X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fide%2Fpci%2Faec62xx.c;h=73bdf64dbbfcd07ae4f7bec783abba06c5cc5d90;hb=826a1b6502d0d1d67fc41043fc831e90f2ef5835;hp=f286079d233fb7654c8f835c5734b4326701cfb7;hpb=ab5cfd2aa3af40b35d7a948de8e279dc82c5b9f6;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/ide/pci/aec62xx.c b/drivers/ide/pci/aec62xx.c
index f286079d233..73bdf64dbbf 100644
--- a/drivers/ide/pci/aec62xx.c
+++ b/drivers/ide/pci/aec62xx.c
@@ -1,7 +1,8 @@
 /*
- * linux/drivers/ide/pci/aec62xx.c		Version 0.11	March 27, 2002
+ * linux/drivers/ide/pci/aec62xx.c		Version 0.21	Apr 21, 2007
  *
  * Copyright (C) 1999-2002	Andre Hedrick <andre@linux-ide.org>
+ * Copyright (C) 2007		MontaVista Software, Inc. <source@mvista.com>
  *
  */
 
@@ -94,9 +95,9 @@ static u8 aec62xx_ratemask (ide_drive_t *drive)
 	switch(hwif->pci_dev->device) {
 		case PCI_DEVICE_ID_ARTOP_ATP865:
 		case PCI_DEVICE_ID_ARTOP_ATP865R:
-			mode = (hwif->INB(((hwif->channel) ?
-					hwif->mate->dma_status :
-					hwif->dma_status)) & 0x10) ? 4 : 3;
+			mode = (inb(hwif->channel ?
+				    hwif->mate->dma_status :
+				    hwif->dma_status) & 0x10) ? 4 : 3;
 			break;
 		case PCI_DEVICE_ID_ARTOP_ATP860:
 		case PCI_DEVICE_ID_ARTOP_ATP860R:
@@ -193,41 +194,19 @@ static int config_chipset_for_dma (ide_drive_t *drive)
 
 static void aec62xx_tune_drive (ide_drive_t *drive, u8 pio)
 {
-	u8 speed = 0;
-	u8 new_pio = XFER_PIO_0 + ide_get_best_pio_mode(drive, 255, 5, NULL);
-
-	switch(pio) {
-		case 5:		speed = new_pio; break;
-		case 4:		speed = XFER_PIO_4; break;
-		case 3:		speed = XFER_PIO_3; break;
-		case 2:		speed = XFER_PIO_2; break;
-		case 1:		speed = XFER_PIO_1; break;
-		default:	speed = XFER_PIO_0; break;
-	}
-	(void) aec62xx_tune_chipset(drive, speed);
+	pio = ide_get_best_pio_mode(drive, pio, 4, NULL);
+	(void) aec62xx_tune_chipset(drive, pio + XFER_PIO_0);
 }
 
 static int aec62xx_config_drive_xfer_rate (ide_drive_t *drive)
 {
-	ide_hwif_t *hwif	= HWIF(drive);
-	struct hd_driveid *id	= drive->id;
-
-	if ((id->capability & 1) && drive->autodma) {
-
-		if (ide_use_dma(drive)) {
-			if (config_chipset_for_dma(drive))
-				return hwif->ide_dma_on(drive);
-		}
+	if (ide_use_dma(drive) && config_chipset_for_dma(drive))
+		return 0;
 
-		goto fast_ata_pio;
+	if (ide_use_fast_pio(drive))
+		aec62xx_tune_drive(drive, 255);
 
-	} else if ((id->capability & 8) || (id->field_valid & 2)) {
-fast_ata_pio:
-		aec62xx_tune_drive(drive, 5);
-		return hwif->ide_dma_off_quietly(drive);
-	}
-	/* IORDY not supported */
-	return 0;
+	return -1;
 }
 
 static int aec62xx_irq_timeout (ide_drive_t *drive)
@@ -286,10 +265,8 @@ static void __devinit init_hwif_aec62xx(ide_hwif_t *hwif)
 	hwif->tuneproc = &aec62xx_tune_drive;
 	hwif->speedproc = &aec62xx_tune_chipset;
 
-	if (hwif->pci_dev->device == PCI_DEVICE_ID_ARTOP_ATP850UF) {
+	if (hwif->pci_dev->device == PCI_DEVICE_ID_ARTOP_ATP850UF)
 		hwif->serialized = hwif->channel;
-		hwif->no_dsc = 1;
-	}
 
 	if (hwif->mate)
 		hwif->mate->serialized = hwif->serialized;
@@ -302,11 +279,10 @@ static void __devinit init_hwif_aec62xx(ide_hwif_t *hwif)
 
 	hwif->ultra_mask = 0x7f;
 	hwif->mwdma_mask = 0x07;
-	hwif->swdma_mask = 0x07;
 
 	hwif->ide_dma_check	= &aec62xx_config_drive_xfer_rate;
 	hwif->ide_dma_lostirq	= &aec62xx_irq_timeout;
-	hwif->ide_dma_timeout	= &aec62xx_irq_timeout;
+
 	if (!noautodma)
 		hwif->autodma = 1;
 	hwif->drives[0].autodma = hwif->autodma;
@@ -441,7 +417,7 @@ static struct pci_driver driver = {
 	.probe		= aec62xx_init_one,
 };
 
-static int aec62xx_ide_init(void)
+static int __init aec62xx_ide_init(void)
 {
 	return ide_pci_register_driver(&driver);
 }