treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / xen / xen-pciback / conf_space_quirks.h
blobd873abe35bf665193a34d9cdf516b60ecb2f5e93
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 * PCI Backend - Data structures for special overlays for broken devices.
5 * Ryan Wilson <hap9@epoch.ncsc.mil>
6 * Chris Bookholt <hap10@epoch.ncsc.mil>
7 */
9 #ifndef __XEN_PCIBACK_CONF_SPACE_QUIRKS_H__
10 #define __XEN_PCIBACK_CONF_SPACE_QUIRKS_H__
12 #include <linux/pci.h>
13 #include <linux/list.h>
15 struct xen_pcibk_config_quirk {
16 struct list_head quirks_list;
17 struct pci_device_id devid;
18 struct pci_dev *pdev;
21 int xen_pcibk_config_quirks_add_field(struct pci_dev *dev, struct config_field
22 *field);
24 int xen_pcibk_config_quirks_remove_field(struct pci_dev *dev, int reg);
26 int xen_pcibk_config_quirks_init(struct pci_dev *dev);
28 void xen_pcibk_config_field_free(struct config_field *field);
30 int xen_pcibk_config_quirk_release(struct pci_dev *dev);
32 int xen_pcibk_field_is_dup(struct pci_dev *dev, unsigned int reg);
34 #endif