Staging: remove wusbcore and UWB from the kernel tree.

[linux-2.6-microblaze.git] / drivers / staging / uwb / scan.c

diff --git a/drivers/staging/uwb/scan.c b/drivers/staging/uwb/scan.c
deleted file mode 100644 (file)
index ffc3f45..0000000
--- a/drivers/staging/uwb/scan.c
+++ /dev/null
@@ -1,120 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Ultra Wide Band
- * Scanning management
- *
- * Copyright (C) 2005-2006 Intel Corporation
- * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
- *
- * FIXME: docs
- * FIXME: there are issues here on how BEACON and SCAN on USB RCI deal
- *        with each other. Currently seems that START_BEACON while
- *        SCAN_ONLY will cancel the scan, so we need to update the
- *        state here. Clarification request sent by email on
- *        10/05/2005.
- *        10/28/2005 No clear answer heard--maybe we'll hack the API
- *                   so that when we start beaconing, if the HC is
- *                   scanning in a mode not compatible with beaconing
- *                   we just fail.
- */
-
-#include <linux/device.h>
-#include <linux/err.h>
-#include <linux/slab.h>
-#include <linux/stat.h>
-#include "uwb-internal.h"
-
-
-/**
- * Start/stop scanning in a radio controller
- *
- * @rc:      UWB Radio Controller
- * @channel: Channel to scan; encodings in WUSB1.0[Table 5.12]
- * @type:    Type of scanning to do.
- * @bpst_offset: value at which to start scanning (if type ==
- *                UWB_SCAN_ONLY_STARTTIME)
- * @returns: 0 if ok, < 0 errno code on error
- *
- * We put the command on kmalloc'ed memory as some arches cannot do
- * USB from the stack. The reply event is copied from an stage buffer,
- * so it can be in the stack. See WUSB1.0[8.6.2.4] for more details.
- */
-int uwb_rc_scan(struct uwb_rc *rc,
-               unsigned channel, enum uwb_scan_type type,
-               unsigned bpst_offset)
-{
-       int result;
-       struct uwb_rc_cmd_scan *cmd;
-       struct uwb_rc_evt_confirm reply;
-
-       result = -ENOMEM;
-       cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
-       if (cmd == NULL)
-               goto error_kzalloc;
-       mutex_lock(&rc->uwb_dev.mutex);
-       cmd->rccb.bCommandType = UWB_RC_CET_GENERAL;
-       cmd->rccb.wCommand = cpu_to_le16(UWB_RC_CMD_SCAN);
-       cmd->bChannelNumber = channel;
-       cmd->bScanState = type;
-       cmd->wStartTime = cpu_to_le16(bpst_offset);
-       reply.rceb.bEventType = UWB_RC_CET_GENERAL;
-       reply.rceb.wEvent = UWB_RC_CMD_SCAN;
-       result = uwb_rc_cmd(rc, "SCAN", &cmd->rccb, sizeof(*cmd),
-                           &reply.rceb, sizeof(reply));
-       if (result < 0)
-               goto error_cmd;
-       if (reply.bResultCode != UWB_RC_RES_SUCCESS) {
-               dev_err(&rc->uwb_dev.dev,
-                       "SCAN: command execution failed: %s (%d)\n",
-                       uwb_rc_strerror(reply.bResultCode), reply.bResultCode);
-               result = -EIO;
-               goto error_cmd;
-       }
-       rc->scanning = channel;
-       rc->scan_type = type;
-error_cmd:
-       mutex_unlock(&rc->uwb_dev.mutex);
-       kfree(cmd);
-error_kzalloc:
-       return result;
-}
-
-/*
- * Print scanning state
- */
-static ssize_t uwb_rc_scan_show(struct device *dev,
-                               struct device_attribute *attr, char *buf)
-{
-       struct uwb_dev *uwb_dev = to_uwb_dev(dev);
-       struct uwb_rc *rc = uwb_dev->rc;
-       ssize_t result;
-
-       mutex_lock(&rc->uwb_dev.mutex);
-       result = sprintf(buf, "%d %d\n", rc->scanning, rc->scan_type);
-       mutex_unlock(&rc->uwb_dev.mutex);
-       return result;
-}
-
-/*
- *
- */
-static ssize_t uwb_rc_scan_store(struct device *dev,
-                                struct device_attribute *attr,
-                                const char *buf, size_t size)
-{
-       struct uwb_dev *uwb_dev = to_uwb_dev(dev);
-       struct uwb_rc *rc = uwb_dev->rc;
-       unsigned channel;
-       unsigned type;
-       unsigned bpst_offset = 0;
-       ssize_t result = -EINVAL;
-
-       result = sscanf(buf, "%u %u %u\n", &channel, &type, &bpst_offset);
-       if (result >= 2 && type < UWB_SCAN_TOP)
-               result = uwb_rc_scan(rc, channel, type, bpst_offset);
-
-       return result < 0 ? result : size;
-}
-
-/** Radio Control sysfs interface (declaration) */
-DEVICE_ATTR(scan, S_IRUGO | S_IWUSR, uwb_rc_scan_show, uwb_rc_scan_store);