diff options
Diffstat (limited to 'drivers/acpi/ec.c')
| -rw-r--r-- | drivers/acpi/ec.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index f31291ba94d..fa848c4116a 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -83,6 +83,11 @@ enum { EC_FLAGS_BLOCKED, /* Transactions are blocked */ }; +/* ec.c is compiled in acpi namespace so this shows up as acpi.ec_delay param */ +static unsigned int ec_delay __read_mostly = ACPI_EC_DELAY; +module_param(ec_delay, uint, 0644); +MODULE_PARM_DESC(ec_delay, "Timeout(ms) waited until an EC command completes"); + /* If we find an EC via the ECDT, we need to keep a ptr to its context */ /* External interfaces use first EC only, so remember */ typedef int (*acpi_ec_query_func) (void *data); @@ -210,7 +215,7 @@ static int ec_poll(struct acpi_ec *ec) int repeat = 2; /* number of command restarts */ while (repeat--) { unsigned long delay = jiffies + - msecs_to_jiffies(ACPI_EC_DELAY); + msecs_to_jiffies(ec_delay); do { /* don't sleep with disabled interrupts */ if (EC_FLAGS_MSI || irqs_disabled()) { @@ -265,7 +270,7 @@ static int ec_check_ibf0(struct acpi_ec *ec) static int ec_wait_ibf0(struct acpi_ec *ec) { - unsigned long delay = jiffies + msecs_to_jiffies(ACPI_EC_DELAY); + unsigned long delay = jiffies + msecs_to_jiffies(ec_delay); /* interrupt wait manually if GPE mode is not active */ while (time_before(jiffies, delay)) if (wait_event_timeout(ec->wait, ec_check_ibf0(ec), @@ -601,7 +606,8 @@ static int ec_check_sci(struct acpi_ec *ec, u8 state) return 0; } -static u32 acpi_ec_gpe_handler(void *data) +static u32 acpi_ec_gpe_handler(acpi_handle gpe_device, + u32 gpe_number, void *data) { struct acpi_ec *ec = data; @@ -613,7 +619,7 @@ static u32 acpi_ec_gpe_handler(void *data) wake_up(&ec->wait); ec_check_sci(ec, acpi_ec_read_status(ec)); } - return ACPI_INTERRUPT_HANDLED; + return ACPI_INTERRUPT_HANDLED | ACPI_REENABLE_GPE; } /* -------------------------------------------------------------------------- @@ -929,6 +935,9 @@ static struct dmi_system_id __initdata ec_dmi_table[] = { ec_flag_msi, "MSI hardware", { DMI_MATCH(DMI_CHASSIS_VENDOR, "MICRO-Star")}, NULL}, { + ec_flag_msi, "MSI hardware", { + DMI_MATCH(DMI_CHASSIS_VENDOR, "MICRO-STAR")}, NULL}, + { ec_validate_ecdt, "ASUS hardware", { DMI_MATCH(DMI_BIOS_VENDOR, "ASUS") }, NULL}, {}, |