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https://github.com/brain-hackers/u-boot-brain
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caa4daa2ae
We use 'priv' for private data but often use 'platdata' for platform data. We can't really use 'pdata' since that is ambiguous (it could mean private or platform data). Rename some of the latter variables to end with 'plat' for consistency. Signed-off-by: Simon Glass <sjg@chromium.org>
44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (c) 2019 Google, Inc
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*/
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#ifndef __DM_PCI_H
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#define __DM_PCI_H
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struct udevice;
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/**
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* pci_get_devfn() - Extract the devfn from fdt_pci_addr of the device
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*
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* Get devfn from fdt_pci_addr of the specified device
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*
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* This returns an int to avoid a dependency on pci.h
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*
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* @dev: PCI device
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* @return devfn in bits 15...8 if found (pci_dev_t format), or -ENODEV if not
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* found
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*/
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int pci_get_devfn(struct udevice *dev);
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/**
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* pci_ofplat_get_devfn() - Get the PCI dev/fn from of-platdata
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*
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* This function is used to obtain a PCI device/function from of-platdata
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* register data. In this case the first cell of the 'reg' property contains
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* the required information.
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*
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* This returns an int to avoid a dependency on pci.h
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*
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* @reg: reg value from dt-plat.c array (first member). This is not a
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* pointer type, since the caller may use fdt32_t or fdt64_t depending on
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* the address sizes.
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* @return device/function for that device (pci_dev_t format)
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*/
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static inline int pci_ofplat_get_devfn(u32 reg)
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{
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return reg & 0xff00;
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}
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#endif
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