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Commit 3fccaa19 authored by Bartlomiej Zolnierkiewicz's avatar Bartlomiej Zolnierkiewicz Committed by David S. Miller
Browse files

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: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d2d4e780

drivers/ide/aec62xx.c

+1 −0
Original line number Diff line number Diff line
@@ -136,6 +136,7 @@ static void aec6260_set_mode(ide_drive_t *drive, const u8 speed) 


static void aec_set_pio_mode(ide_drive_t *drive, const u8 pio)

{

	drive->dma_mode = pio + XFER_PIO_0;

	drive->hwif->port_ops->set_dma_mode(drive, pio + XFER_PIO_0);

}

drivers/ide/ide-xfer-mode.c

+2 −0
Original line number Diff line number Diff line
@@ -167,9 +167,11 @@ int ide_set_dma_mode(ide_drive_t *drive, const u8 mode) 
	if (hwif->host_flags & IDE_HFLAG_POST_SET_MODE) {

		if (ide_config_drive_speed(drive, mode))

			return -1;

		drive->dma_mode = mode;

		port_ops->set_dma_mode(drive, mode);

		return 0;

	} else {

		drive->dma_mode = mode;

		port_ops->set_dma_mode(drive, mode);

		return ide_config_drive_speed(drive, mode);

	}

include/linux/ide.h

+1 −0
Original line number Diff line number Diff line
@@ -516,6 +516,7 @@ struct ide_drive_s { 
        u8	current_speed;	/* current transfer rate set */

	u8	desired_speed;	/* desired transfer rate set */

	u8	pio_mode;	/* for ->set_pio_mode _only_ */

	u8	dma_mode;	/* for ->dma_pio_mode _only_ */

        u8	dn;		/* now wide spread use */

	u8	acoustic;	/* acoustic management */

	u8	media;		/* disk, cdrom, tape, floppy, ... */