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Subject[PATCH 07/15] ide: add IDE_HFLAG_DTC2278 host flag
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.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@gmail.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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