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| author | Alexey Starikovskiy <astarikovskiy@suse.de> | 2008-11-11 12:54:11 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-11-20 14:54:54 -0800 |
| commit | 913d910d70e641d2c753d45d98587640219a78bc (patch) | |
| tree | cd6edf64ec3c6e8f9141f5bca32f72ec1e25f73d /drivers | |
| parent | d09277432f84ae0c8588032518e1ff7842ef5606 (diff) | |
| download | linux-rt-913d910d70e641d2c753d45d98587640219a78bc.tar.gz | |
ACPI: EC: Don't do transaction from GPE handler in poll mode.
commit 8517934ef6aaa28d6e055b98df65b31cedbd1372 upstream.
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>
Cc: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
| -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 8fdbcbdebb55..41b8e7cad06e 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) && |