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-rw-r--r--drivers/ata/libata-acpi.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index 019d8ffdde50..c428a56e6f31 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -576,6 +576,13 @@ int ata_acpi_exec_tfs(struct ata_port *ap)
if (noacpi)
return 0;
+ /*
+ * TBD - implement PATA support. For now,
+ * we should not run GTF on PATA devices since some
+ * PATA require execution of GTM/STM before GTF.
+ */
+ if (!(ap->cbl == ATA_CBL_SATA))
+ return 0;
for (ix = 0; ix < ATA_MAX_DEVICES; ix++) {
if (!ata_dev_enabled(&ap->device[ix]))