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| author | Clemens Ladisch <clemens@ladisch.de> | 2005-10-12 17:12:31 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2005-11-04 13:18:43 +0100 |
| commit | de24214d0c8e78134875752619f99b9e5824c196 (patch) | |
| tree | 147f8cdcf5dfb3be2d95409f7ac44af101d2e0a5 /sound/core/rtctimer.c | |
| parent | 2fd43d1159d22395aae01836c4b13ee5265a9b6b (diff) | |
| download | lwn-de24214d0c8e78134875752619f99b9e5824c196.tar.gz lwn-de24214d0c8e78134875752619f99b9e5824c196.zip | |
[ALSA] timers: add module refcounting for global timers
Modules: RTC timer driver,Timer Midlevel
Add a module pointer to the timer structure and use it for refcounting
instead of the card's module pointer to prevent the global timer
modules (rtctimer and hpetimer) from being removed while in use.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Diffstat (limited to 'sound/core/rtctimer.c')
| -rw-r--r-- | sound/core/rtctimer.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sound/core/rtctimer.c b/sound/core/rtctimer.c index 8762ff8938c2..c3c18568207e 100644 --- a/sound/core/rtctimer.c +++ b/sound/core/rtctimer.c @@ -124,7 +124,8 @@ static int __init rtctimer_init(void) if (rtctimer_freq < 2 || rtctimer_freq > 8192 || (rtctimer_freq & (rtctimer_freq - 1)) != 0) { - snd_printk(KERN_ERR "rtctimer: invalid frequency %d\n", rtctimer_freq); + snd_printk(KERN_ERR "rtctimer: invalid frequency %d\n", + rtctimer_freq); return -EINVAL; } @@ -133,6 +134,7 @@ static int __init rtctimer_init(void) if (err < 0) return err; + timer->module = THIS_MODULE; strcpy(timer->name, "RTC timer"); timer->hw = rtc_hw; timer->hw.resolution = NANO_SEC / rtctimer_freq; |