staging: comedi: contec_pci_dio: use attach_pci callback

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Convert this PCI driver to use the comedi PCI auto config attach
mechanism by adding an attach_pci callback function. Since the
driver does not require any external configuration options, disable
the legacy attach by making the attach simply return -ENOSYS. This
removes the need to walk to pci bus to find the pci_dev and the
need for the pci_dev_put in the detach.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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H Hartley Sweeten 2012-08-15 17:32:29 -07:00 • committed by Greg Kroah-Hartman

parent 3256837311

commit 8d02b3aa67

1 changed files with 35 additions and 62 deletions

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drivers/staging/comedi/drivers/contec_pci_dio.c

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