mirror of
https://github.com/brain-hackers/u-boot-brain
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d024236e5a
We have a large number of places where while we historically referenced gd in the code we no longer do, as well as cases where the code added that line "just in case" during development and never dropped it. Signed-off-by: Tom Rini <trini@konsulko.com>
66 lines
1.3 KiB
C
66 lines
1.3 KiB
C
/*
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* Copyright (c) 2014 Google, Inc
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* Written by Simon Glass <sjg@chromium.org>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <dm.h>
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#include <fdtdec.h>
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#include <linux/libfdt.h>
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#include <pci.h>
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#include <dm/lists.h>
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struct sandbox_pci_priv {
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int dev_count;
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};
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int sandbox_pci_get_emul(struct udevice *bus, pci_dev_t find_devfn,
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struct udevice **emulp)
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{
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struct udevice *dev;
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int ret;
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ret = pci_bus_find_devfn(bus, find_devfn, &dev);
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if (ret) {
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debug("%s: Could not find emulator for dev %x\n", __func__,
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find_devfn);
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return ret;
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}
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ret = device_find_first_child(dev, emulp);
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if (ret)
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return ret;
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return *emulp ? 0 : -ENODEV;
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}
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static int sandbox_pci_emul_post_probe(struct udevice *dev)
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{
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struct sandbox_pci_priv *priv = dev->uclass->priv;
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priv->dev_count++;
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sandbox_set_enable_pci_map(true);
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return 0;
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}
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static int sandbox_pci_emul_pre_remove(struct udevice *dev)
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{
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struct sandbox_pci_priv *priv = dev->uclass->priv;
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priv->dev_count--;
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sandbox_set_enable_pci_map(priv->dev_count > 0);
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return 0;
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}
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UCLASS_DRIVER(pci_emul) = {
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.id = UCLASS_PCI_EMUL,
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.name = "pci_emul",
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.post_probe = sandbox_pci_emul_post_probe,
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.pre_remove = sandbox_pci_emul_pre_remove,
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.priv_auto_alloc_size = sizeof(struct sandbox_pci_priv),
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};
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