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 (file)
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -232,10 +232,8 @@ static int ec_poll(struct acpi_ec *ec)
                        }
                        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);