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dahdi: Clear DAHDI_ALARM_NOTOPEN when spans are re-initialized.

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This eliminates the need for board drivers to always re-report their alarm
states when spans are unassigned and then reassigned.

Signed-off-by: Shaun Ruffell <sruffell@digium.com>
This commit is contained in:
Shaun Ruffell 2013-10-24 11:54:46 -05:00
parent 4a6ecbbdeb
commit 496f817773
1 changed files with 7 additions and 0 deletions
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7
drivers/dahdi/dahdi-base.c
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@ -7153,6 +7153,13 @@ static void __dahdi_init_span(struct dahdi_span *span)
spin_lock_init(&span->lock);
clear_bit(DAHDI_FLAGBIT_REGISTERED, &span->flags);
/* DAHDI_ALARM_NOTOPEN can be set when a span is disabled, i.e. via
* sysfs, so when the span is being initialized again before
* reassignment we should make sure it's cleared. This eliminates the
* need for board drivers to re-report their alarm states on span
* reassignment. */
span->alarms &= ~DAHDI_ALARM_NOTOPEN;
if (!span->deflaw) {
module_printk(KERN_NOTICE, "Span %s didn't specify default "
"law. Assuming mulaw, please fix driver!\n",