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Date: Wed, 10 Feb 2016 07:23:29 +0800
From: kbuild test robot <lkp@...el.com>
To: Jordan_Hargrave@...l.com
Cc: kbuild-all@...org, jharg93@...il.com, jdelvare@...e.de,
Jordan_Hargrave@...l.com, tglx@...utronix.de, bhelgaas@...gle.com,
mingo@...hat.com, hpa@...or.com, linux-kernel@...r.kernel.org,
linxu-pci@...r.kernel.org
Subject: Re: [PATCH] Create pci slot files for SMBIOS Type 9 entries
Hi,
[auto build test ERROR on pci/next]
[also build test ERROR on v4.5-rc3 next-20160209]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
url: https://github.com/0day-ci/linux/commits/Jordan_Hargrave-Dell-com/Create-pci-slot-files-for-SMBIOS-Type-9-entries/20160210-070842
base: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next
config: x86_64-randconfig-x013-201606 (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
All error/warnings (new ones prefixed by >>):
In file included from include/uapi/linux/stddef.h:1:0,
from include/linux/stddef.h:4,
from include/uapi/linux/posix_types.h:4,
from include/uapi/linux/types.h:13,
from include/linux/types.h:5,
from include/uapi/linux/capability.h:16,
from include/linux/capability.h:15,
from include/linux/sched.h:15,
from arch/x86/pci/common.c:7:
arch/x86/pci/common.c: In function 'pcibios_add_bus':
>> arch/x86/pci/common.c:182:12: error: dereferencing pointer to incomplete type 'struct dmi_dev_onboard'
if (dslot->segment == pci_domain_nr(bus) &&
^
include/linux/compiler.h:147:28: note: in definition of macro '__trace_if'
if (__builtin_constant_p((cond)) ? !!(cond) : \
^
>> arch/x86/pci/common.c:182:3: note: in expansion of macro 'if'
if (dslot->segment == pci_domain_nr(bus) &&
^
vim +182 arch/x86/pci/common.c
1 /*
2 * Low-Level PCI Support for PC
3 *
4 * (c) 1999--2000 Martin Mares <mj@....cz>
5 */
6
> 7 #include <linux/sched.h>
8 #include <linux/pci.h>
9 #include <linux/pci-acpi.h>
10 #include <linux/ioport.h>
11 #include <linux/init.h>
12 #include <linux/dmi.h>
13 #include <linux/slab.h>
14
15 #include <asm/acpi.h>
16 #include <asm/segment.h>
17 #include <asm/io.h>
18 #include <asm/smp.h>
19 #include <asm/pci_x86.h>
20 #include <asm/setup.h>
21
22 unsigned int pci_probe = PCI_PROBE_BIOS | PCI_PROBE_CONF1 | PCI_PROBE_CONF2 |
23 PCI_PROBE_MMCONF;
24
25 unsigned int pci_early_dump_regs;
26 static int pci_bf_sort;
27 static int smbios_type_b1_flag;
28 int pci_routeirq;
29 int noioapicquirk;
30 #ifdef CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS
31 int noioapicreroute = 0;
32 #else
33 int noioapicreroute = 1;
34 #endif
35 int pcibios_last_bus = -1;
36 unsigned long pirq_table_addr;
37 const struct pci_raw_ops *__read_mostly raw_pci_ops;
38 const struct pci_raw_ops *__read_mostly raw_pci_ext_ops;
39
40 int raw_pci_read(unsigned int domain, unsigned int bus, unsigned int devfn,
41 int reg, int len, u32 *val)
42 {
43 if (domain == 0 && reg < 256 && raw_pci_ops)
44 return raw_pci_ops->read(domain, bus, devfn, reg, len, val);
45 if (raw_pci_ext_ops)
46 return raw_pci_ext_ops->read(domain, bus, devfn, reg, len, val);
47 return -EINVAL;
48 }
49
50 int raw_pci_write(unsigned int domain, unsigned int bus, unsigned int devfn,
51 int reg, int len, u32 val)
52 {
53 if (domain == 0 && reg < 256 && raw_pci_ops)
54 return raw_pci_ops->write(domain, bus, devfn, reg, len, val);
55 if (raw_pci_ext_ops)
56 return raw_pci_ext_ops->write(domain, bus, devfn, reg, len, val);
57 return -EINVAL;
58 }
59
60 static int pci_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *value)
61 {
62 return raw_pci_read(pci_domain_nr(bus), bus->number,
63 devfn, where, size, value);
64 }
65
66 static int pci_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 value)
67 {
68 return raw_pci_write(pci_domain_nr(bus), bus->number,
69 devfn, where, size, value);
70 }
71
72 struct pci_ops pci_root_ops = {
73 .read = pci_read,
74 .write = pci_write,
75 };
76
77 /*
78 * This interrupt-safe spinlock protects all accesses to PCI
79 * configuration space.
80 */
81 DEFINE_RAW_SPINLOCK(pci_config_lock);
82
83 static int __init can_skip_ioresource_align(const struct dmi_system_id *d)
84 {
85 pci_probe |= PCI_CAN_SKIP_ISA_ALIGN;
86 printk(KERN_INFO "PCI: %s detected, can skip ISA alignment\n", d->ident);
87 return 0;
88 }
89
90 static const struct dmi_system_id can_skip_pciprobe_dmi_table[] __initconst = {
91 /*
92 * Systems where PCI IO resource ISA alignment can be skipped
93 * when the ISA enable bit in the bridge control is not set
94 */
95 {
96 .callback = can_skip_ioresource_align,
97 .ident = "IBM System x3800",
98 .matches = {
99 DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
100 DMI_MATCH(DMI_PRODUCT_NAME, "x3800"),
101 },
102 },
103 {
104 .callback = can_skip_ioresource_align,
105 .ident = "IBM System x3850",
106 .matches = {
107 DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
108 DMI_MATCH(DMI_PRODUCT_NAME, "x3850"),
109 },
110 },
111 {
112 .callback = can_skip_ioresource_align,
113 .ident = "IBM System x3950",
114 .matches = {
115 DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
116 DMI_MATCH(DMI_PRODUCT_NAME, "x3950"),
117 },
118 },
119 {}
120 };
121
122 void __init dmi_check_skip_isa_align(void)
123 {
124 dmi_check_system(can_skip_pciprobe_dmi_table);
125 }
126
127 static void pcibios_fixup_device_resources(struct pci_dev *dev)
128 {
129 struct resource *rom_r = &dev->resource[PCI_ROM_RESOURCE];
130 struct resource *bar_r;
131 int bar;
132
133 if (pci_probe & PCI_NOASSIGN_BARS) {
134 /*
135 * If the BIOS did not assign the BAR, zero out the
136 * resource so the kernel doesn't attmept to assign
137 * it later on in pci_assign_unassigned_resources
138 */
139 for (bar = 0; bar <= PCI_STD_RESOURCE_END; bar++) {
140 bar_r = &dev->resource[bar];
141 if (bar_r->start == 0 && bar_r->end != 0) {
142 bar_r->flags = 0;
143 bar_r->end = 0;
144 }
145 }
146 }
147
148 if (pci_probe & PCI_NOASSIGN_ROMS) {
149 if (rom_r->parent)
150 return;
151 if (rom_r->start) {
152 /* we deal with BIOS assigned ROM later */
153 return;
154 }
155 rom_r->start = rom_r->end = rom_r->flags = 0;
156 }
157 }
158
159 /*
160 * Called after each bus is probed, but before its children
161 * are examined.
162 */
163
164 void pcibios_fixup_bus(struct pci_bus *b)
165 {
166 struct pci_dev *dev;
167
168 pci_read_bridge_bases(b);
169 list_for_each_entry(dev, &b->devices, bus_list)
170 pcibios_fixup_device_resources(dev);
171 }
172
173 void pcibios_add_bus(struct pci_bus *bus)
174 {
175 const struct dmi_device *dmi;
176 struct dmi_dev_onboard *dslot;
177
178 dmi = NULL;
179 while ((dmi = dmi_find_device(DMI_DEV_TYPE_DEV_SLOT,
180 NULL, dmi)) != NULL) {
181 dslot = dmi->device_data;
> 182 if (dslot->segment == pci_domain_nr(bus) &&
183 dslot->bus == bus->number) {
184 dev_info(&bus->dev, "Found SMBIOS Slot %s\n",
185 dslot->dev.name);
---
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