ide: add drive->dma_mode field
Add dma_mode field to ide_drive_t matching dma_mode field used in struct ata_device. The validity of the field is restricted to ->dma_pio_mode method only currently in IDE subsystem. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -136,6 +136,7 @@ static void aec6260_set_mode(ide_drive_t *drive, const u8 speed)
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static void aec_set_pio_mode(ide_drive_t *drive, const u8 pio)
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{
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drive->dma_mode = pio + XFER_PIO_0;
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drive->hwif->port_ops->set_dma_mode(drive, pio + XFER_PIO_0);
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}
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@ -167,9 +167,11 @@ int ide_set_dma_mode(ide_drive_t *drive, const u8 mode)
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if (hwif->host_flags & IDE_HFLAG_POST_SET_MODE) {
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if (ide_config_drive_speed(drive, mode))
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return -1;
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drive->dma_mode = mode;
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port_ops->set_dma_mode(drive, mode);
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return 0;
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} else {
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drive->dma_mode = mode;
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port_ops->set_dma_mode(drive, mode);
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return ide_config_drive_speed(drive, mode);
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}
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@ -516,6 +516,7 @@ struct ide_drive_s {
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u8 current_speed; /* current transfer rate set */
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u8 desired_speed; /* desired transfer rate set */
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u8 pio_mode; /* for ->set_pio_mode _only_ */
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u8 dma_mode; /* for ->dma_pio_mode _only_ */
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u8 dn; /* now wide spread use */
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u8 acoustic; /* acoustic management */
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u8 media; /* disk, cdrom, tape, floppy, ... */
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