pci_detach_device()
Detach a driver from a PCI device
Synopsis:
#include <hw/pci.h>
int pci_detach_device( void* handle );
Arguments:
- handle
- The handle returned by pci_attach_device() .
Library:
libc
Use the -l c option to qcc to link against this library. This library is usually included automatically.
Description:
The pci_detach_device() function detaches a driver from a PCI device. Any resources allocated with pci_attach_device() are released, unless you attached the device with the PCI_PERSIST flag set.
You must successfully call
pci_attach()
before calling any of the other PCI functions.
Returns:
- PCI_DEVICE_NOT_FOUND
- No device could be found for handle.
- PCI_SUCCESS
- Success.
- -1
- You haven't called pci_attach() , or the call to it failed.
Classification:
| Safety: | |
|---|---|
| Cancellation point | Yes |
| Interrupt handler | No |
| Signal handler | Yes |
| Thread | Yes |