/* SPDX-License-Identifier: BSD-2-Clause */ /* Iterate over one list of devices used internally by driver manager * * COPYRIGHT (c) 2009 Cobham Gaisler AB. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include #include #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; }