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ide: add drive->pio_mode field

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Add pio_mode field to ide_drive_t matching pio_mode field used in
struct ata_device.

The validity of the field is restricted to ->set_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>
This commit is contained in:
Bartlomiej Zolnierkiewicz
2010-01-18 07:20:28 +00:00
committed by David S. Miller
parent 68d0a03616
commit d2d4e780af
4 changed files with 8 additions and 0 deletions
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drivers/ide/ide-xfer-mode.c
+3
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@@ -135,6 +135,7 @@ int ide_set_pio_mode(ide_drive_t *drive, const u8 mode)
* set transfer mode on the device in ->set_pio_mode method...
*/
if (port_ops->set_dma_mode == NULL) {
drive->pio_mode = mode;
port_ops->set_pio_mode(drive, mode - XFER_PIO_0);
return 0;
}
@@ -142,9 +143,11 @@ int ide_set_pio_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->pio_mode = mode;
port_ops->set_pio_mode(drive, mode - XFER_PIO_0);
return 0;
} else {
drive->pio_mode = mode;
port_ops->set_pio_mode(drive, mode - XFER_PIO_0);
return ide_config_drive_speed(drive, mode);
}