From 2787cb8ae5c68a6945eb82ccf96b5f2c4f238323 Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 27 Mar 2009 12:46:28 +0100
Subject: 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@gmail.com>

diff --git a/drivers/ide/dtc2278.c b/drivers/ide/dtc2278.c
index 689b2e4..c6b1381 100644
--- a/drivers/ide/dtc2278.c
+++ b/drivers/ide/dtc2278.c
@@ -100,7 +100,8 @@ static const struct ide_port_info dtc2278_port_info __initdata = {
 				  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,
 };
 
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 75b79cc..62270f4 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -1061,7 +1061,7 @@ static void ide_init_port(ide_hwif_t *hwif, unsigned int port,
 		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;
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 901d323..732a05f 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1325,6 +1325,8 @@ 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 */
-- 
cgit v0.10.2