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authorRussell King <rmk+kernel@arm.linux.org.uk>2009-10-12 13:38:08 (GMT)
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-10-12 13:38:08 (GMT)
commitedc72786d208e77db94f84dcb0d166c0d23d82f7 (patch)
tree6fd32770f9cb2f1a888775514294d60aecba5245 /drivers/ide/sis5513.c
parent6a5e293f1b34920c69a932ce37b4a4714a428dc7 (diff)
parent4367216a099b4df3fa2c4f2b086cda1a1e9afc4e (diff)
downloadlinux-edc72786d208e77db94f84dcb0d166c0d23d82f7.tar.xz
Merge branch 'fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6
Diffstat (limited to 'drivers/ide/sis5513.c')
-rw-r--r--drivers/ide/sis5513.c10
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, &reg4bh);
+ 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)