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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.

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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:

QNX Neutrino

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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