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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (c) 2013 Google, Inc
- */
- #include <common.h>
- #include <dm/device.h>
- #include <dm/ofnode.h>
- #include <dm/read.h>
- #include <dm/util.h>
- #include <linux/libfdt.h>
- #include <vsprintf.h>
- #if CONFIG_IS_ENABLED(DM_WARN)
- void dm_warn(const char *fmt, ...)
- {
- va_list args;
- va_start(args, fmt);
- vprintf(fmt, args);
- va_end(args);
- }
- #endif
- int list_count_items(struct list_head *head)
- {
- struct list_head *node;
- int count = 0;
- list_for_each(node, head)
- count++;
- return count;
- }
- #if !CONFIG_IS_ENABLED(OF_PLATDATA)
- int pci_get_devfn(struct udevice *dev)
- {
- struct fdt_pci_addr addr;
- int ret;
- /* Extract the devfn from fdt_pci_addr */
- ret = ofnode_read_pci_addr(dev_ofnode(dev), FDT_PCI_SPACE_CONFIG,
- "reg", &addr);
- if (ret) {
- if (ret != -ENOENT)
- return -EINVAL;
- }
- return addr.phys_hi & 0xff00;
- }
- #endif
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