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Commit 8517934e authored by Alexey Starikovskiy's avatar Alexey Starikovskiy Committed by Len Brown
Browse files

ACPI: EC: Don't do transaction from GPE handler in poll mode. 

Referencies: http://bugzilla.kernel.org/show_bug.cgi?id=12004



Signed-off-by: default avatarAlexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 06cf7d3c

drivers/acpi/ec.c

+6 −3
Original line number Diff line number Diff line
@@ -581,9 +581,12 @@ static u32 acpi_ec_gpe_handler(void *data) 
	pr_debug(PREFIX "~~~> interrupt\n");

	status = acpi_ec_read_status(ec);



	if (test_bit(EC_FLAGS_GPE_MODE, &ec->flags)) {

		gpe_transaction(ec, status);

	if (ec_transaction_done(ec) && (status & ACPI_EC_FLAG_IBF) == 0)

		if (ec_transaction_done(ec) &&

		    (status & ACPI_EC_FLAG_IBF) == 0)

			wake_up(&ec->wait);

	}



	ec_check_sci(ec, status);

	if (!test_bit(EC_FLAGS_GPE_MODE, &ec->flags) &&