subsys_virtual_register man page on OpenSuSE

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SUBSYS_VIRTUAL_REGIS(9)	 Device drivers infrastructure SUBSYS_VIRTUAL_REGIS(9)

NAME
       subsys_virtual_register - register a subsystem at /sys/devices/virtual/

SYNOPSIS
       int subsys_virtual_register(struct bus_type * subsys,
				   const struct attribute_group ** groups);

ARGUMENTS
       subsys
	   virtual subsystem

       groups
	   default attributes for the root device

DESCRIPTION
       All 'virtual' subsystems have a /sys/devices/system/<name> root device
       with the name of the subystem. The root device can carry subsystem-wide
       attributes. All registered devices are below this single root device.
       There's no restriction on device naming. This is for kernel software
       constructs which need sysfs interface.

COPYRIGHT
Kernel Hackers Manual 3.11	 November 2013	       SUBSYS_VIRTUAL_REGIS(9)
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