[PATCH 3.2 008/140] [SCSI] libsas: remove unused ata_task_resp fields

Ben Hutchings
2018-02-28T17:36:26Z

From: Dan Williams <dan.j.williams@intel.com>

commit 95ac7fd189b7e81a200b4d00b2bb6669b31acf3a upstream.

Commit 1e34c838 "[SCSI] libsas: remove spurious sata control register
read/write" removed the routines to fake the presence of the sata
control registers, now remove the unused data structure fields to kill
any remaining confusion.

Acked-by: Jack Wang <jack_wang@usish.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
drivers/scsi/libsas/sas_ata.c | 4 ----
include/scsi/libsas.h | 7 -------
2 files changed, 11 deletions(-)

--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -121,10 +121,6 @@ static void sas_ata_task_done(struct sas
if (unlikely(link->eh_info.err_mask))
qc->flags |= ATA_QCFLAG_FAILED;
}
-
- dev->sata_dev.sstatus = resp->sstatus;
- dev->sata_dev.serror = resp->serror;
- dev->sata_dev.scontrol = resp->scontrol;
} else {
ac = sas_to_ata_err(stat);
if (ac) {
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -173,9 +173,6 @@ struct sata_device {
struct ata_port *ap;
struct ata_host ata_host;
u8 fis[ATA_RESP_FIS_SIZE];
- u32 sstatus;
- u32 serror;
- u32 scontrol;
};

/* ---------- Domain device ---------- */
@@ -492,10 +489,6 @@ enum exec_status {
struct ata_task_resp {
u16 frame_len;
u8 ending_fis[ATA_RESP_FIS_SIZE]; /* dev to host or data-in */
- u32 sstatus;
- u32 serror;
- u32 scontrol;
- u32 sactive;
};

#define SAS_STATUS_BUF_SIZE 96