Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=03644cd497e27c3d274f39e58ddc577e9d73bb39
Commit:     03644cd497e27c3d274f39e58ddc577e9d73bb39
Parent:     2ad1e0558f369f11d180b7448d97164a0c5f07e2
Author:     Bartlomiej Zolnierkiewicz <[EMAIL PROTECTED]>
AuthorDate: Tue Nov 13 22:09:15 2007 +0100
Committer:  Bartlomiej Zolnierkiewicz <[EMAIL PROTECTED]>
CommitDate: Tue Nov 13 22:09:15 2007 +0100

    ide-pmac: skip conservative PIO "downgrade"
    
    We can skip conservative PIO "downgrade" (PIO3 becomes PIO2 etc.) on PMAC.
    
    Problem reported by Mikael.
    
    Cc: Mikael Pettersson <[EMAIL PROTECTED]>
    Acked-by: Benjamin Herrenschmidt <[EMAIL PROTECTED]>
    Acked-by: Sergei Shtylyov <[EMAIL PROTECTED]>
    Signed-off-by: Bartlomiej Zolnierkiewicz <[EMAIL PROTECTED]>
---
 drivers/ide/ppc/pmac.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c
index 816b531..5afdfef 100644
--- a/drivers/ide/ppc/pmac.c
+++ b/drivers/ide/ppc/pmac.c
@@ -1138,6 +1138,7 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t 
*hwif)
        hwif->drives[0].autotune = IDE_TUNE_AUTO;
        hwif->drives[1].autotune = IDE_TUNE_AUTO;
        hwif->host_flags = IDE_HFLAG_SET_PIO_MODE_KEEP_DMA |
+                          IDE_HFLAG_PIO_NO_DOWNGRADE |
                           IDE_HFLAG_POST_SET_MODE;
        hwif->pio_mask = ATA_PIO4;
        hwif->set_pio_mode = pmac_ide_set_pio_mode;
-
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