diff options
Diffstat (limited to 'core/interrupts.c')
| -rw-r--r-- | core/interrupts.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/core/interrupts.c b/core/interrupts.c index 35571f2..03a37b2 100644 --- a/core/interrupts.c +++ b/core/interrupts.c @@ -199,6 +199,21 @@ uint32_t get_ics_phandle(void) abort(); } +static bool source_has_opal_interrupts(struct irq_source *is) +{ + /* check with the source first */ + if (is->ops->has_opal_interrupts) + return is->ops->has_opal_interrupts(is); + /* + * Default case: to handle an interrupt in opal, a source + * needs at least an attribute callback to declare it and a + * handler + */ + if (!is->ops->interrupt || !is->ops->attributes) + return false; + return true; +} + void add_opal_interrupts(void) { struct irq_source *is; @@ -214,11 +229,8 @@ void add_opal_interrupts(void) lock(&irq_lock); list_for_each(&irq_sources, is, link) { - /* - * Don't even consider sources that don't have an interrupts - * callback or don't have an attributes one. - */ - if (!is->ops->interrupt || !is->ops->attributes) + + if (!source_has_opal_interrupts(is)) continue; for (isn = is->start; isn < is->end; isn++) { uint64_t attr = is->ops->attributes(is, isn); |