The logs attached to bug 196797012 show that the error handler has been
activated and also that a SECURITY PROTOCOL OUT command is being
retried but not why. Hence this patch that adds more logging.
Notes:
- The code that initializes the completion status to
OCS_INVALID_COMMAND_STATUS was introduced by the initial UFS commit.
See also 7a3e97b0dc ("[SCSI] ufshcd: UFS Host controller driver").
- The behavior to retry a command if the controller did not overwrite
the completion status was introduced by commit e8e7f27139 ("scsi:
ufs: Improve UFS fatal error handling") without explaining why. From
that commit:
+ case OCS_INVALID_COMMAND_STATUS:
+ result |= DID_REQUEUE << 16;
+ break;
Bug: 196797012
Change-Id: I86ce4149babde1daf07af94464b878e9e697b37b
Signed-off-by: Bart Van Assche <bvanassche@google.com>
d0331b15e6