From fab59375b9543f84d1714f7dd00f5d11e531bd3e Mon Sep 17 00:00:00 2001
From: Tejun Heo <htejun@gmail.com>
Date: Sat, 3 Mar 2007 17:48:53 +0100
Subject: ide: fix drive side 80c cable check, take 2

eighty_ninty_three() had word 93 validitity check but not the 80c bit
test itself (bit 13).  This increases the chance of incorrect wire
detection especially because host side cable detection is often
unreliable and we sometimes soley depend on drive side cable
detection.  Fix it.

[ bart: fix off-by-1 bit name in the patch description ]

Signed-off-by: Tejun Heo <htejun@gmail.com>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
 drivers/ide/ide-iops.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'drivers/ide')

diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index c67b3b1e6f4c..bd513f5a2323 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -583,6 +583,8 @@ u8 eighty_ninty_three (ide_drive_t *drive)
 	if(!(drive->id->hw_config & 0x4000))
 		return 0;
 #endif /* CONFIG_IDEDMA_IVB */
+	if (!(drive->id->hw_config & 0x2000))
+		return 0;
 	return 1;
 }
 
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