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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-10-08 11:59:06 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-10-08 11:59:06 -0700 |
| commit | df87f344efac96cb9f9367e82509208216f1e0fa (patch) | |
| tree | e5423f3973852736438382576f8a432d67e11713 /drivers/ide/sis5513.c | |
| parent | 385c51d6b1dc7cdbbb1b189d18bb4680d0714a37 (diff) | |
| parent | 032665a26f5fe230509c4d35bd53f69fb6aa45b0 (diff) | |
| download | op-kernel-dev-df87f344efac96cb9f9367e82509208216f1e0fa.zip op-kernel-dev-df87f344efac96cb9f9367e82509208216f1e0fa.tar.gz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6:
Revert "Revert "ide: try to use PIO Mode 0 during probe if possible""
sis5513: fix PIO setup for ATAPI devices
Diffstat (limited to 'drivers/ide/sis5513.c')
| -rw-r--r-- | drivers/ide/sis5513.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/ide/sis5513.c b/drivers/ide/sis5513.c index afca22b..3b88eba 100644 --- a/drivers/ide/sis5513.c +++ b/drivers/ide/sis5513.c @@ -2,7 +2,7 @@ * Copyright (C) 1999-2000 Andre Hedrick <andre@linux-ide.org> * Copyright (C) 2002 Lionel Bouton <Lionel.Bouton@inet6.fr>, Maintainer * Copyright (C) 2003 Vojtech Pavlik <vojtech@suse.cz> - * Copyright (C) 2007 Bartlomiej Zolnierkiewicz + * Copyright (C) 2007-2009 Bartlomiej Zolnierkiewicz * * May be copied or modified under the terms of the GNU General Public License * @@ -281,11 +281,13 @@ static void config_drive_art_rwp(ide_drive_t *drive) pci_read_config_byte(dev, 0x4b, ®4bh); + rw_prefetch = reg4bh & ~(0x11 << drive->dn); + if (drive->media == ide_disk) - rw_prefetch = 0x11 << drive->dn; + rw_prefetch |= 0x11 << drive->dn; - if ((reg4bh & (0x11 << drive->dn)) != rw_prefetch) - pci_write_config_byte(dev, 0x4b, reg4bh|rw_prefetch); + if (reg4bh != rw_prefetch) + pci_write_config_byte(dev, 0x4b, rw_prefetch); } static void sis_set_pio_mode(ide_drive_t *drive, const u8 pio) |
