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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>
hifive-unleashed-5.1
Bartlomiej Zolnierkiewicz 2009-03-27 12:46:28 +01:00
parent 0a6e49e9bc
commit 2787cb8ae5
3 changed files with 5 additions and 2 deletions
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3
drivers/ide/dtc2278.c
View File

@ -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,
};

2
drivers/ide/ide-probe.c
View File

@ -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;

2
include/linux/ide.h
View File

@ -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 */