diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c index bcf2c70fca87f498b9a3c5af5e0037248c488b37..a4e3767b8c64241c6bd1c11010f0c2001fd7e7c1 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; }