libata-acpi: miscellaneous cleanups
Tejun Heo [Mon, 14 May 2007 18:28:16 +0000 (03:28 +0900)]
* Add missing LOCKING: and RETURNS: to function comment.

* Don't conditionalize warning messages with ata_msg_probe().  Print
  directly with KERN_WARNING.

* Drop duplicate debug messages.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

drivers/ata/libata-acpi.c

index 4d36d25..ae2077e 100644 (file)
@@ -175,21 +175,17 @@ static int ata_dev_get_GTF(struct ata_device *dev, struct ata_acpi_gtf **gtf,
 
        out_obj = output.pointer;
        if (out_obj->type != ACPI_TYPE_BUFFER) {
-               if (ata_msg_probe(ap))
-                       ata_dev_printk(dev, KERN_DEBUG, "%s: Run _GTF: "
-                               "error: expected object type of "
-                               " ACPI_TYPE_BUFFER, got 0x%x\n",
-                               __FUNCTION__, out_obj->type);
+               ata_dev_printk(dev, KERN_WARNING,
+                              "_GTF unexpected object type 0x%x\n",
+                              out_obj->type);
                rc = -EINVAL;
                goto out_free;
        }
 
        if (out_obj->buffer.length % REGS_PER_GTF) {
-               if (ata_msg_drv(ap))
-                       ata_dev_printk(dev, KERN_ERR,
-                               "%s: unexpected GTF length (%d) or addr (0x%p)\n",
-                               __FUNCTION__, out_obj->buffer.length,
-                               out_obj->buffer.pointer);
+               ata_dev_printk(dev, KERN_WARNING,
+                              "unexpected _GTF length (%d)\n",
+                              out_obj->buffer.length);
                rc = -EINVAL;
                goto out_free;
        }
@@ -320,6 +316,12 @@ static int ata_dev_set_taskfiles(struct ata_device *dev,
  * @ap: the ata_port for the drive
  *
  * This applies to both PATA and SATA drives.
+ *
+ * LOCKING:
+ * EH context.
+ *
+ * RETURNS:
+ * 0 on success, -errno on failure.
  */
 int ata_acpi_exec_tfs(struct ata_port *ap)
 {
@@ -345,24 +347,14 @@ int ata_acpi_exec_tfs(struct ata_port *ap)
                ret = ata_dev_get_GTF(dev, &gtf, &ptr_to_free);
                if (ret == 0)
                        continue;
-               if (ret < 0) {
-                       if (ata_msg_probe(ap))
-                               ata_port_printk(ap, KERN_DEBUG,
-                                       "%s: get_GTF error (%d)\n",
-                                       __FUNCTION__, ret);
+               if (ret < 0)
                        break;
-               }
                gtf_count = ret;
 
                ret = ata_dev_set_taskfiles(dev, gtf, gtf_count);
                kfree(ptr_to_free);
-               if (ret < 0) {
-                       if (ata_msg_probe(ap))
-                               ata_port_printk(ap, KERN_DEBUG,
-                                       "%s: set_taskfiles error (%d)\n",
-                                       __FUNCTION__, ret);
+               if (ret < 0)
                        break;
-               }
        }
 
        return ret;
@@ -377,6 +369,12 @@ int ata_acpi_exec_tfs(struct ata_port *ap)
  * ATM this function never returns a failure.  It is an optional
  * method and if it fails for whatever reason, we should still
  * just keep going.
+ *
+ * LOCKING:
+ * EH context.
+ *
+ * RETURNS:
+ * 0 on success, -errno on failure.
  */
 int ata_acpi_push_id(struct ata_device *dev)
 {
@@ -416,12 +414,9 @@ int ata_acpi_push_id(struct ata_device *dev)
        swap_buf_le16(dev->id, ATA_ID_WORDS);
 
        err = ACPI_FAILURE(status) ? -EIO : 0;
-       if (err < 0) {
-               if (ata_msg_probe(ap))
-                       ata_dev_printk(dev, KERN_DEBUG,
-                                      "%s _SDD error: status = 0x%x\n",
-                                      __FUNCTION__, status);
-       }
+       if (err < 0)
+               ata_dev_printk(dev, KERN_WARNING,
+                              "ACPI _SDD failed (AE 0x%x)\n", status);
 
        /* always return success */
 out: