mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-23 20:53:53 +08:00
312c004d36
Leave the overloaded "hotplug" word to susbsystems which are handling real devices. The driver core does not "plug" anything, it just exports the state to userspace and generates events. Signed-off-by: Kay Sievers <kay.sievers@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
#include <linux/kernel.h>
|
|
#include <linux/pci.h>
|
|
#include <linux/module.h>
|
|
#include "pci.h"
|
|
|
|
int pci_uevent(struct device *dev, char **envp, int num_envp,
|
|
char *buffer, int buffer_size)
|
|
{
|
|
struct pci_dev *pdev;
|
|
int i = 0;
|
|
int length = 0;
|
|
|
|
if (!dev)
|
|
return -ENODEV;
|
|
|
|
pdev = to_pci_dev(dev);
|
|
if (!pdev)
|
|
return -ENODEV;
|
|
|
|
if (add_uevent_var(envp, num_envp, &i,
|
|
buffer, buffer_size, &length,
|
|
"PCI_CLASS=%04X", pdev->class))
|
|
return -ENOMEM;
|
|
|
|
if (add_uevent_var(envp, num_envp, &i,
|
|
buffer, buffer_size, &length,
|
|
"PCI_ID=%04X:%04X", pdev->vendor, pdev->device))
|
|
return -ENOMEM;
|
|
|
|
if (add_uevent_var(envp, num_envp, &i,
|
|
buffer, buffer_size, &length,
|
|
"PCI_SUBSYS_ID=%04X:%04X", pdev->subsystem_vendor,
|
|
pdev->subsystem_device))
|
|
return -ENOMEM;
|
|
|
|
if (add_uevent_var(envp, num_envp, &i,
|
|
buffer, buffer_size, &length,
|
|
"PCI_SLOT_NAME=%s", pci_name(pdev)))
|
|
return -ENOMEM;
|
|
|
|
if (add_uevent_var(envp, num_envp, &i,
|
|
buffer, buffer_size, &length,
|
|
"MODALIAS=pci:v%08Xd%08Xsv%08Xsd%08Xbc%02Xsc%02Xi%02x",
|
|
pdev->vendor, pdev->device,
|
|
pdev->subsystem_vendor, pdev->subsystem_device,
|
|
(u8)(pdev->class >> 16), (u8)(pdev->class >> 8),
|
|
(u8)(pdev->class)))
|
|
return -ENOMEM;
|
|
|
|
envp[i] = NULL;
|
|
|
|
return 0;
|
|
}
|