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Commit 1cfe62c8 authored by Alexey Starikovskiy's avatar Alexey Starikovskiy Committed by Len Brown
Browse files

ACPI: EC: revert msleep patch 

With the better solution for EC interrupt storm issue,
there is no need to use msleep over udelay.

References:
	http://bugzilla.kernel.org/show_bug.cgi?id=11810
	http://bugzilla.kernel.org/show_bug.cgi?id=10724



Signed-off-by: default avatarAlexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 3ad4f597

drivers/acpi/ec.c

+2 −2
Original line number Original line Diff line number Diff line
@@ -239,10 +239,10 @@ static int ec_check_sci(struct acpi_ec *ec, u8 state) 
static int ec_poll(struct acpi_ec *ec)

static int ec_poll(struct acpi_ec *ec)

{

{

	unsigned long delay = jiffies + msecs_to_jiffies(ACPI_EC_DELAY);

	unsigned long delay = jiffies + msecs_to_jiffies(ACPI_EC_DELAY);

	msleep(1);

	udelay(ACPI_EC_UDELAY);

	while (time_before(jiffies, delay)) {

	while (time_before(jiffies, delay)) {

		gpe_transaction(ec, acpi_ec_read_status(ec));

		gpe_transaction(ec, acpi_ec_read_status(ec));

		msleep(1);

		udelay(ACPI_EC_UDELAY);

		if (ec_transaction_done(ec))

		if (ec_transaction_done(ec))

			return 0;

			return 0;

	}

	}