diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/acpi/ec.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index bfc29cdfa5f0..4b2573d85ac6 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -169,7 +169,7 @@ struct acpi_ec_query { struct acpi_ec *ec; }; -static int acpi_ec_query(struct acpi_ec *ec, u8 *data); +static int acpi_ec_query(struct acpi_ec *ec); static bool advance_transaction(struct acpi_ec *ec, bool interrupt); static void acpi_ec_event_handler(struct work_struct *work); static void acpi_ec_event_processor(struct work_struct *work); @@ -496,12 +496,10 @@ static inline void __acpi_ec_disable_event(struct acpi_ec *ec) */ static void acpi_ec_clear(struct acpi_ec *ec) { - int i, status; - u8 value = 0; + int i; for (i = 0; i < ACPI_EC_CLEAR_MAX; i++) { - status = acpi_ec_query(ec, &value); - if (status || !value) + if (acpi_ec_query(ec)) break; } if (unlikely(i == ACPI_EC_CLEAR_MAX)) @@ -1164,11 +1162,11 @@ static void acpi_ec_event_processor(struct work_struct *work) acpi_ec_delete_query(q); } -static int acpi_ec_query(struct acpi_ec *ec, u8 *data) +static int acpi_ec_query(struct acpi_ec *ec) { + struct acpi_ec_query *q; u8 value = 0; int result; - struct acpi_ec_query *q; q = acpi_ec_create_query(ec, &value); if (!q) @@ -1180,11 +1178,14 @@ static int acpi_ec_query(struct acpi_ec *ec, u8 *data) * bit to be cleared (and thus clearing the interrupt source). */ result = acpi_ec_transaction(ec, &q->transaction); - if (!value) - result = -ENODATA; if (result) goto err_exit; + if (!value) { + result = -ENODATA; + goto err_exit; + } + q->handler = acpi_ec_get_query_handler_by_value(ec, value); if (!q->handler) { result = -ENODATA; @@ -1210,8 +1211,7 @@ static int acpi_ec_query(struct acpi_ec *ec, u8 *data) err_exit: if (result) acpi_ec_delete_query(q); - if (data) - *data = value; + return result; } @@ -1243,7 +1243,9 @@ static void acpi_ec_event_handler(struct work_struct *work) spin_lock_irqsave(&ec->lock, flags); while (ec->nr_pending_queries) { spin_unlock_irqrestore(&ec->lock, flags); - (void)acpi_ec_query(ec, NULL); + + acpi_ec_query(ec); + spin_lock_irqsave(&ec->lock, flags); ec->nr_pending_queries--; /* |