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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-02-02 19:56:28 +0100 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-02-02 19:56:28 +0100 |
| commit | 36e9dc469b1300d8bec6f2ab48b4556e2c4241ba (patch) | |
| tree | 66d18834d7021c4dfad22311778c5c87967fd621 /drivers/ide | |
| parent | ae9458d6a0956aa21cb49e1251e35a8d4dacbe6e (diff) | |
| download | linux-stable-36e9dc469b1300d8bec6f2ab48b4556e2c4241ba.tar.gz linux-stable-36e9dc469b1300d8bec6f2ab48b4556e2c4241ba.tar.bz2 linux-stable-36e9dc469b1300d8bec6f2ab48b4556e2c4241ba.zip | |
dtc2278: fix ->io_32bit handling
On DTC2278 32-bit I/O has to be enabled for both devices on the port
so always enable it during init time and disallow further changes.
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide')
| -rw-r--r-- | drivers/ide/ide.c | 4 | ||||
| -rw-r--r-- | drivers/ide/legacy/dtc2278.c | 12 |
2 files changed, 6 insertions, 10 deletions
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index ab9ca2b5b66c..fb0c47c8819d 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -791,10 +791,6 @@ int set_io_32bit(ide_drive_t *drive, int arg) return -EBUSY; drive->io_32bit = arg; -#ifdef CONFIG_BLK_DEV_DTC2278 - if (HWIF(drive)->chipset == ide_dtc2278) - HWIF(drive)->drives[!drive->select.b.unit].io_32bit = arg; -#endif /* CONFIG_BLK_DEV_DTC2278 */ spin_unlock_irq(&ide_lock); diff --git a/drivers/ide/legacy/dtc2278.c b/drivers/ide/legacy/dtc2278.c index 611c9705a3ae..092c04abbe7a 100644 --- a/drivers/ide/legacy/dtc2278.c +++ b/drivers/ide/legacy/dtc2278.c @@ -84,12 +84,6 @@ static void dtc2278_set_pio_mode(ide_drive_t *drive, const u8 pio) /* Actually we do - there is a data sheet available for the Winbond but does anyone actually care */ } - - /* - * 32bit I/O has to be enabled for *both* drives at the same time. - */ - drive->io_32bit = 1; - HWIF(drive)->drives[!drive->select.b.unit].io_32bit = 1; } static int __init dtc2278_probe(void) @@ -123,18 +117,24 @@ static int __init dtc2278_probe(void) local_irq_restore(flags); hwif->serialized = 1; + hwif->no_io_32bit = 1; /* disallow ->io_32bit changes */ hwif->chipset = ide_dtc2278; hwif->pio_mask = ATA_PIO4; hwif->set_pio_mode = &dtc2278_set_pio_mode; hwif->drives[0].no_unmask = 1; hwif->drives[1].no_unmask = 1; + hwif->drives[0].io_32bit = 1; + hwif->drives[1].io_32bit = 1; hwif->mate = mate; mate->serialized = 1; + mate->no_io_32bit = 1; mate->chipset = ide_dtc2278; mate->pio_mask = ATA_PIO4; mate->drives[0].no_unmask = 1; mate->drives[1].no_unmask = 1; + mate->drives[0].io_32bit = 1; + mate->drives[1].io_32bit = 1; mate->mate = hwif; mate->channel = 1; |