linux-kernel - [PATCH 07/15] ide: add IDE_HFLAG

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Date:	Sun, 01 Feb 2009 18:49:58 +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 07/15] ide: add IDE_HFLAG_DTC2278 host flag

From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Subject: [PATCH] ide: add IDE_HFLAG_DTC2278 host flag

Add IDE_HFLAG_DTC2278 host flag and use it instead of ide_dtc2278
chipset type in ide_init_port().

There should be no functional changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
---
 drivers/ide/dtc2278.c   |    3 ++-
 drivers/ide/ide-probe.c |    2 +-
 include/linux/ide.h     |    2 ++
 3 files changed, 5 insertions(+), 2 deletions(-)

Index: b/drivers/ide/dtc2278.c
===================================================================
--- a/drivers/ide/dtc2278.c
+++ b/drivers/ide/dtc2278.c
@@ -100,7 +100,8 @@ static const struct ide_port_info dtc227
 				  IDE_HFLAG_IO_32BIT |
 				  /* disallow ->io_32bit changes */
 				  IDE_HFLAG_NO_IO_32BIT |
-				  IDE_HFLAG_NO_DMA,
+				  IDE_HFLAG_NO_DMA |
+				  IDE_HFLAG_DTC2278,
 	.pio_mask		= ATA_PIO4,
 };
 
Index: b/drivers/ide/ide-probe.c
===================================================================
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -1056,7 +1056,7 @@ static void ide_init_port(ide_hwif_t *hw
 		hwif->tp_ops = d->tp_ops;
 
 	/* ->set_pio_mode for DTC2278 is currently limited to port 0 */
-	if (hwif->chipset != ide_dtc2278 || hwif->channel == 0)
+	if ((hwif->host_flags & IDE_HFLAG_DTC2278) == 0 || hwif->channel == 0)
 		hwif->port_ops = d->port_ops;
 
 	hwif->swdma_mask = d->swdma_mask;
Index: b/include/linux/ide.h
===================================================================
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1322,6 +1322,8 @@ enum {
 	IDE_HFLAG_ERROR_STOPS_FIFO	= (1 << 19),
 	/* serialize ports */
 	IDE_HFLAG_SERIALIZE		= (1 << 20),
+	/* host is DTC2278 */
+	IDE_HFLAG_DTC2278		= (1 << 21),
 	/* host is TRM290 */
 	IDE_HFLAG_TRM290		= (1 << 23),
 	/* use 32-bit I/O ops */
--
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