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-rw-r--r--include/linux/libata.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 66b6847225d..22e86cb2d16 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -645,10 +645,14 @@ static inline unsigned int ata_tag_valid(unsigned int tag)
return (tag < ATA_MAX_QUEUE) ? 1 : 0;
}
+static inline unsigned int ata_class_present(unsigned int class)
+{
+ return class == ATA_DEV_ATA || class == ATA_DEV_ATAPI;
+}
+
static inline unsigned int ata_dev_present(const struct ata_device *dev)
{
- return ((dev->class == ATA_DEV_ATA) ||
- (dev->class == ATA_DEV_ATAPI));
+ return ata_class_present(dev->class);
}
static inline u8 ata_chk_status(struct ata_port *ap)