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Message-Id: <20081109162219.18999.74912.sendpatchset@localhost.localdomain>
Date: Sun, 09 Nov 2008 17:22:19 +0100
From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To: linux-ide@...r.kernel.org
Cc: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
linux-kernel@...r.kernel.org
Subject: [PATCH 01/11] ide: respect current DMA setting during resume
From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Subject: [PATCH] ide: respect current DMA setting during resume
Respect current DMA setting during resume, otherwise PIO timings
may get destroyed if host uses shared PIO/MWDMA timings.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
---
drivers/ide/ide-io.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
Index: b/drivers/ide/ide-io.c
===================================================================
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -192,10 +192,8 @@ static ide_startstop_t ide_start_power_s
*/
if (drive->hwif->dma_ops == NULL)
break;
- /*
- * TODO: respect IDE_DFLAG_USING_DMA
- */
- ide_set_dma(drive);
+ if (drive->dev_flags & IDE_DFLAG_USING_DMA)
+ ide_set_dma(drive);
break;
}
--
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