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uwb: per-radio controller event thread and beacon cache

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Use an event thread per-radio controller so processing events from one
radio controller doesn't delay another.

A radio controller shouldn't have information on devices seen by a
different radio controller (they may be on different channels) so make the
beacon cache per-radio controller.

Signed-off-by: Stefano Panella <stefano.panella@csr.com>
Signed-off-by: David Vrabel <david.vrabel@csr.com>
This commit is contained in:
Stefano Panella 2008-11-04 15:39:08 +00:00 • committed by David Vrabel
parent 6d5a681dfb
commit fec1a5932f
6 changed files with 100 additions and 122 deletions
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21
drivers/uwb/lc-rc.c
View file

@ -36,8 +36,6 @@
#include <linux/etherdevice.h>
#include <linux/usb.h>
#define D_LOCAL 1
#include <linux/uwb/debug.h>
#include "uwb-internal.h"
static int uwb_rc_index_match(struct device *dev, void *data)
@ -83,7 +81,6 @@ static void uwb_rc_sys_release(struct device *dev)
uwb_rc_neh_destroy(rc);
uwb_rc_ie_release(rc);
d_printf(1, dev, "freed uwb_rc %p\n", rc);
kfree(rc);
}
@ -100,6 +97,8 @@ void uwb_rc_init(struct uwb_rc *rc)
rc->scan_type = UWB_SCAN_DISABLED;
INIT_LIST_HEAD(&rc->notifs_chain.list);
mutex_init(&rc->notifs_chain.mutex);
INIT_LIST_HEAD(&rc->uwb_beca.list);
mutex_init(&rc->uwb_beca.mutex);
uwb_drp_avail_init(rc);
uwb_rc_ie_init(rc);
uwb_rsv_init(rc);
@ -250,6 +249,12 @@ int uwb_rc_add(struct uwb_rc *rc, struct device *parent_dev, void *priv)
rc->priv = priv;
init_waitqueue_head(&rc->uwbd.wq);
INIT_LIST_HEAD(&rc->uwbd.event_list);
spin_lock_init(&rc->uwbd.event_list_lock);
uwbd_start(rc);
result = rc->start(rc);
if (result < 0)
goto error_rc_start;
@ -284,7 +289,7 @@ error_sys_add:
error_dev_add:
error_rc_setup:
rc->stop(rc);
uwbd_flush(rc);
uwbd_stop(rc);
error_rc_start:
return result;
}
@ -315,16 +320,18 @@ void uwb_rc_rm(struct uwb_rc *rc)
uwb_rc_reset(rc);
rc->stop(rc);
uwbd_flush(rc);
uwbd_stop(rc);
uwb_dev_lock(&rc->uwb_dev);
rc->priv = NULL;
rc->cmd = NULL;
uwb_dev_unlock(&rc->uwb_dev);
mutex_lock(&uwb_beca.mutex);
mutex_lock(&rc->uwb_beca.mutex);
uwb_dev_for_each(rc, uwb_dev_offair_helper, NULL);
__uwb_rc_sys_rm(rc);
mutex_unlock(&uwb_beca.mutex);
mutex_unlock(&rc->uwb_beca.mutex);
uwb_beca_release(rc);
uwb_dev_rm(&rc->uwb_dev);
}
EXPORT_SYMBOL_GPL(uwb_rc_rm);