From 1f7856586b3ee4adc8c90e621c35ce03601e4742 Mon Sep 17 00:00:00 2001
From: Tejun Heo <htejun@gmail.com>
Date: Sun, 2 Apr 2006 17:54:46 +0900
Subject: [PATCH] --- yaml --- r: 29217 b: refs/heads/master c:
 002c8054fa8d0f1afce2b0c728be32d338b9293a h: refs/heads/master i:   29215:
 eeb6a0b9e1f532d03c0590e0b5debae2589a7e23 v: v3

---
 [refs]                       |  2 +-
 trunk/include/linux/libata.h | 10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 46a89db837d7..5efb32a62686 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 852ee16a914fb3ada2f81e222677c04defc2f15f
+refs/heads/master: 002c8054fa8d0f1afce2b0c728be32d338b9293a
diff --git a/trunk/include/linux/libata.h b/trunk/include/linux/libata.h
index c6883ba8cba9..0f8e3720edd9 100644
--- a/trunk/include/linux/libata.h
+++ b/trunk/include/linux/libata.h
@@ -682,6 +682,11 @@ static inline unsigned int ata_class_disabled(unsigned int class)
 	return class == ATA_DEV_ATA_UNSUP || class == ATA_DEV_ATAPI_UNSUP;
 }
 
+static inline unsigned int ata_class_absent(unsigned int class)
+{
+	return !ata_class_enabled(class) && !ata_class_disabled(class);
+}
+
 static inline unsigned int ata_dev_enabled(const struct ata_device *dev)
 {
 	return ata_class_enabled(dev->class);
@@ -692,6 +697,11 @@ static inline unsigned int ata_dev_disabled(const struct ata_device *dev)
 	return ata_class_disabled(dev->class);
 }
 
+static inline unsigned int ata_dev_absent(const struct ata_device *dev)
+{
+	return ata_class_absent(dev->class);
+}
+
 static inline u8 ata_chk_status(struct ata_port *ap)
 {
 	return ap->ops->check_status(ap);