From 4d3ee35fc534fe99952bb307d71c1023657f4bb2 Mon Sep 17 00:00:00 2001
From: Tejun Heo <htejun@gmail.com>
Date: Sat, 24 Jun 2006 20:30:19 +0900
Subject: [PATCH] --- yaml --- r: 30908 b: refs/heads/master c:
 5806db22cffc7557b675d3c9229f327980aee797 h: refs/heads/master v: v3

---
 [refs]                       |  2 +-
 trunk/include/linux/libata.h | 14 ++++++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 2b15a1f663c5..59690fdc802b 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 77b08fb56a41e84b5e78b14f24d79879235e3337
+refs/heads/master: 5806db22cffc7557b675d3c9229f327980aee797
diff --git a/trunk/include/linux/libata.h b/trunk/include/linux/libata.h
index c227dace1d26..f4284bf89758 100644
--- a/trunk/include/linux/libata.h
+++ b/trunk/include/linux/libata.h
@@ -888,6 +888,9 @@ static inline unsigned int ata_tag_internal(unsigned int tag)
 	return tag == ATA_MAX_QUEUE - 1;
 }
 
+/*
+ * device helpers
+ */
 static inline unsigned int ata_class_enabled(unsigned int class)
 {
 	return class == ATA_DEV_ATA || class == ATA_DEV_ATAPI;
@@ -918,6 +921,17 @@ static inline unsigned int ata_dev_absent(const struct ata_device *dev)
 	return ata_class_absent(dev->class);
 }
 
+/*
+ * port helpers
+ */
+static inline int ata_port_max_devices(const struct ata_port *ap)
+{
+	if (ap->flags & ATA_FLAG_SLAVE_POSS)
+		return 2;
+	return 1;
+}
+
+
 static inline u8 ata_chk_status(struct ata_port *ap)
 {
 	return ap->ops->check_status(ap);