X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=drivers%2Fata%2Fpata_ixp4xx_cf.c;h=de8d186f5abf01ba6c2e6dccfd0477e0e9fb4619;hb=54ef76f37bcccf8c16fbaaed13c3c40825195958;hp=120b5bfa7ce6e9019b2cbd07397ab8d91442c3ad;hpb=2d94dfc8c38edf63e91e48fd55c3a8822b6a9ced;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/ata/pata_ixp4xx_cf.c b/drivers/ata/pata_ixp4xx_cf.c
index 120b5bfa7ce..de8d186f5ab 100644
--- a/drivers/ata/pata_ixp4xx_cf.c
+++ b/drivers/ata/pata_ixp4xx_cf.c
@@ -42,13 +42,13 @@ static int ixp4xx_set_mode(struct ata_link *link, struct ata_device **error)
 	return 0;
 }
 
-static void ixp4xx_mmio_data_xfer(struct ata_device *adev, unsigned char *buf,
-				unsigned int buflen, int write_data)
+static unsigned int ixp4xx_mmio_data_xfer(struct ata_device *dev,
+				unsigned char *buf, unsigned int buflen, int rw)
 {
 	unsigned int i;
 	unsigned int words = buflen >> 1;
 	u16 *buf16 = (u16 *) buf;
-	struct ata_port *ap = adev->link->ap;
+	struct ata_port *ap = dev->link->ap;
 	void __iomem *mmio = ap->ioaddr.data_addr;
 	struct ixp4xx_pata_data *data = ap->host->dev->platform_data;
 
@@ -59,75 +59,43 @@ static void ixp4xx_mmio_data_xfer(struct ata_device *adev, unsigned char *buf,
 	udelay(100);
 
 	/* Transfer multiple of 2 bytes */
-	if (write_data) {
-		for (i = 0; i < words; i++)
-			writew(buf16[i], mmio);
-	} else {
+	if (rw == READ)
 		for (i = 0; i < words; i++)
 			buf16[i] = readw(mmio);
-	}
+	else
+		for (i = 0; i < words; i++)
+			writew(buf16[i], mmio);
 
 	/* Transfer trailing 1 byte, if any. */
 	if (unlikely(buflen & 0x01)) {
 		u16 align_buf[1] = { 0 };
 		unsigned char *trailing_buf = buf + buflen - 1;
 
-		if (write_data) {
-			memcpy(align_buf, trailing_buf, 1);
-			writew(align_buf[0], mmio);
-		} else {
+		if (rw == READ) {
 			align_buf[0] = readw(mmio);
 			memcpy(trailing_buf, align_buf, 1);
+		} else {
+			memcpy(align_buf, trailing_buf, 1);
+			writew(align_buf[0], mmio);
 		}
+		words++;
 	}
 
 	udelay(100);
 	*data->cs0_cfg |= 0x01;
+
+	return words << 1;
 }
 
 static struct scsi_host_template ixp4xx_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		= ATA_SHT_USE_CLUSTERING,
-	.proc_name		= DRV_NAME,
-	.dma_boundary		= ATA_DMA_BOUNDARY,
-	.slave_configure	= ata_scsi_slave_config,
-	.slave_destroy		= ata_scsi_slave_destroy,
-	.bios_param		= ata_std_bios_param,
+	ATA_PIO_SHT(DRV_NAME),
 };
 
 static struct ata_port_operations ixp4xx_port_ops = {
-	.set_mode		= ixp4xx_set_mode,
-	.mode_filter		= ata_pci_default_filter,
-
-	.tf_load		= ata_tf_load,
-	.tf_read		= ata_tf_read,
-	.exec_command		= ata_exec_command,
-	.check_status 		= ata_check_status,
-	.dev_select 		= ata_std_dev_select,
-
-	.freeze			= ata_bmdma_freeze,
-	.thaw			= ata_bmdma_thaw,
-	.error_handler		= ata_bmdma_error_handler,
-	.post_internal_cmd	= ata_bmdma_post_internal_cmd,
-
-	.qc_prep 		= ata_qc_prep,
-	.qc_issue		= ata_qc_issue_prot,
-	.data_xfer		= ixp4xx_mmio_data_xfer,
+	.inherits		= &ata_sff_port_ops,
+	.sff_data_xfer		= ixp4xx_mmio_data_xfer,
 	.cable_detect		= ata_cable_40wire,
-
-	.irq_handler		= ata_interrupt,
-	.irq_clear		= ata_bmdma_irq_clear,
-	.irq_on			= ata_irq_on,
-
-	.port_start		= ata_port_start,
+	.set_mode		= ixp4xx_set_mode,
 };
 
 static void ixp4xx_setup_port(struct ata_port *ap,
@@ -142,7 +110,7 @@ static void ixp4xx_setup_port(struct ata_port *ap,
 	ioaddr->altstatus_addr	= data->cs1 + 0x06;
 	ioaddr->ctl_addr	= data->cs1 + 0x06;
 
-	ata_std_ports(ioaddr);
+	ata_sff_std_ports(ioaddr);
 
 #ifndef __ARMEB__
 
@@ -218,7 +186,7 @@ static __devinit int ixp4xx_pata_probe(struct platform_device *pdev)
 	dev_printk(KERN_INFO, &pdev->dev, "version " DRV_VERSION "\n");
 
 	/* activate host */
-	return ata_host_activate(host, irq, ata_interrupt, 0, &ixp4xx_sht);
+	return ata_host_activate(host, irq, ata_sff_interrupt, 0, &ixp4xx_sht);
 }
 
 static __devexit int ixp4xx_pata_remove(struct platform_device *dev)
@@ -253,6 +221,7 @@ MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>");
 MODULE_DESCRIPTION("low-level driver for ixp4xx Compact Flash PATA");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(DRV_VERSION);
+MODULE_ALIAS("platform:" DRV_NAME);
 
 module_init(ixp4xx_pata_init);
 module_exit(ixp4xx_pata_exit);