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wusb: add debug files for ASL, PZL and DI to the whci-hcd driver

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Add asl, pzl and di debugfs files to uwb/uwbN/wusbhc for WHCI host
controller.  These dump the current ASL, PZL and DI buffer.

Signed-off-by: David Vrabel <david.vrabel@csr.com>
This commit is contained in:
David Vrabel
2008-11-26 13:36:59 +00:00
parent e4b49580f7
commit dcc7461eef
12 changed files with 223 additions and 123 deletions
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5
drivers/uwb/pal.c
View File

@ -16,6 +16,7 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/kernel.h>
#include <linux/debugfs.h>
#include <linux/uwb.h>
#include "uwb-internal.h"
@ -54,6 +55,8 @@ int uwb_pal_register(struct uwb_pal *pal)
}
}
pal->debugfs_dir = uwb_dbg_create_pal_dir(pal);
mutex_lock(&rc->uwb_dev.mutex);
list_add(&pal->node, &rc->pals);
mutex_unlock(&rc->uwb_dev.mutex);
@ -76,6 +79,8 @@ void uwb_pal_unregister(struct uwb_pal *pal)
list_del(&pal->node);
mutex_unlock(&rc->uwb_dev.mutex);
debugfs_remove(pal->debugfs_dir);
if (pal->device) {
sysfs_remove_link(&rc->uwb_dev.dev.kobj, pal->name);
sysfs_remove_link(&pal->device->kobj, "uwb_rc");

13
drivers/uwb/uwb-debug.c
View File

@ -407,3 +407,16 @@ void uwb_dbg_exit(void)
{
debugfs_remove(root_dir);
}
/**
* uwb_dbg_create_pal_dir - create a debugfs directory for a PAL
* @pal: The PAL.
*/
struct dentry *uwb_dbg_create_pal_dir(struct uwb_pal *pal)
{
struct uwb_rc *rc = pal->rc;
if (root_dir && rc->dbg && rc->dbg->root_d && pal->name)
return debugfs_create_dir(pal->name, rc->dbg->root_d);
return NULL;
}

3
drivers/uwb/uwb-internal.h
View File

@ -284,8 +284,7 @@ void uwb_dbg_init(void);
void uwb_dbg_exit(void);
void uwb_dbg_add_rc(struct uwb_rc *rc);
void uwb_dbg_del_rc(struct uwb_rc *rc);
/* Workarounds for version specific stuff */
struct dentry *uwb_dbg_create_pal_dir(struct uwb_pal *pal);
static inline void uwb_dev_lock(struct uwb_dev *uwb_dev)
{