* This is used by most chipset support modules when "auto-tuning".
*/
-u8 ide_get_best_pio_mode(ide_drive_t *drive, u8 mode_wanted, u8 max_mode)
+static u8 ide_get_best_pio_mode(ide_drive_t *drive, u8 mode_wanted, u8 max_mode)
{
u16 *id = drive->id;
int pio_mode = -1, overridden = 0;
return pio_mode;
}
-EXPORT_SYMBOL_GPL(ide_get_best_pio_mode);
+
+int ide_pio_need_iordy(ide_drive_t *drive, const u8 pio)
+{
+ /*
+ * IORDY may lead to controller lock up on certain controllers
+ * if the port is not occupied.
+ */
+ if (pio == 0 && (drive->hwif->port_flags & IDE_PFLAG_PROBING))
+ return 0;
+ return ata_id_pio_need_iordy(drive->id, pio);
+}
+EXPORT_SYMBOL_GPL(ide_pio_need_iordy);
int ide_set_pio_mode(ide_drive_t *drive, const u8 mode)
{
* set transfer mode on the device in ->set_pio_mode method...
*/
if (port_ops->set_dma_mode == NULL) {
- port_ops->set_pio_mode(drive, mode - XFER_PIO_0);
+ drive->pio_mode = mode;
+ port_ops->set_pio_mode(hwif, drive);
return 0;
}
if (hwif->host_flags & IDE_HFLAG_POST_SET_MODE) {
if (ide_config_drive_speed(drive, mode))
return -1;
- port_ops->set_pio_mode(drive, mode - XFER_PIO_0);
+ drive->pio_mode = mode;
+ port_ops->set_pio_mode(hwif, drive);
return 0;
} else {
- port_ops->set_pio_mode(drive, mode - XFER_PIO_0);
+ drive->pio_mode = mode;
+ port_ops->set_pio_mode(hwif, drive);
return ide_config_drive_speed(drive, mode);
}
}
if (hwif->host_flags & IDE_HFLAG_POST_SET_MODE) {
if (ide_config_drive_speed(drive, mode))
return -1;
- port_ops->set_dma_mode(drive, mode);
+ drive->dma_mode = mode;
+ port_ops->set_dma_mode(hwif, drive);
return 0;
} else {
- port_ops->set_dma_mode(drive, mode);
+ drive->dma_mode = mode;
+ port_ops->set_dma_mode(hwif, drive);
return ide_config_drive_speed(drive, mode);
}
}