so we do not slow down barebox on too much polling
specialy on USB drivers
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx>
---
common/poller.c | 11 ++++++++++-
include/poller.h | 3 +++
2 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/common/poller.c b/common/poller.c
index 496636d..58b105d 100644
--- a/common/poller.c
+++ b/common/poller.c
@@ -24,6 +24,9 @@ int poller_register(struct poller_struct *poller)
list_add_tail(&poller->list, &poller_list);
poller->registered = 1;
+ if (poller->frequency)
+ poller->poll_next = get_time_ns();
+
return 0;
}
@@ -96,8 +99,14 @@ void poller_call(void)
poller_active = 1;
- list_for_each_entry_safe(poller, tmp, &poller_list, list)
+ list_for_each_entry_safe(poller, tmp, &poller_list, list) {
+
+ if (poller->frequency && get_time_ns() < poller->poll_next)
+ continue;
poller->func(poller);
+ if (poller->frequency)
+ poller->poll_next += poller->frequency;
+ }
poller_active = 0;
}
diff --git a/include/poller.h b/include/poller.h
index cda5b57..3568a80 100644
--- a/include/poller.h
+++ b/include/poller.h
@@ -14,6 +14,9 @@ struct poller_struct {
void (*func)(struct poller_struct *poller);
int registered;
struct list_head list;
+
+ uint64_t frequency;
+ uint64_t poll_next;
};
int poller_register(struct poller_struct *poller);
--
2.1.3
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