From: Alexey Starikovskiy Date: Tue, 11 Nov 2008 09:54:11 +0000 (+0300) Subject: ACPI: EC: Don't do transaction from GPE handler in poll mode. X-Git-Tag: firefly_0821_release~16872^2^2 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=8517934ef6aaa28d6e055b98df65b31cedbd1372;p=firefly-linux-kernel-4.4.55.git 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: Alexey Starikovskiy Signed-off-by: Len Brown --- diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index ab84f99f1369..bd1af3e9e4ce 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -581,9 +581,12 @@ static u32 acpi_ec_gpe_handler(void *data) pr_debug(PREFIX "~~~> interrupt\n"); status = acpi_ec_read_status(ec); - gpe_transaction(ec, status); - if (ec_transaction_done(ec) && (status & ACPI_EC_FLAG_IBF) == 0) - wake_up(&ec->wait); + if (test_bit(EC_FLAGS_GPE_MODE, &ec->flags)) { + gpe_transaction(ec, status); + 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) &&