Move libata to drivers/ata.

1 files changed, 0 insertions, 740 deletions

diff --git a/drivers/scsi/pdc_adma.c b/drivers/scsi/pdc_adma.c
deleted file mode 100644
index 61d2aa6..0000000
--- a/drivers/scsi/pdc_adma.c
+++ /dev/null
@@ -1,740 +0,0 @@
-/*
- *  pdc_adma.c - Pacific Digital Corporation ADMA
- *
- *  Maintained by:  Mark Lord <mlord@pobox.com>
- *
- *  Copyright 2005 Mark Lord
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2, or (at your option)
- *  any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; see the file COPYING.  If not, write to
- *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- *
- *  libata documentation is available via 'make {ps|pdf}docs',
- *  as Documentation/DocBook/libata.*
- *
- *
- *  Supports ATA disks in single-packet ADMA mode.
- *  Uses PIO for everything else.
- *
- *  TODO:  Use ADMA transfers for ATAPI devices, when possible.
- *  This requires careful attention to a number of quirks of the chip.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/pci.h>
-#include <linux/init.h>
-#include <linux/blkdev.h>
-#include <linux/delay.h>
-#include <linux/interrupt.h>
-#include <linux/sched.h>
-#include <linux/device.h>
-#include <scsi/scsi_host.h>
-#include <asm/io.h>
-#include <linux/libata.h>
-
-#define DRV_NAME	"pdc_adma"
-#define DRV_VERSION	"0.04"
-
-/* macro to calculate base address for ATA regs */
-#define ADMA_ATA_REGS(base,port_no)	((base) + ((port_no) * 0x40))
-
-/* macro to calculate base address for ADMA regs */
-#define ADMA_REGS(base,port_no)	((base) + 0x80 + ((port_no) * 0x20))
-
-enum {
-	ADMA_PORTS		= 2,
-	ADMA_CPB_BYTES		= 40,
-	ADMA_PRD_BYTES		= LIBATA_MAX_PRD * 16,
-	ADMA_PKT_BYTES		= ADMA_CPB_BYTES + ADMA_PRD_BYTES,
-
-	ADMA_DMA_BOUNDARY	= 0xffffffff,
-
-	/* global register offsets */
-	ADMA_MODE_LOCK		= 0x00c7,
-
-	/* per-channel register offsets */
-	ADMA_CONTROL		= 0x0000, /* ADMA control */
-	ADMA_STATUS		= 0x0002, /* ADMA status */
-	ADMA_CPB_COUNT		= 0x0004, /* CPB count */
-	ADMA_CPB_CURRENT	= 0x000c, /* current CPB address */
-	ADMA_CPB_NEXT		= 0x000c, /* next CPB address */
-	ADMA_CPB_LOOKUP		= 0x0010, /* CPB lookup table */
-	ADMA_FIFO_IN		= 0x0014, /* input FIFO threshold */
-	ADMA_FIFO_OUT		= 0x0016, /* output FIFO threshold */
-
-	/* ADMA_CONTROL register bits */
-	aNIEN			= (1 << 8), /* irq mask: 1==masked */
-	aGO			= (1 << 7), /* packet trigger ("Go!") */
-	aRSTADM			= (1 << 5), /* ADMA logic reset */
-	aPIOMD4			= 0x0003,   /* PIO mode 4 */
-
-	/* ADMA_STATUS register bits */
-	aPSD			= (1 << 6),
-	aUIRQ			= (1 << 4),
-	aPERR			= (1 << 0),
-
-	/* CPB bits */
-	cDONE			= (1 << 0),
-	cVLD			= (1 << 0),
-	cDAT			= (1 << 2),
-	cIEN			= (1 << 3),
-
-	/* PRD bits */
-	pORD			= (1 << 4),
-	pDIRO			= (1 << 5),
-	pEND			= (1 << 7),
-
-	/* ATA register flags */
-	rIGN			= (1 << 5),
-	rEND			= (1 << 7),
-
-	/* ATA register addresses */
-	ADMA_REGS_CONTROL	= 0x0e,
-	ADMA_REGS_SECTOR_COUNT	= 0x12,
-	ADMA_REGS_LBA_LOW	= 0x13,
-	ADMA_REGS_LBA_MID	= 0x14,
-	ADMA_REGS_LBA_HIGH	= 0x15,
-	ADMA_REGS_DEVICE	= 0x16,
-	ADMA_REGS_COMMAND	= 0x17,
-
-	/* PCI device IDs */
-	board_1841_idx		= 0,	/* ADMA 2-port controller */
-};
-
-typedef enum { adma_state_idle, adma_state_pkt, adma_state_mmio } adma_state_t;
-
-struct adma_port_priv {
-	u8			*pkt;
-	dma_addr_t		pkt_dma;
-	adma_state_t		state;
-};
-
-static int adma_ata_init_one (struct pci_dev *pdev,
-				const struct pci_device_id *ent);
-static irqreturn_t adma_intr (int irq, void *dev_instance,
-				struct pt_regs *regs);
-static int adma_port_start(struct ata_port *ap);
-static void adma_host_stop(struct ata_host_set *host_set);
-static void adma_port_stop(struct ata_port *ap);
-static void adma_phy_reset(struct ata_port *ap);
-static void adma_qc_prep(struct ata_queued_cmd *qc);
-static unsigned int adma_qc_issue(struct ata_queued_cmd *qc);
-static int adma_check_atapi_dma(struct ata_queued_cmd *qc);
-static void adma_bmdma_stop(struct ata_queued_cmd *qc);
-static u8 adma_bmdma_status(struct ata_port *ap);
-static void adma_irq_clear(struct ata_port *ap);
-static void adma_eng_timeout(struct ata_port *ap);
-
-static struct scsi_host_template adma_ata_sht = {
-	.module			= THIS_MODULE,
-	.name			= DRV_NAME,
-	.ioctl			= ata_scsi_ioctl,
-	.queuecommand		= ata_scsi_queuecmd,
-	.can_queue		= ATA_DEF_QUEUE,
-	.this_id		= ATA_SHT_THIS_ID,
-	.sg_tablesize		= LIBATA_MAX_PRD,
-	.cmd_per_lun		= ATA_SHT_CMD_PER_LUN,
-	.emulated		= ATA_SHT_EMULATED,
-	.use_clustering		= ENABLE_CLUSTERING,
-	.proc_name		= DRV_NAME,
-	.dma_boundary		= ADMA_DMA_BOUNDARY,
-	.slave_configure	= ata_scsi_slave_config,
-	.slave_destroy		= ata_scsi_slave_destroy,
-	.bios_param		= ata_std_bios_param,
-};
-
-static const struct ata_port_operations adma_ata_ops = {
-	.port_disable		= ata_port_disable,
-	.tf_load		= ata_tf_load,
-	.tf_read		= ata_tf_read,
-	.check_status		= ata_check_status,
-	.check_atapi_dma	= adma_check_atapi_dma,
-	.exec_command		= ata_exec_command,
-	.dev_select		= ata_std_dev_select,
-	.phy_reset		= adma_phy_reset,
-	.qc_prep		= adma_qc_prep,
-	.qc_issue		= adma_qc_issue,
-	.eng_timeout		= adma_eng_timeout,
-	.data_xfer		= ata_mmio_data_xfer,
-	.irq_handler		= adma_intr,
-	.irq_clear		= adma_irq_clear,
-	.port_start		= adma_port_start,
-	.port_stop		= adma_port_stop,
-	.host_stop		= adma_host_stop,
-	.bmdma_stop		= adma_bmdma_stop,
-	.bmdma_status		= adma_bmdma_status,
-};
-
-static struct ata_port_info adma_port_info[] = {
-	/* board_1841_idx */
-	{
-		.sht		= &adma_ata_sht,
-		.host_flags	= ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST |
-				  ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO |
-				  ATA_FLAG_PIO_POLLING,
-		.pio_mask	= 0x10, /* pio4 */
-		.udma_mask	= 0x1f, /* udma0-4 */
-		.port_ops	= &adma_ata_ops,
-	},
-};
-
-static const struct pci_device_id adma_ata_pci_tbl[] = {
-	{ PCI_VENDOR_ID_PDC, 0x1841, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
-	  board_1841_idx },
-
-	{ }	/* terminate list */
-};
-
-static struct pci_driver adma_ata_pci_driver = {
-	.name			= DRV_NAME,
-	.id_table		= adma_ata_pci_tbl,
-	.probe			= adma_ata_init_one,
-	.remove			= ata_pci_remove_one,
-};
-
-static int adma_check_atapi_dma(struct ata_queued_cmd *qc)
-{
-	return 1;	/* ATAPI DMA not yet supported */
-}
-
-static void adma_bmdma_stop(struct ata_queued_cmd *qc)
-{
-	/* nothing */
-}
-
-static u8 adma_bmdma_status(struct ata_port *ap)
-{
-	return 0;
-}
-
-static void adma_irq_clear(struct ata_port *ap)
-{
-	/* nothing */
-}
-
-static void adma_reset_engine(void __iomem *chan)
-{
-	/* reset ADMA to idle state */
-	writew(aPIOMD4 | aNIEN | aRSTADM, chan + ADMA_CONTROL);
-	udelay(2);
-	writew(aPIOMD4, chan + ADMA_CONTROL);
-	udelay(2);
-}
-
-static void adma_reinit_engine(struct ata_port *ap)
-{
-	struct adma_port_priv *pp = ap->private_data;
-	void __iomem *mmio_base = ap->host_set->mmio_base;
-	void __iomem *chan = ADMA_REGS(mmio_base, ap->port_no);
-
-	/* mask/clear ATA interrupts */
-	writeb(ATA_NIEN, (void __iomem *)ap->ioaddr.ctl_addr);
-	ata_check_status(ap);
-
-	/* reset the ADMA engine */
-	adma_reset_engine(chan);
-
-	/* set in-FIFO threshold to 0x100 */
-	writew(0x100, chan + ADMA_FIFO_IN);
-
-	/* set CPB pointer */
-	writel((u32)pp->pkt_dma, chan + ADMA_CPB_NEXT);
-
-	/* set out-FIFO threshold to 0x100 */
-	writew(0x100, chan + ADMA_FIFO_OUT);
-
-	/* set CPB count */
-	writew(1, chan + ADMA_CPB_COUNT);
-
-	/* read/discard ADMA status */
-	readb(chan + ADMA_STATUS);
-}
-
-static inline void adma_enter_reg_mode(struct ata_port *ap)
-{
-	void __iomem *chan = ADMA_REGS(ap->host_set->mmio_base, ap->port_no);
-
-	writew(aPIOMD4, chan + ADMA_CONTROL);
-	readb(chan + ADMA_STATUS);	/* flush */
-}
-
-static void adma_phy_reset(struct ata_port *ap)
-{
-	struct adma_port_priv *pp = ap->private_data;
-
-	pp->state = adma_state_idle;
-	adma_reinit_engine(ap);
-	ata_port_probe(ap);
-	ata_bus_reset(ap);
-}
-
-static void adma_eng_timeout(struct ata_port *ap)
-{
-	struct adma_port_priv *pp = ap->private_data;
-
-	if (pp->state != adma_state_idle) /* healthy paranoia */
-		pp->state = adma_state_mmio;
-	adma_reinit_engine(ap);
-	ata_eng_timeout(ap);
-}
-
-static int adma_fill_sg(struct ata_queued_cmd *qc)
-{
-	struct scatterlist *sg;
-	struct ata_port *ap = qc->ap;
-	struct adma_port_priv *pp = ap->private_data;
-	u8  *buf = pp->pkt;
-	int i = (2 + buf[3]) * 8;
-	u8 pFLAGS = pORD | ((qc->tf.flags & ATA_TFLAG_WRITE) ? pDIRO : 0);
-
-	ata_for_each_sg(sg, qc) {
-		u32 addr;
-		u32 len;
-
-		addr = (u32)sg_dma_address(sg);
-		*(__le32 *)(buf + i) = cpu_to_le32(addr);
-		i += 4;
-
-		len = sg_dma_len(sg) >> 3;
-		*(__le32 *)(buf + i) = cpu_to_le32(len);
-		i += 4;
-
-		if (ata_sg_is_last(sg, qc))
-			pFLAGS |= pEND;
-		buf[i++] = pFLAGS;
-		buf[i++] = qc->dev->dma_mode & 0xf;
-		buf[i++] = 0;	/* pPKLW */
-		buf[i++] = 0;	/* reserved */
-
-		*(__le32 *)(buf + i)
-			= (pFLAGS & pEND) ? 0 : cpu_to_le32(pp->pkt_dma + i + 4);
-		i += 4;
-
-		VPRINTK("PRD[%u] = (0x%lX, 0x%X)\n", i/4,
-					(unsigned long)addr, len);
-	}
-	return i;
-}
-
-static void adma_qc_prep(struct ata_queued_cmd *qc)
-{
-	struct adma_port_priv *pp = qc->ap->private_data;
-	u8  *buf = pp->pkt;
-	u32 pkt_dma = (u32)pp->pkt_dma;
-	int i = 0;
-
-	VPRINTK("ENTER\n");
-
-	adma_enter_reg_mode(qc->ap);
-	if (qc->tf.protocol != ATA_PROT_DMA) {
-		ata_qc_prep(qc);
-		return;
-	}
-
-	buf[i++] = 0;	/* Response flags */
-	buf[i++] = 0;	/* reserved */
-	buf[i++] = cVLD | cDAT | cIEN;
-	i++;		/* cLEN, gets filled in below */
-
-	*(__le32 *)(buf+i) = cpu_to_le32(pkt_dma);	/* cNCPB */
-	i += 4;		/* cNCPB */
-	i += 4;		/* cPRD, gets filled in below */
-
-	buf[i++] = 0;	/* reserved */
-	buf[i++] = 0;	/* reserved */
-	buf[i++] = 0;	/* reserved */
-	buf[i++] = 0;	/* reserved */
-
-	/* ATA registers; must be a multiple of 4 */
-	buf[i++] = qc->tf.device;
-	buf[i++] = ADMA_REGS_DEVICE;
-	if ((qc->tf.flags & ATA_TFLAG_LBA48)) {
-		buf[i++] = qc->tf.hob_nsect;
-		buf[i++] = ADMA_REGS_SECTOR_COUNT;
-		buf[i++] = qc->tf.hob_lbal;
-		buf[i++] = ADMA_REGS_LBA_LOW;
-		buf[i++] = qc->tf.hob_lbam;
-		buf[i++] = ADMA_REGS_LBA_MID;
-		buf[i++] = qc->tf.hob_lbah;
-		buf[i++] = ADMA_REGS_LBA_HIGH;
-	}
-	buf[i++] = qc->tf.nsect;
-	buf[i++] = ADMA_REGS_SECTOR_COUNT;
-	buf[i++] = qc->tf.lbal;
-	buf[i++] = ADMA_REGS_LBA_LOW;
-	buf[i++] = qc->tf.lbam;
-	buf[i++] = ADMA_REGS_LBA_MID;
-	buf[i++] = qc->tf.lbah;
-	buf[i++] = ADMA_REGS_LBA_HIGH;
-	buf[i++] = 0;
-	buf[i++] = ADMA_REGS_CONTROL;
-	buf[i++] = rIGN;
-	buf[i++] = 0;
-	buf[i++] = qc->tf.command;
-	buf[i++] = ADMA_REGS_COMMAND | rEND;
-
-	buf[3] = (i >> 3) - 2;				/* cLEN */
-	*(__le32 *)(buf+8) = cpu_to_le32(pkt_dma + i);	/* cPRD */
-
-	i = adma_fill_sg(qc);
-	wmb();	/* flush PRDs and pkt to memory */
-#if 0
-	/* dump out CPB + PRDs for debug */
-	{
-		int j, len = 0;
-		static char obuf[2048];
-		for (j = 0; j < i; ++j) {
-			len += sprintf(obuf+len, "%02x ", buf[j]);
-			if ((j & 7) == 7) {
-				printk("%s\n", obuf);
-				len = 0;
-			}
-		}
-		if (len)
-			printk("%s\n", obuf);
-	}
-#endif
-}
-
-static inline void adma_packet_start(struct ata_queued_cmd *qc)
-{
-	struct ata_port *ap = qc->ap;
-	void __iomem *chan = ADMA_REGS(ap->host_set->mmio_base, ap->port_no);
-
-	VPRINTK("ENTER, ap %p\n", ap);
-
-	/* fire up the ADMA engine */
-	writew(aPIOMD4 | aGO, chan + ADMA_CONTROL);
-}
-
-static unsigned int adma_qc_issue(struct ata_queued_cmd *qc)
-{
-	struct adma_port_priv *pp = qc->ap->private_data;
-
-	switch (qc->tf.protocol) {
-	case ATA_PROT_DMA:
-		pp->state = adma_state_pkt;
-		adma_packet_start(qc);
-		return 0;
-
-	case ATA_PROT_ATAPI_DMA:
-		BUG();
-		break;
-
-	default:
-		break;
-	}
-
-	pp->state = adma_state_mmio;
-	return ata_qc_issue_prot(qc);
-}
-
-static inline unsigned int adma_intr_pkt(struct ata_host_set *host_set)
-{
-	unsigned int handled = 0, port_no;
-	u8 __iomem *mmio_base = host_set->mmio_base;
-
-	for (port_no = 0; port_no < host_set->n_ports; ++port_no) {
-		struct ata_port *ap = host_set->ports[port_no];
-		struct adma_port_priv *pp;
-		struct ata_queued_cmd *qc;
-		void __iomem *chan = ADMA_REGS(mmio_base, port_no);
-		u8 status = readb(chan + ADMA_STATUS);
-
-		if (status == 0)
-			continue;
-		handled = 1;
-		adma_enter_reg_mode(ap);
-		if (ap->flags & ATA_FLAG_DISABLED)
-			continue;
-		pp = ap->private_data;
-		if (!pp || pp->state != adma_state_pkt)
-			continue;
-		qc = ata_qc_from_tag(ap, ap->active_tag);
-		if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING))) {
-			if ((status & (aPERR | aPSD | aUIRQ)))
-				qc->err_mask |= AC_ERR_OTHER;
-			else if (pp->pkt[0] != cDONE)
-				qc->err_mask |= AC_ERR_OTHER;
-
-			ata_qc_complete(qc);
-		}
-	}
-	return handled;
-}
-
-static inline unsigned int adma_intr_mmio(struct ata_host_set *host_set)
-{
-	unsigned int handled = 0, port_no;
-
-	for (port_no = 0; port_no < host_set->n_ports; ++port_no) {
-		struct ata_port *ap;
-		ap = host_set->ports[port_no];
-		if (ap && (!(ap->flags & ATA_FLAG_DISABLED))) {
-			struct ata_queued_cmd *qc;
-			struct adma_port_priv *pp = ap->private_data;
-			if (!pp || pp->state != adma_state_mmio)
-				continue;
-			qc = ata_qc_from_tag(ap, ap->active_tag);
-			if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING))) {
-
-				/* check main status, clearing INTRQ */
-				u8 status = ata_check_status(ap);
-				if ((status & ATA_BUSY))
-					continue;
-				DPRINTK("ata%u: protocol %d (dev_stat 0x%X)\n",
-					ap->id, qc->tf.protocol, status);
-		
-				/* complete taskfile transaction */
-				pp->state = adma_state_idle;
-				qc->err_mask |= ac_err_mask(status);
-				ata_qc_complete(qc);
-				handled = 1;
-			}
-		}
-	}
-	return handled;
-}
-
-static irqreturn_t adma_intr(int irq, void *dev_instance, struct pt_regs *regs)
-{
-	struct ata_host_set *host_set = dev_instance;
-	unsigned int handled = 0;
-
-	VPRINTK("ENTER\n");
-
-	spin_lock(&host_set->lock);
-	handled  = adma_intr_pkt(host_set) | adma_intr_mmio(host_set);
-	spin_unlock(&host_set->lock);
-
-	VPRINTK("EXIT\n");
-
-	return IRQ_RETVAL(handled);
-}
-
-static void adma_ata_setup_port(struct ata_ioports *port, unsigned long base)
-{
-	port->cmd_addr		=
-	port->data_addr		= base + 0x000;
-	port->error_addr	=
-	port->feature_addr	= base + 0x004;
-	port->nsect_addr	= base + 0x008;
-	port->lbal_addr		= base + 0x00c;
-	port->lbam_addr		= base + 0x010;
-	port->lbah_addr		= base + 0x014;
-	port->device_addr	= base + 0x018;
-	port->status_addr	=
-	port->command_addr	= base + 0x01c;
-	port->altstatus_addr	=
-	port->ctl_addr		= base + 0x038;
-}
-
-static int adma_port_start(struct ata_port *ap)
-{
-	struct device *dev = ap->host_set->dev;
-	struct adma_port_priv *pp;
-	int rc;
-
-	rc = ata_port_start(ap);
-	if (rc)
-		return rc;
-	adma_enter_reg_mode(ap);
-	rc = -ENOMEM;
-	pp = kcalloc(1, sizeof(*pp), GFP_KERNEL);
-	if (!pp)
-		goto err_out;
-	pp->pkt = dma_alloc_coherent(dev, ADMA_PKT_BYTES, &pp->pkt_dma,
-								GFP_KERNEL);
-	if (!pp->pkt)
-		goto err_out_kfree;
-	/* paranoia? */
-	if ((pp->pkt_dma & 7) != 0) {
-		printk("bad alignment for pp->pkt_dma: %08x\n",
-						(u32)pp->pkt_dma);
-		dma_free_coherent(dev, ADMA_PKT_BYTES,
-						pp->pkt, pp->pkt_dma);
-		goto err_out_kfree;
-	}
-	memset(pp->pkt, 0, ADMA_PKT_BYTES);
-	ap->private_data = pp;
-	adma_reinit_engine(ap);
-	return 0;
-
-err_out_kfree:
-	kfree(pp);
-err_out:
-	ata_port_stop(ap);
-	return rc;
-}
-
-static void adma_port_stop(struct ata_port *ap)
-{
-	struct device *dev = ap->host_set->dev;
-	struct adma_port_priv *pp = ap->private_data;
-
-	adma_reset_engine(ADMA_REGS(ap->host_set->mmio_base, ap->port_no));
-	if (pp != NULL) {
-		ap->private_data = NULL;
-		if (pp->pkt != NULL)
-			dma_free_coherent(dev, ADMA_PKT_BYTES,
-					pp->pkt, pp->pkt_dma);
-		kfree(pp);
-	}
-	ata_port_stop(ap);
-}
-
-static void adma_host_stop(struct ata_host_set *host_set)
-{
-	unsigned int port_no;
-
-	for (port_no = 0; port_no < ADMA_PORTS; ++port_no)
-		adma_reset_engine(ADMA_REGS(host_set->mmio_base, port_no));
-
-	ata_pci_host_stop(host_set);
-}
-
-static void adma_host_init(unsigned int chip_id,
-				struct ata_probe_ent *probe_ent)
-{
-	unsigned int port_no;
-	void __iomem *mmio_base = probe_ent->mmio_base;
-
-	/* enable/lock aGO operation */
-	writeb(7, mmio_base + ADMA_MODE_LOCK);
-
-	/* reset the ADMA logic */
-	for (port_no = 0; port_no < ADMA_PORTS; ++port_no)
-		adma_reset_engine(ADMA_REGS(mmio_base, port_no));
-}
-
-static int adma_set_dma_masks(struct pci_dev *pdev, void __iomem *mmio_base)
-{
-	int rc;
-
-	rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
-	if (rc) {
-		dev_printk(KERN_ERR, &pdev->dev,
-			"32-bit DMA enable failed\n");
-		return rc;
-	}
-	rc = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
-	if (rc) {
-		dev_printk(KERN_ERR, &pdev->dev,
-			"32-bit consistent DMA enable failed\n");
-		return rc;
-	}
-	return 0;
-}
-
-static int adma_ata_init_one(struct pci_dev *pdev,
-				const struct pci_device_id *ent)
-{
-	static int printed_version;
-	struct ata_probe_ent *probe_ent = NULL;
-	void __iomem *mmio_base;
-	unsigned int board_idx = (unsigned int) ent->driver_data;
-	int rc, port_no;
-
-	if (!printed_version++)
-		dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
-
-	rc = pci_enable_device(pdev);
-	if (rc)
-		return rc;
-
-	rc = pci_request_regions(pdev, DRV_NAME);
-	if (rc)
-		goto err_out;
-
-	if ((pci_resource_flags(pdev, 4) & IORESOURCE_MEM) == 0) {
-		rc = -ENODEV;
-		goto err_out_regions;
-	}
-
-	mmio_base = pci_iomap(pdev, 4, 0);
-	if (mmio_base == NULL) {
-		rc = -ENOMEM;
-		goto err_out_regions;
-	}
-
-	rc = adma_set_dma_masks(pdev, mmio_base);
-	if (rc)
-		goto err_out_iounmap;
-
-	probe_ent = kcalloc(1, sizeof(*probe_ent), GFP_KERNEL);
-	if (probe_ent == NULL) {
-		rc = -ENOMEM;
-		goto err_out_iounmap;
-	}
-
-	probe_ent->dev = pci_dev_to_dev(pdev);
-	INIT_LIST_HEAD(&probe_ent->node);
-
-	probe_ent->sht		= adma_port_info[board_idx].sht;
-	probe_ent->host_flags	= adma_port_info[board_idx].host_flags;
-	probe_ent->pio_mask	= adma_port_info[board_idx].pio_mask;
-	probe_ent->mwdma_mask	= adma_port_info[board_idx].mwdma_mask;
-	probe_ent->udma_mask	= adma_port_info[board_idx].udma_mask;
-	probe_ent->port_ops	= adma_port_info[board_idx].port_ops;
-
-	probe_ent->irq		= pdev->irq;
-	probe_ent->irq_flags	= IRQF_SHARED;
-	probe_ent->mmio_base	= mmio_base;
-	probe_ent->n_ports	= ADMA_PORTS;
-
-	for (port_no = 0; port_no < probe_ent->n_ports; ++port_no) {
-		adma_ata_setup_port(&probe_ent->port[port_no],
-			ADMA_ATA_REGS((unsigned long)mmio_base, port_no));
-	}
-
-	pci_set_master(pdev);
-
-	/* initialize adapter */
-	adma_host_init(board_idx, probe_ent);
-
-	rc = ata_device_add(probe_ent);
-	kfree(probe_ent);
-	if (rc != ADMA_PORTS)
-		goto err_out_iounmap;
-	return 0;
-
-err_out_iounmap:
-	pci_iounmap(pdev, mmio_base);
-err_out_regions:
-	pci_release_regions(pdev);
-err_out:
-	pci_disable_device(pdev);
-	return rc;
-}
-
-static int __init adma_ata_init(void)
-{
-	return pci_register_driver(&adma_ata_pci_driver);
-}
-
-static void __exit adma_ata_exit(void)
-{
-	pci_unregister_driver(&adma_ata_pci_driver);
-}
-
-MODULE_AUTHOR("Mark Lord");
-MODULE_DESCRIPTION("Pacific Digital Corporation ADMA low-level driver");
-MODULE_LICENSE("GPL");
-MODULE_DEVICE_TABLE(pci, adma_ata_pci_tbl);
-MODULE_VERSION(DRV_VERSION);
-
-module_init(adma_ata_init);
-module_exit(adma_ata_exit);