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fix(ena/drv): handle last irq disregarding to sl-state #46

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fix(ena/drv): handle last irq disregarding to sl-state #46

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9 changes: 5 additions & 4 deletions drivers/armhf/cpssEnabler/linuxNoKernelModule/drivers/intDriver.c
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Original file line number Diff line number Diff line change
Expand Up @@ -215,13 +215,14 @@ static irqreturn_t prestera_tl_ISR(int irq, void *tl)

BUG_ON(!sl);

if (unlikely((sl->state == IRQ_SLOT_STATE_ALLOCATED))) /* handle last interrupt after process termination */
atomic_dec(&sl->depth);
/* handle last interrupt after process termination
* disregarding to (sl->state==IRQ_SLOT_STATE_ALLOCATED)
*/
atomic_dec(&sl->depth);
/* Disable the interrupt vector */
disable_irq_nosync(irq);
/* Enqueue the PP task BH in the tasklet */
if (unlikely((sl->state == IRQ_SLOT_STATE_ALLOCATED))) /* handle last interrupt after process termination */
tasklet_hi_schedule((struct tasklet_struct *)tl);
tasklet_hi_schedule((struct tasklet_struct *)tl);

return IRQ_HANDLED;
}
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9 changes: 5 additions & 4 deletions drivers/generic/cpssEnabler/linuxNoKernelModule/drivers/intDriver.c
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Original file line number Diff line number Diff line change
Expand Up @@ -117,13 +117,14 @@ static irqreturn_t prestera_tl_ISR(int irq, void *tl)

BUG_ON(!sl);

if (unlikely((sl->state == IRQ_SLOT_STATE_ALLOCATED))) /* handle last interrupt after process termination */
atomic_dec(&sl->depth);
/* handle last interrupt after process termination
* disregarding to (sl->state==IRQ_SLOT_STATE_ALLOCATED)
*/
atomic_dec(&sl->depth);
/* Disable the interrupt vector */
disable_irq_nosync(irq);
/* Enqueue the PP task BH in the tasklet */
if (unlikely((sl->state == IRQ_SLOT_STATE_ALLOCATED))) /* handle last interrupt after process termination */
tasklet_hi_schedule((struct tasklet_struct *)tl);
tasklet_hi_schedule((struct tasklet_struct *)tl);

return IRQ_HANDLED;
}
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