linux-imx

/*

 * Linux WiMAX

 * Implement and export a method for resetting a WiMAX device

 *

 *

 * Copyright (C) 2008 Intel Corporation <linux-wimax@intel.com>

 * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License version

 * 2 as published by the Free Software Foundation.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

 * 02110-1301, USA.

 *

 *

 * This implements a simple synchronous call to reset a WiMAX device.

 *

 * Resets aim at being warm, keeping the device handles active;

 * however, when that fails, it falls back to a cold reset (that will

 * disconnect and reconnect the device).

 */

​

#include <net/wimax.h>

#include <net/genetlink.h>

#include <linux/wimax.h>

#include <linux/security.h>

#include <linux/export.h>

#include "wimax-internal.h"

​

#define D_SUBMODULE op_reset

#include "debug-levels.h"

​

​

/**

 * wimax_reset - Reset a WiMAX device

 *

 * @wimax_dev: WiMAX device descriptor

 *

 * Returns:

 *

 * %0 if ok and a warm reset was done (the device still exists in

 * the system).

 *

 * -%ENODEV if a cold/bus reset had to be done (device has

 * disconnected and reconnected, so current handle is not valid

 * any more).

 *

 * -%EINVAL if the device is not even registered.

 *

 * Any other negative error code shall be considered as

 * non-recoverable.

 *

 * Description:

 *

 * Called when wanting to reset the device for any reason. Device is