diff options
| author | Alexey Starikovskiy <astarikovskiy@suse.de> | 2008-11-11 10:54:11 +0100 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-11-12 00:35:58 +0100 |
| commit | 8517934ef6aaa28d6e055b98df65b31cedbd1372 (patch) | |
| tree | dc3588e491f4b148f21d134788397a3b1376182d /drivers/acpi/ec.c | |
| parent | ACPI: EC: lower interrupt storm treshold (diff) | |
| download | linux-8517934ef6aaa28d6e055b98df65b31cedbd1372.tar.xz linux-8517934ef6aaa28d6e055b98df65b31cedbd1372.zip | |
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 <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/ec.c')
| -rw-r--r-- | drivers/acpi/ec.c | 9 |
1 files changed, 6 insertions, 3 deletions
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) && |