linux-kernel - [PATCH 1/2] ide: fix enabling DMA on it821x in "smart" mode

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Date:	Wed, 20 Feb 2008 21:31:19 +0100
From:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To:	linux-ide@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	Sergei Shtylyov <sshtylyov@...mvista.com>
Subject: [PATCH 1/2] ide: fix enabling DMA on it821x in "smart" mode

ide_tune_dma() should return '1' if IDE_HFLAG_NO_SET_MODE host flag is set.

Cc: Sergei Shtylyov <sshtylyov@...mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
---
I wonder how this could have slipped in :(

Sergei, please double-check this patch.  Thanks!

 drivers/ide/ide-dma.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: b/drivers/ide/ide-dma.c
===================================================================
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -757,7 +757,7 @@ static int ide_tune_dma(ide_drive_t *dri
 	}
 
 	if (hwif->host_flags & IDE_HFLAG_NO_SET_MODE)
-		return 0;
+		return 1;
 
 	if (ide_set_dma_mode(drive, speed))
 		return 0;
--
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