+ int ret = 0;
+ if (unlikely(test_bit(EC_FLAGS_ADDRESS, &ec->flags) &&
+ test_bit(EC_FLAGS_NO_ADDRESS_GPE, &ec->flags)))
+ force_poll = 1;
+ if (unlikely(test_bit(EC_FLAGS_WDATA, &ec->flags) &&
+ test_bit(EC_FLAGS_NO_WDATA_GPE, &ec->flags)))
+ force_poll = 1;
+ if (likely(test_bit(EC_FLAGS_GPE_MODE, &ec->flags)) &&
+ likely(!force_poll)) {
+ if (wait_event_timeout(ec->wait, acpi_ec_check_status(ec, event),
+ msecs_to_jiffies(ACPI_EC_DELAY)))
+ goto end;
+ clear_bit(EC_FLAGS_WAIT_GPE, &ec->flags);
+ if (acpi_ec_check_status(ec, event)) {
+ if (test_bit(EC_FLAGS_ADDRESS, &ec->flags)) {
+ /* miss address GPE, don't expect it anymore */
+ pr_info(PREFIX "missing address confirmation, "
+ "don't expect it any longer.\n");
+ set_bit(EC_FLAGS_NO_ADDRESS_GPE, &ec->flags);
+ } else if (test_bit(EC_FLAGS_WDATA, &ec->flags)) {
+ /* miss write data GPE, don't expect it */
+ pr_info(PREFIX "missing write data confirmation, "
+ "don't expect it any longer.\n");
+ set_bit(EC_FLAGS_NO_WDATA_GPE, &ec->flags);
+ } else {
+ /* missing GPEs, switch back to poll mode */
+ if (printk_ratelimit())
+ pr_info(PREFIX "missing confirmations, "
+ "switch off interrupt mode.\n");
+ clear_bit(EC_FLAGS_GPE_MODE, &ec->flags);
+ }
+ goto end;
+ }
+ } else {