diff options
| author | Michael Buesch <mb@bu3sch.de> | 2009-01-25 15:49:59 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-01-29 22:01:47 +0100 |
| commit | 060210f938d8aa0b9d795588a2274cd67ba9d6a4 (patch) | |
| tree | 74eceabb2bb5b945862f49e567bf862d243ff13a /drivers/net/wireless/b43/debugfs.c | |
| parent | b43: Accessing the TSF via mac80211 (diff) | |
| download | linux-060210f938d8aa0b9d795588a2274cd67ba9d6a4.tar.xz linux-060210f938d8aa0b9d795588a2274cd67ba9d6a4.zip | |
b43: Dynamically control log verbosity
Dynamically control the log verbosity with a module parameter.
This enables us to dynamically enable debugging messages (or disable
info, warn, error messages) via module parameter or /sys/module/b43/parameters/verbose.
This increases the module size by about 3k. But in practice it reduces the
module size for the user, because some distributions ship the b43 module
with CONFIG_B43_DEBUG set, which increases the module by about 15k.
So with this patch applied, distributions should really _disable_ CONFIG_B43_DEBUG.
There is no reason to keep it in a production-release kernel.
So we have a net reduction in size by about 12k.
This patch also adds a printk of the wireless core revision, so people
don't have to enable SSB debugging to get the wireless core revision.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/b43/debugfs.c')
| -rw-r--r-- | drivers/net/wireless/b43/debugfs.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/net/wireless/b43/debugfs.c b/drivers/net/wireless/b43/debugfs.c index 7ed0eeeddeaa..bc2767da46e8 100644 --- a/drivers/net/wireless/b43/debugfs.c +++ b/drivers/net/wireless/b43/debugfs.c @@ -668,9 +668,18 @@ B43_DEBUGFS_FOPS(restart, NULL, restart_write_file, 1); B43_DEBUGFS_FOPS(loctls, loctls_read_file, NULL, 0); -int b43_debug(struct b43_wldev *dev, enum b43_dyndbg feature) +bool b43_debug(struct b43_wldev *dev, enum b43_dyndbg feature) { - return !!(dev->dfsentry && dev->dfsentry->dyn_debug[feature]); + bool enabled; + + enabled = (dev->dfsentry && dev->dfsentry->dyn_debug[feature]); + if (unlikely(enabled)) { + /* Force full debugging messages, if the user enabled + * some dynamic debugging feature. */ + b43_modparam_verbose = B43_VERBOSITY_MAX; + } + + return enabled; } static void b43_remove_dynamic_debug(struct b43_wldev *dev) |