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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2010-01-18 07:20:28 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-01-19 01:42:00 -0800 |
| commit | d2d4e780aff2fab46a792ebc89f80d1a6872b325 (patch) | |
| tree | e4ec30ac3d5e5c43a4a11769440a8d18d5be98de | |
| parent | 68d0a036162f12d8be07c9fc140507cc1c8c6120 (diff) | |
| download | linux-d2d4e780aff2fab46a792ebc89f80d1a6872b325.tar.gz linux-d2d4e780aff2fab46a792ebc89f80d1a6872b325.tar.bz2 linux-d2d4e780aff2fab46a792ebc89f80d1a6872b325.zip | |
ide: add drive->pio_mode field
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>
| -rw-r--r-- | drivers/ide/ide-devsets.c | 2 | ||||
| -rw-r--r-- | drivers/ide/ide-probe.c | 2 | ||||
| -rw-r--r-- | drivers/ide/ide-xfer-mode.c | 3 | ||||
| -rw-r--r-- | include/linux/ide.h | 1 |
4 files changed, 8 insertions, 0 deletions
diff --git a/drivers/ide/ide-devsets.c b/drivers/ide/ide-devsets.c index 1099bf7cf968..cb3341ce655c 100644 --- a/drivers/ide/ide-devsets.c +++ b/drivers/ide/ide-devsets.c @@ -105,6 +105,8 @@ static int set_pio_mode(ide_drive_t *drive, int arg) return -ENOSYS; if (set_pio_mode_abuse(drive->hwif, arg)) { + drive->pio_mode = arg + XFER_PIO_0; + if (arg == 8 || arg == 9) { unsigned long flags; diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 4d76ba473097..9a9f10f4cf9f 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -1043,6 +1043,8 @@ static void ide_port_init_devices(ide_hwif_t *hwif) if (hwif->host_flags & IDE_HFLAG_NO_UNMASK_IRQS) drive->dev_flags |= IDE_DFLAG_NO_UNMASK; + drive->pio_mode = XFER_PIO_0; + if (port_ops && port_ops->init_dev) port_ops->init_dev(drive); } diff --git a/drivers/ide/ide-xfer-mode.c b/drivers/ide/ide-xfer-mode.c index 46d203ce60cc..cdae463f6b41 100644 --- a/drivers/ide/ide-xfer-mode.c +++ b/drivers/ide/ide-xfer-mode.c @@ -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); } diff --git a/include/linux/ide.h b/include/linux/ide.h index 0ec612959042..b5d2e9655059 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -515,6 +515,7 @@ struct ide_drive_s { u8 init_speed; /* transfer rate set at boot */ u8 current_speed; /* current transfer rate set */ u8 desired_speed; /* desired transfer rate set */ + u8 pio_mode; /* for ->set_pio_mode _only_ */ u8 dn; /* now wide spread use */ u8 acoustic; /* acoustic management */ u8 media; /* disk, cdrom, tape, floppy, ... */ |