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SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
brief: |
Removes a device driver specified by the device major number from the Device
Driver Table.
copyrights:
- Copyright (C) 2020 embedded brains GmbH & Co. KG
- Copyright (C) 1988, 2008 On-Line Applications Research Corporation (OAR)
definition:
default:
attributes: null
body: null
params:
- ${device-major-number:/name} ${.:/params[0]/name}
return: ${../../status/if/code:/name}
variants: []
description: null
enabled-by: true
index-entries:
- unregister a device driver
interface-type: function
links:
- role: interface-placement
uid: header
- role: interface-ingroup
uid: group
- role: constraint
uid: /constraint/directive-not-pre-qualified
name: rtems_io_unregister_driver
notes: |
Currently no specific checks are made and the driver is not closed.
params:
- description: |
is the major number of the device.
dir: null
name: major
return:
return: null
return-values:
- description: |
The requested operation was successful.
value: ${../../status/if/successful:/name}
- description: |
The device major number was invalid.
value: ${../../status/if/unsatisfied:/name}
- description: |
The directive was called from interrupt context.
value: ${../../status/if/called-from-isr:/name}
type: interface
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