QNX Developer Support
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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.
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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 |
See also:
pci_attach(), pci_attach_device(), pci_detach(), pci_find_class(), pci_find_device(), pci_present(), pci_read_config(), pci_read_config8(), pci_read_config16(), pci_read_config32(), pci_rescan_bus(), pci_write_config(), pci_write_config8(), pci_write_config16(), pci_write_config32()
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