74  *	efar_set_piomode - Initialize host controller PATA PIO timings
78  *	Set PIO mode for device, in host controller PCI config space.
86 	unsigned int pio	= adev->pio_mode - XFER_PIO_0;  in efar_set_piomode()  local
106 	if (pio > 1)  in efar_set_piomode()
108 	if (ata_pio_need_iordy(adev))	/* PIO 3/4 require IORDY */  in efar_set_piomode()
122 		master_data |= (timings[pio][0] << 12) |  in efar_set_piomode()
123 			(timings[pio][1] << 8);  in efar_set_piomode()
134 		slave_data |= ((timings[pio][0] << 2) | timings[pio][1]) << shift;  in efar_set_piomode()
193 		 * MWDMA is driven by the PIO timings. We must also enable  in efar_set_dmamode()
195 		 * been set when the PIO timing was set.  in efar_set_dmamode()
203 		int pio = needed_pio[mwdma] - XFER_PIO_0;  in efar_set_dmamode()  local
207 		/* If the drive MWDMA is faster than it can do PIO then  in efar_set_dmamode()
208 		   we must force PIO into PIO0 */  in efar_set_dmamode()
212 			control |= 8;	/* PIO cycles in PIO0 */  in efar_set_dmamode()
220 			slave_data |= ((timings[pio][0] << 2) | timings[pio][1]) << (ap->port_no ? 4 : 0);  in efar_set_dmamode()
227 				(timings[pio][0] << 12) |  in efar_set_dmamode()
228 				(timings[pio][1] << 8);  in efar_set_dmamode()