diff options
| -rw-r--r-- | drivers/acpi/ec.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 7222a18a0319..828c75292cf6 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -73,6 +73,7 @@ enum ec_event { #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 /* Wait 100us before polling EC again */ enum { EC_FLAGS_WAIT_GPE = 0, /* Don't check status until GPE arrives */ @@ -227,6 +228,7 @@ static int acpi_ec_wait(struct acpi_ec *ec, enum ec_event event, int force_poll) while (time_before(jiffies, delay)) { if (acpi_ec_check_status(ec, event)) goto end; + udelay(ACPI_EC_UDELAY); } } pr_err(PREFIX "acpi_ec_wait timeout," |