Merge branch 'core/xen' into x86/xen

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c
index bcf2c70fca87..a4e3767b8c64 100644
--- a/drivers/acpi/sbshc.c
+++ b/drivers/acpi/sbshc.c
@@ -107,6 +107,13 @@ static int wait_transaction_complete(struct acpi_smb_hc *hc, int timeout)
         if (wait_event_timeout(hc->wait, smb_check_done(hc),
                                msecs_to_jiffies(timeout)))
                 return 0;
+        /*
+         * After the timeout happens, OS will try to check the status of SMbus.
+         * If the status is what OS expected, it will be regarded as the bogus
+         * timeout.
+         */
+        if (smb_check_done(hc))
+                return 0;
         else
                 return -ETIME;
 }