[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",
@@ -467,35 +470,25 @@ 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 */
-		tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; /* TBD */
-		tf.protocol = atadev->class == ATA_DEV_ATAPI ?
-			ATA_PROT_ATAPI_NODATA : ATA_PROT_NODATA;
-		tf.feature = gtf->tfa[0];	/* 0x1f1 */
-		tf.nsect   = gtf->tfa[1];	/* 0x1f2 */
-		tf.lbal    = gtf->tfa[2];	/* 0x1f3 */
-		tf.lbam    = gtf->tfa[3];	/* 0x1f4 */
-		tf.lbah    = gtf->tfa[4];	/* 0x1f5 */
-		tf.device  = gtf->tfa[5];	/* 0x1f6 */
-		tf.command = gtf->tfa[6];	/* 0x1f7 */
-
-		err = ata_exec_internal(atadev, &tf, NULL, DMA_NONE, NULL, 0);
-		if (err && ata_msg_probe(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__);
+	ata_tf_init(atadev, &tf);
+
+	/* convert gtf to tf */
+	tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; /* TBD */
+	tf.protocol = atadev->class == ATA_DEV_ATAPI ?
+		ATA_PROT_ATAPI_NODATA : ATA_PROT_NODATA;
+	tf.feature = gtf->tfa[0];	/* 0x1f1 */
+	tf.nsect   = gtf->tfa[1];	/* 0x1f2 */
+	tf.lbal    = gtf->tfa[2];	/* 0x1f3 */
+	tf.lbam    = gtf->tfa[3];	/* 0x1f4 */
+	tf.lbah    = gtf->tfa[4];	/* 0x1f5 */
+	tf.device  = gtf->tfa[5];	/* 0x1f6 */
+	tf.command = gtf->tfa[6];	/* 0x1f7 */
+
+	err = ata_exec_internal(atadev, &tf, NULL, DMA_NONE, NULL, 0);
+	if (err && ata_msg_probe(ap))
+		ata_dev_printk(atadev, KERN_ERR,
+			"%s: ata_exec_internal failed: %u\n",
+			__FUNCTION__, err);
 }
 
 /**