Re: [PATCH 2/18] ide-pmac: skip conservative PIO "downgrade"

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On Mon, 2007-11-05 at 00:17 +0100, Bartlomiej Zolnierkiewicz wrote:
> 
> We can skip conservative PIO "downgrade" (PIO3 becomes PIO2 etc.) on PMAC.
> 
> Problem reported by Mikael.
> 
> Cc: Mikael Pettersson <mikpe@xxxxxxxx>

Acked-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>

> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
> ---
>  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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