PCI PM: Fix handling of devices without drivers
[linux-2.6] / drivers / pci / hotplug.c
1 #include <linux/kernel.h>
2 #include <linux/pci.h>
3 #include <linux/module.h>
4 #include "pci.h"
5
6 int pci_uevent(struct device *dev, struct kobj_uevent_env *env)
7 {
8         struct pci_dev *pdev;
9
10         if (!dev)
11                 return -ENODEV;
12
13         pdev = to_pci_dev(dev);
14         if (!pdev)
15                 return -ENODEV;
16
17         if (add_uevent_var(env, "PCI_CLASS=%04X", pdev->class))
18                 return -ENOMEM;
19
20         if (add_uevent_var(env, "PCI_ID=%04X:%04X", pdev->vendor, pdev->device))
21                 return -ENOMEM;
22
23         if (add_uevent_var(env, "PCI_SUBSYS_ID=%04X:%04X", pdev->subsystem_vendor,
24                            pdev->subsystem_device))
25                 return -ENOMEM;
26
27         if (add_uevent_var(env, "PCI_SLOT_NAME=%s", pci_name(pdev)))
28                 return -ENOMEM;
29
30         if (add_uevent_var(env, "MODALIAS=pci:v%08Xd%08Xsv%08Xsd%08Xbc%02Xsc%02Xi%02x",
31                            pdev->vendor, pdev->device,
32                            pdev->subsystem_vendor, pdev->subsystem_device,
33                            (u8)(pdev->class >> 16), (u8)(pdev->class >> 8),
34                            (u8)(pdev->class)))
35                 return -ENOMEM;
36         return 0;
37 }