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

diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 4d76ba473097ac2ad89295181f9c8adb5433156a..63c53d65e875222aa0d2cd60c2d9a5f9f1feb0b6 100644 (file)
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -1046,6 +1046,15 @@ static void ide_port_init_devices(ide_hwif_t *hwif)
                if (port_ops && port_ops->init_dev)
                        port_ops->init_dev(drive);
        }
+
+       ide_port_for_each_dev(i, drive, hwif) {
+               /*
+                * default to PIO Mode 0 before we figure out
+                * the most suited mode for the attached device
+                */
+               if (port_ops && port_ops->set_pio_mode)
+                       port_ops->set_pio_mode(drive, 0);
+       }
 }
 
 static void ide_init_port(ide_hwif_t *hwif, unsigned int port,

diff --git a/drivers/ide/sis5513.c b/drivers/ide/sis5513.c
index afca22beaadfc3c279ed53693d31e0a98c48779c..3b88eba04c9c81fd33acd3f2b21196ac8a243a54 100644 (file)
--- 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)