1 files changed, 14 insertions, 0 deletions

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 2cf8251728d2..e900c5edefc4 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -93,6 +93,10 @@ static int ata_probe_timeout = ATA_TMOUT_INTERNAL / HZ;
 module_param(ata_probe_timeout, int, 0444);
 MODULE_PARM_DESC(ata_probe_timeout, "Set ATA probing timeout (seconds)");
 
+int noacpi;
+module_param(noacpi, int, 0444);
+MODULE_PARM_DESC(noacpi, "Disables the use of ACPI in suspend/resume when set");
+
 MODULE_AUTHOR("Jeff Garzik");
 MODULE_DESCRIPTION("Library module for ATA devices");
 MODULE_LICENSE("GPL");
@@ -1564,6 +1568,16 @@ int ata_dev_configure(struct ata_device *dev)
                 ata_dev_printk(dev, KERN_DEBUG, "%s: ENTER, host %u, dev %u\n",
                                __FUNCTION__, ap->id, dev->devno);
 
+        /* set _SDD */
+        rc = ata_acpi_push_id(ap, dev->devno);
+        if (rc) {
+                ata_dev_printk(dev, KERN_WARNING, "failed to set _SDD(%d)\n",
+                        rc);
+        }
+
+        /* retrieve and execute the ATA task file of _GTF */
+        ata_acpi_exec_tfs(ap);
+
         /* print device capabilities */
         if (ata_msg_probe(ap))
                 ata_dev_printk(dev, KERN_DEBUG,