ACPI: EC: Restart command even if no interrupts from EC
EC may forget a command without sending any "reset" interrupt,
thus we need to lessen the requirement for transaction restart.
Reference: http://bugzilla.kernel.org/show_bug.cgi?id=14247
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index f707960..8a4897d 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -232,10 +232,8 @@
}
advance_transaction(ec, acpi_ec_read_status(ec));
} while (time_before(jiffies, delay));
- if (!ec->curr->irq_count ||
- (acpi_ec_read_status(ec) & ACPI_EC_FLAG_IBF))
+ if (acpi_ec_read_status(ec) & ACPI_EC_FLAG_IBF)
break;
- /* try restart command if we get any false interrupts */
pr_debug(PREFIX "controller reset, restart transaction\n");
spin_lock_irqsave(&ec->curr_lock, flags);
start_transaction(ec);