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-rw-r--r--drivers/ata/libata-scsi.c3
-rw-r--r--drivers/ata/libata-transport.c2
2 files changed, 4 insertions, 1 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index a19479282b65..78d56c9390cc 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; /* LBPME */
if (ata_id_has_zero_after_trim(args->id) &&
diff --git a/drivers/ata/libata-transport.c b/drivers/ata/libata-transport.c
index c660923c4b28..fd29b7224082 100644
--- a/drivers/ata/libata-transport.c
+++ b/drivers/ata/libata-transport.c
@@ -568,6 +568,8 @@ show_ata_dev_trim(struct device *dev,
if (!ata_id_has_trim(ata_dev->id))
mode = "unsupported";
+ else if (ata_dev->horkage & ATA_HORKAGE_NOTRIM)
+ mode = "forced_unsupported";
else if (ata_dev->horkage & ATA_HORKAGE_NO_NCQ_TRIM)
mode = "forced_unqueued";
else if (ata_fpdma_dsm_supported(ata_dev))