[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: Jeff Garzik <jeff@garzik.org>

1 files changed, 22 insertions, 29 deletions

diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index 1bdf7a2c2743..d14a48e75f1b 100644
--- a/drivers/ata/libata-acpi.c
+++ b/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);
 }
 
 /**