|
|
@@ -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),
|
Len Brown