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| author | David Vrabel <david.vrabel@csr.com> | 2008-11-26 13:36:59 +0000 |
|---|---|---|
| committer | David Vrabel <david.vrabel@csr.com> | 2008-11-26 13:36:59 +0000 |
| commit | dcc7461eef7341e84e2f7274f904ce01a43b2506 (patch) | |
| tree | 25afd640b7ed7fc1efc29fd0075f0d399af93e84 /drivers/uwb | |
| parent | e4b49580f70380a4216ff8220c8f48a95e21c238 (diff) | |
| download | lwn-dcc7461eef7341e84e2f7274f904ce01a43b2506.tar.gz lwn-dcc7461eef7341e84e2f7274f904ce01a43b2506.zip | |
wusb: add debug files for ASL, PZL and DI to the whci-hcd driver
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>
Diffstat (limited to 'drivers/uwb')
| -rw-r--r-- | drivers/uwb/pal.c | 5 | ||||
| -rw-r--r-- | drivers/uwb/uwb-debug.c | 13 | ||||
| -rw-r--r-- | drivers/uwb/uwb-internal.h | 3 |
3 files changed, 19 insertions, 2 deletions
diff --git a/drivers/uwb/pal.c b/drivers/uwb/pal.c index 605765124f5b..99a19c199095 100644 --- a/drivers/uwb/pal.c +++ b/drivers/uwb/pal.c @@ -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"); diff --git a/drivers/uwb/uwb-debug.c b/drivers/uwb/uwb-debug.c index ec1b7a403ff3..a6debb9baf38 100644 --- a/drivers/uwb/uwb-debug.c +++ b/drivers/uwb/uwb-debug.c @@ -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; +} diff --git a/drivers/uwb/uwb-internal.h b/drivers/uwb/uwb-internal.h index 9c0cdb4ded0c..f0f21f406bf0 100644 --- a/drivers/uwb/uwb-internal.h +++ b/drivers/uwb/uwb-internal.h @@ -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) { |