Messages in this thread Patch in this message | | | Date | Sun, 16 Nov 2008 23:17:24 -0800 | From | Greg KH <> | Subject | [patch 46/46] ACPI: EC: Dont do transaction from GPE handler in poll mode. |
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2.6.27-stable review patch. If anyone has any objections, please let us know.
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From: Alexey Starikovskiy <astarikovskiy@suse.de>
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>
--- drivers/acpi/ec.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-)
--- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -581,9 +581,12 @@ static u32 acpi_ec_gpe_handler(void *dat 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) && --
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