ide: add PIO masks

* Add ATA_PIO[0-6] defines to <linux/ata.h>.

* Add ->pio_mask field to ide_pci_device_t and ide_hwif_t.

* Add PIO masks to host drivers.

<linux/ata.h> change ACK-ed by Jeff Garzik <jeff@garzik.org>.

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

2 files changed, 3 insertions, 0 deletions

diff --git a/drivers/ide/ppc/mpc8xx.c b/drivers/ide/ppc/mpc8xx.c
index f3789c0e6cc9..8859fe2f5ac2 100644
--- a/drivers/ide/ppc/mpc8xx.c
+++ b/drivers/ide/ppc/mpc8xx.c
@@ -316,6 +316,7 @@ m8xx_ide_init_hwif_ports(hw_regs_t *hw, unsigned long data_port,
         }
 
         /* register routine to tune PIO mode */
+        ide_hwifs[data_port].pio_mask = ATA_PIO4;
         ide_hwifs[data_port].tuneproc = m8xx_ide_tuneproc;
 
         hw->ack_intr = (ide_ack_intr_t *) ide_interrupt_ack;
@@ -402,6 +403,7 @@ void m8xx_ide_init_hwif_ports (hw_regs_t *hw,
         }
 
         /* register routine to tune PIO mode */
+        ide_hwifs[data_port].pio_mask = ATA_PIO4;
         ide_hwifs[data_port].tuneproc = m8xx_ide_tuneproc;
 
         hw->ack_intr = (ide_ack_intr_t *) ide_interrupt_ack;
diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c
index debaa8823f51..33630ad3e794 100644
--- a/drivers/ide/ppc/pmac.c
+++ b/drivers/ide/ppc/pmac.c
@@ -1248,6 +1248,7 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif)
         hwif->cbl = pmif->cable_80 ? ATA_CBL_PATA80 : ATA_CBL_PATA40;
         hwif->drives[0].unmask = 1;
         hwif->drives[1].unmask = 1;
+        hwif->pio_mask = ATA_PIO4;
         hwif->tuneproc = pmac_ide_tuneproc;
         if (pmif->kind == controller_un_ata6
             || pmif->kind == controller_k2_ata6