diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/ec.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 4d17777110e..17a98aa734b 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -135,20 +135,16 @@ static inline void acpi_ec_write_data(struct acpi_ec *ec, u8 data) outb(data, ec->data_addr); } -static int acpi_ec_check_status(struct acpi_ec *ec, u8 event) +static inline int acpi_ec_check_status(struct acpi_ec *ec, u8 event) { u8 status = acpi_ec_read_status(ec); - switch (event) { - case ACPI_EC_EVENT_OBF_1: + + if (event == ACPI_EC_EVENT_OBF_1) { if (status & ACPI_EC_FLAG_OBF) return 1; - break; - case ACPI_EC_EVENT_IBF_0: + } else if (event == ACPI_EC_EVENT_IBF_0) { if (!(status & ACPI_EC_FLAG_IBF)) return 1; - break; - default: - break; } return 0; @@ -238,7 +234,7 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command, acpi_ec_write_cmd(ec, command); - for (; wdata_len > 0; wdata_len --) { + for (; wdata_len > 0; --wdata_len) { result = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0); if (result) { printk(KERN_ERR PREFIX "write_cmd timeout, command = %d\n", @@ -259,7 +255,7 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, u8 command, atomic_set(&ec->query_pending, 0); } - for (; rdata_len > 0; rdata_len --) { + for (; rdata_len > 0; --rdata_len) { result = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF_1); if (result) { printk(KERN_ERR PREFIX "read timeout, command = %d\n", |