[ACPI] Enable Embedded Controller (EC) interrupt mode by default

"ec_intr=0" reverts to polling
"ec_burst=" no longer exists.

Signed-off-by: Len Brown <len.brown@intel.com>
Acked-by: Luming Yu <luming.yu@intel.com>

2 files changed, 8 insertions, 3 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 5dffcfefc3c7..2ad64efdf183 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -452,6 +452,11 @@ running once the system is up.
 
         eata=           [HW,SCSI]
 
+        ec_intr=        [HW,ACPI] ACPI Embedded Controller interrupt mode
+                        Format: <int>
+                        0: polling mode
+                        non-0: interrupt mode (default)
+
         eda=            [HW,PS2]
 
         edb=            [HW,PS2]
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index bb3963b49a98..d4366ad4edcd 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -73,7 +73,7 @@ static struct acpi_driver acpi_ec_driver = {
         .class = ACPI_EC_CLASS,
         .ids = ACPI_EC_HID,
         .ops = {
-                .add = acpi_ec_poll_add,
+                .add = acpi_ec_intr_add,
                 .remove = acpi_ec_remove,
                 .start = acpi_ec_start,
                 .stop = acpi_ec_stop,
@@ -147,7 +147,7 @@ static union acpi_ec *ec_ecdt;
 
 /* External interfaces use first EC only, so remember */
 static struct acpi_device *first_ec;
-static int acpi_ec_poll_mode = EC_POLL;
+static int acpi_ec_poll_mode = EC_INTR;
 
 /* --------------------------------------------------------------------------
                              Transaction Management
@@ -1594,4 +1594,4 @@ static int __init acpi_ec_set_intr_mode(char *str)
         return 0;
 }
 
-__setup("ec_burst=", acpi_ec_set_intr_mode);
+__setup("ec_intr=", acpi_ec_set_intr_mode);