Pull bugzilla-7907 into release branch
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index 019d8ff..c428a56 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -576,6 +576,13 @@
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]))
