[libata] ACPI: remove needless ->qc_issue hook existence test

All drivers must implement this hook, otherwise ATA commands would go
nowhere (and a lot of other oopsen would appear as well).
Signed-off-by: NJeff Garzik <jeff@garzik.org>

drivers/ata/libata-acpi.c

@@ -455,6 +455,9 @@ static void taskfile_load_raw(struct ata_port *ap,
 				struct ata_device *atadev,
 				const struct taskfile_array *gtf)
 {
+	struct ata_taskfile tf;
+	unsigned int err;
+
 	if (ata_msg_probe(ap))
 		ata_dev_printk(atadev, KERN_DEBUG, "%s: (0x1f1-1f7): hex: "
 			"%02x %02x %02x %02x %02x %02x %02x\n",
@@ -467,10 +470,6 @@ static void taskfile_load_raw(struct ata_port *ap,
 	    && (gtf->tfa[6] == 0))
 		return;
 
-	if (ap->ops->qc_issue) {
-		struct ata_taskfile tf;
-		unsigned int err;
-
 	ata_tf_init(atadev, &tf);
 
 	/* convert gtf to tf */
@@ -490,12 +489,6 @@ static void taskfile_load_raw(struct ata_port *ap,
 		ata_dev_printk(atadev, KERN_ERR,
 			"%s: ata_exec_internal failed: %u\n",
 			__FUNCTION__, err);
-	} else
-		if (ata_msg_warn(ap))
-			ata_dev_printk(atadev, KERN_WARNING,
-				"%s: SATA driver is missing qc_issue function"
-				" entry points\n",
-				__FUNCTION__);
 }
 
 /**