* @reg: reg value from dt-plat.c array (first member). This is not a
|
|
* pointer type, since the caller may use fdt32_t or fdt64_t depending on
|
|
* the address sizes.
|
|
* Return: device/function for that device (pci_dev_t format)
|
|
*/
|
|
static inline int pci_ofplat_get_devfn(u32 reg)
|
|
{
|
|
return reg & 0xff00;
|
|
}
|
|
|
|
#endif
|