summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/ata/libata-scsi.c3
-rw-r--r--include/linux/libata.h1
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 0586f66d70fa..d6ff64248c23 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -2514,7 +2514,8 @@ static unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf)
rbuf[14] = (lowest_aligned >> 8) & 0x3f;
rbuf[15] = lowest_aligned;
- if (ata_id_has_trim(args->id)) {
+ if (ata_id_has_trim(args->id) &&
+ !(dev->horkage & ATA_HORKAGE_NOTRIM)) {
rbuf[14] |= 0x80; /* TPE */
if (ata_id_has_zero_after_trim(args->id))
diff --git a/include/linux/libata.h b/include/linux/libata.h
index b3a816f4c0c4..8f6a07441b85 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -429,6 +429,7 @@ enum {
ATA_HORKAGE_NO_NCQ_TRIM = (1 << 19), /* don't use queued TRIM */
ATA_HORKAGE_NOLPM = (1 << 20), /* don't use LPM */
ATA_HORKAGE_WD_BROKEN_LPM = (1 << 21), /* some WDs have broken LPM */
+ ATA_HORKAGE_NOTRIM = (1 << 24), /* don't use TRIM */
/* DMA mask for user DMA control: User visible values; DO NOT
renumber */