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Diffstat (limited to 'drivers/acpi/ec.c')
-rw-r--r--drivers/acpi/ec.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 236b14324780..da176c95aa2c 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -486,8 +486,11 @@ static inline void __acpi_ec_enable_event(struct acpi_ec *ec)
{
if (!test_and_set_bit(EC_FLAGS_QUERY_ENABLED, &ec->flags))
ec_log_drv("event unblocked");
- if (!test_bit(EC_FLAGS_QUERY_PENDING, &ec->flags))
- advance_transaction(ec);
+ /*
+ * Unconditionally invoke this once after enabling the event
+ * handling mechanism to detect the pending events.
+ */
+ advance_transaction(ec);
}
static inline void __acpi_ec_disable_event(struct acpi_ec *ec)
@@ -1456,11 +1459,10 @@ static int ec_install_handlers(struct acpi_ec *ec, bool handle_events)
if (test_bit(EC_FLAGS_STARTED, &ec->flags) &&
ec->reference_count >= 1)
acpi_ec_enable_gpe(ec, true);
-
- /* EC is fully operational, allow queries */
- acpi_ec_enable_event(ec);
}
}
+ /* EC is fully operational, allow queries */
+ acpi_ec_enable_event(ec);
return 0;
}
@@ -1939,7 +1941,8 @@ static const struct dev_pm_ops acpi_ec_pm = {
SET_SYSTEM_SLEEP_PM_OPS(acpi_ec_suspend, acpi_ec_resume)
};
-static int param_set_event_clearing(const char *val, struct kernel_param *kp)
+static int param_set_event_clearing(const char *val,
+ const struct kernel_param *kp)
{
int result = 0;
@@ -1957,7 +1960,8 @@ static int param_set_event_clearing(const char *val, struct kernel_param *kp)
return result;
}
-static int param_get_event_clearing(char *buffer, struct kernel_param *kp)
+static int param_get_event_clearing(char *buffer,
+ const struct kernel_param *kp)
{
switch (ec_event_clearing) {
case ACPI_EC_EVT_TIMING_STATUS: