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-rw-r--r--drivers/acpi/sbshc.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c
index bcf2c70fca8..a4e3767b8c6 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;
}