.TH "pm_find" 9 "pm_find" "25 May 1998" "Kernel Hacker's Manual" LINUX
.SH NAME
pm_find \-  find a device
.SH SYNOPSIS
.B "struct pm_dev *" pm_find
.BI "(pm_dev_t " type ","
.BI "struct pm_dev *" from ");"
.SH ARGUMENTS
.IP "type" 12
 type of device
.IP "from" 12
 where to start looking
.SH "DESCRIPTION"
Scan the power management list for devices of a specific type. The
return value for a matching device may be passed to further calls
to this function to find further matches. A NULL indicates the end
of the list. 

To search from the beginning pass NULL as the \fIfrom\fP value.

The caller MUST hold the pm_devs_lock lock when calling this 
function. The instant that the lock is dropped all pointers returned
may become invalid.