diff options
| -rw-r--r-- | drivers/acpi/ec.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 722acafdf32..8ef74e7b3b9 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -70,8 +70,6 @@ enum { #define ACPI_EC_DELAY 500 /* Wait 500ms max. during EC ops */ #define ACPI_EC_UDELAY_GLK 1000 /* Wait 1ms max. to get global lock */ -#define ACPI_EC_UDELAY 100 /* Poll @ 100us increments */ -#define ACPI_EC_UDELAY_COUNT 1000 /* Wait 100ms max. during EC ops */ enum { EC_INTR = 1, /* Output buffer full */ @@ -159,11 +157,10 @@ static int acpi_ec_check_status(struct acpi_ec *ec, u8 event) static int acpi_ec_wait(struct acpi_ec *ec, u8 event) { if (acpi_ec_mode == EC_POLL) { - int i; - for (i = 0; i < ACPI_EC_UDELAY_COUNT; ++i) { + unsigned long delay = jiffies + msecs_to_jiffies(ACPI_EC_DELAY); + while (time_before(jiffies, delay)) { if (acpi_ec_check_status(ec, event)) return 0; - udelay(ACPI_EC_UDELAY); } } else { if (wait_event_timeout(ec->wait, |