We can skip conservative PIO "downgrade" (PIO3 becomes PIO2 etc.) on PMAC.
Problem reported by Mikael.
Cc: Mikael Pettersson <[EMAIL PROTECTED]>
Cc: Benjamin Herrenschmidt <[EMAIL PROTECTED]>
Signed-off-by: Bartlomiej Zolnierkiewicz <[EMAIL PROTECTED]>
---
drivers/ide/ppc/pmac.c | 1 +
1 file changed, 1 insertion(+)
Index: b/drivers/ide/ppc/pmac.c
===================================================================
--- a/drivers/ide/ppc/pmac.c
+++ b/drivers/ide/ppc/pmac.c
@@ -1133,6 +1133,7 @@ pmac_ide_setup_device(pmac_ide_hwif_t *p
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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