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-rw-r--r--include/linux/ata.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 18e401ff7eaf..272736e37990 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -352,7 +352,7 @@ static inline int ata_drive_40wire(const u16 *dev_id)
{
if (ata_id_major_version(dev_id) >= 5 && ata_id_is_sata(dev_id))
return 0; /* SATA */
- if (dev_id[93] & 0x4000)
+ if ((dev_id[93] & 0xE000) == 0x6000)
return 0; /* 80 wire */
return 1;
}