X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fata%2Fsata_via.c;h=30caa033719039c73350fee395c30fd6f374bc24;hb=0b61a2ba5dfd1620731e717d686e6ade657fd975;hp=f0757023ce9d0fe6f7635dbcd8a24f12f2c8911e;hpb=cbcdd87593a1d85c5c4b259945a3a09eee12814d;p=linux-2.6

diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c
index f0757023ce..30caa03371 100644
--- a/drivers/ata/sata_via.c
+++ b/drivers/ata/sata_via.c
@@ -3,7 +3,7 @@
  *
  *  Maintained by:  Jeff Garzik <jgarzik@pobox.com>
  * 		   Please ALWAYS copy linux-ide@vger.kernel.org
- 		   on emails.
+ *		   on emails.
  *
  *  Copyright 2003-2004 Red Hat, Inc.  All rights reserved.
  *  Copyright 2003-2004 Jeff Garzik
@@ -30,8 +30,6 @@
  *  Hardware documentation available under NDA.
  *
  *
- *  To-do list:
- *  - VT6421 PATA support
  *
  */
 
@@ -57,7 +55,6 @@ enum {
 	SATA_CHAN_ENAB		= 0x40, /* SATA channel enable */
 	SATA_INT_GATE		= 0x41, /* SATA interrupt gating */
 	SATA_NATIVE_MODE	= 0x42, /* Native mode enable */
-	SATA_PATA_SHARING	= 0x49, /* PATA/SATA sharing func ctrl */
 	PATA_UDMA_TIMING	= 0xB3, /* PATA timing for DMA/ cable detect */
 	PATA_PIO_TIMING		= 0xAB, /* PATA timing register */
 
@@ -68,10 +65,9 @@ enum {
 	NATIVE_MODE_ALL		= (1 << 7) | (1 << 6) | (1 << 5) | (1 << 4),
 
 	SATA_EXT_PHY		= (1 << 6), /* 0==use PATA, 1==ext phy */
-	SATA_2DEV		= (1 << 5), /* SATA is master/slave */
 };
 
-static int svia_init_one (struct pci_dev *pdev, const struct pci_device_id *ent);
+static int svia_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
 static int svia_scr_read(struct ata_port *ap, unsigned int sc_reg, u32 *val);
 static int svia_scr_write(struct ata_port *ap, unsigned int sc_reg, u32 val);
 static void svia_noop_freeze(struct ata_port *ap);
@@ -374,12 +370,12 @@ static const unsigned int vt6421_bar_sizes[] = {
 	16, 16, 16, 16, 32, 128
 };
 
-static void __iomem * svia_scr_addr(void __iomem *addr, unsigned int port)
+static void __iomem *svia_scr_addr(void __iomem *addr, unsigned int port)
 {
 	return addr + (port * 128);
 }
 
-static void __iomem * vt6421_scr_addr(void __iomem *addr, unsigned int port)
+static void __iomem *vt6421_scr_addr(void __iomem *addr, unsigned int port)
 {
 	return addr + (port * 64);
 }
@@ -474,7 +470,7 @@ static void svia_configure(struct pci_dev *pdev)
 	if ((tmp8 & ALL_PORTS) != ALL_PORTS) {
 		dev_printk(KERN_DEBUG, &pdev->dev,
 			   "enabling SATA channels (0x%x)\n",
-		           (int) tmp8);
+			   (int) tmp8);
 		tmp8 |= ALL_PORTS;
 		pci_write_config_byte(pdev, SATA_CHAN_ENAB, tmp8);
 	}
@@ -484,7 +480,7 @@ static void svia_configure(struct pci_dev *pdev)
 	if ((tmp8 & ALL_PORTS) != ALL_PORTS) {
 		dev_printk(KERN_DEBUG, &pdev->dev,
 			   "enabling SATA channel interrupts (0x%x)\n",
-		           (int) tmp8);
+			   (int) tmp8);
 		tmp8 |= ALL_PORTS;
 		pci_write_config_byte(pdev, SATA_INT_GATE, tmp8);
 	}
@@ -494,21 +490,20 @@ static void svia_configure(struct pci_dev *pdev)
 	if ((tmp8 & NATIVE_MODE_ALL) != NATIVE_MODE_ALL) {
 		dev_printk(KERN_DEBUG, &pdev->dev,
 			   "enabling SATA channel native mode (0x%x)\n",
-		           (int) tmp8);
+			   (int) tmp8);
 		tmp8 |= NATIVE_MODE_ALL;
 		pci_write_config_byte(pdev, SATA_NATIVE_MODE, tmp8);
 	}
 }
 
-static int svia_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
+static int svia_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
 	static int printed_version;
 	unsigned int i;
 	int rc;
 	struct ata_host *host;
 	int board_id = (int) ent->driver_data;
-	const int *bar_sizes;
-	u8 tmp8;
+	const unsigned *bar_sizes;
 
 	if (!printed_version++)
 		dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
@@ -517,19 +512,10 @@ static int svia_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 	if (rc)
 		return rc;
 
-	if (board_id == vt6420) {
-		pci_read_config_byte(pdev, SATA_PATA_SHARING, &tmp8);
-		if (tmp8 & SATA_2DEV) {
-			dev_printk(KERN_ERR, &pdev->dev,
-				   "SATA master/slave not supported (0x%x)\n",
-		       		   (int) tmp8);
-			return -EIO;
-		}
-
+	if (board_id == vt6420)
 		bar_sizes = &svia_bar_sizes[0];
-	} else {
+	else
 		bar_sizes = &vt6421_bar_sizes[0];
-	}
 
 	for (i = 0; i < ARRAY_SIZE(svia_bar_sizes); i++)
 		if ((pci_resource_start(pdev, i) == 0) ||
@@ -537,8 +523,8 @@ static int svia_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 			dev_printk(KERN_ERR, &pdev->dev,
 				"invalid PCI BAR %u (sz 0x%llx, val 0x%llx)\n",
 				i,
-			        (unsigned long long)pci_resource_start(pdev, i),
-			        (unsigned long long)pci_resource_len(pdev, i));
+				(unsigned long long)pci_resource_start(pdev, i),
+				(unsigned long long)pci_resource_len(pdev, i));
 			return -ENODEV;
 		}