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Commit 53f11d4f authored by Len Brown's avatar Len Brown
Browse files

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



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

Signed-off-by: default avatarLen Brown <len.brown@intel.com>
Acked-by: default avatarLuming Yu <luming.yu@intel.com>
parent 02b28a33

Documentation/kernel-parameters.txt

+5 −0
Original line number Diff line number Diff line
@@ -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]

drivers/acpi/ec.c

+3 −3
Original line number Diff line number Diff line
@@ -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);