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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2007-11-13 22:09:15 +0100
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2007-11-13 22:09:15 +0100
commit03644cd497e27c3d274f39e58ddc577e9d73bb39 (patch)
tree1ed59238df2653b4db5582af1623a4c13ff633d6 /drivers
parent2ad1e0558f369f11d180b7448d97164a0c5f07e2 (diff)
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 <mikpe@it.uu.se> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/ide/ppc/pmac.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c
index 816b5311dad..5afdfef7264 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;