u-boot/drivers/core/util.c
Simon Glass 9539738509 treewide: Use OF_REAL instead of !OF_PLATDATA
Now that we have a 'positive' Kconfig option, use this instead of the
negative one, which is harder to understand.

Signed-off-by: Simon Glass <sjg@chromium.org>
2021-09-25 09:46:15 -06:00

41 lines
721 B
C

// 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>
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_REAL)
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