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/* Iterate over one list of devices used internally by driver manager
*
* COPYRIGHT (c) 2009 Cobham Gaisler AB.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#include <drvmgr/drvmgr.h>
#include <drvmgr/drvmgr_list.h>
#include "drvmgr_internal.h"
int drvmgr_for_each_listdev(
struct drvmgr_list *devlist,
unsigned int state_set_mask,
unsigned int state_clr_mask,
int (*func)(struct drvmgr_dev *dev, void *arg),
void *arg
)
{
struct drvmgr_dev *dev;
int ret = 0;
DRVMGR_LOCK_READ();
/* Get First Device */
dev = DEV_LIST_HEAD(devlist);
while (dev) {
if (((state_set_mask != 0) && ((dev->state & state_set_mask) == state_set_mask)) ||
((state_clr_mask != 0) && ((dev->state & state_clr_mask) == 0)) ||
((state_set_mask == 0) && (state_clr_mask == 0))) {
ret = func(dev, arg);
if (ret != 0)
break;
}
dev = dev->next;
}
DRVMGR_UNLOCK();
return ret;
}
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