fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / drivers / ide / pci / slc90e66.c

diff --git a/drivers/ide/pci/slc90e66.c b/drivers/ide/pci/slc90e66.c
index 5112c72..90e79c0 100644 (file)
--- a/drivers/ide/pci/slc90e66.c
+++ b/drivers/ide/pci/slc90e66.c
@@ -1,14 +1,14 @@
 /*
- *  linux/drivers/ide/pci/slc90e66.c   Version 0.11    September 11, 2002
+ *  linux/drivers/ide/pci/slc90e66.c   Version 0.12    May 12, 2006
  *
  *  Copyright (C) 2000-2002 Andre Hedrick <andre@linux-ide.org>
+ *  Copyright (C) 2006 MontaVista Software, Inc. <source@mvista.com>
  *
- * This a look-a-like variation of the ICH0 PIIX4 Ultra-66,
+ * This is a look-alike variation of the ICH0 PIIX4 Ultra-66,
  * but this keeps the ISA-Bridge and slots alive.
  *
  */
 
-#include <linux/config.h>
 #include <linux/types.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
@@ -72,7 +72,8 @@ static void slc90e66_tune_drive (ide_drive_t *drive, u8 pio)
        u16 master_data;
        u8 slave_data;
                                 /* ISP  RTC */
-       u8 timings[][2] = { { 0, 0 },
+       static const u8 timings[][2]= {
+                                   { 0, 0 },
                                    { 0, 0 },
                                    { 1, 0 },
                                    { 2, 1 },
@@ -119,7 +120,6 @@ static int slc90e66_tune_chipset (ide_drive_t *drive, u8 xferspeed)
        pci_read_config_word(dev, 0x4a, &reg4a);
 
        switch(speed) {
-#ifdef CONFIG_BLK_DEV_IDEDMA
                case XFER_UDMA_4:       u_speed = 4 << (drive->dn * 4); break;
                case XFER_UDMA_3:       u_speed = 3 << (drive->dn * 4); break;
                case XFER_UDMA_2:       u_speed = 2 << (drive->dn * 4); break;
@@ -128,7 +128,6 @@ static int slc90e66_tune_chipset (ide_drive_t *drive, u8 xferspeed)
                case XFER_MW_DMA_2:
                case XFER_MW_DMA_1:
                case XFER_SW_DMA_2:     break;
-#endif /* CONFIG_BLK_DEV_IDEDMA */
                case XFER_PIO_4:
                case XFER_PIO_3:
                case XFER_PIO_2:
@@ -156,15 +155,12 @@ static int slc90e66_tune_chipset (ide_drive_t *drive, u8 xferspeed)
        return (ide_config_drive_speed(drive, speed));
 }
 
-#ifdef CONFIG_BLK_DEV_IDEDMA
 static int slc90e66_config_drive_for_dma (ide_drive_t *drive)
 {
        u8 speed = ide_dma_speed(drive, slc90e66_ratemask(drive));
 
-       if (!(speed)) {
-               u8 tspeed = ide_get_best_pio_mode(drive, 255, 5, NULL);
-               speed = slc90e66_dma_2_pio(XFER_PIO_0 + tspeed);
-       }
+       if (!speed)
+               return 0;
 
        (void) slc90e66_tune_chipset(drive, speed);
        return ide_dma_enable(drive);
@@ -179,22 +175,20 @@ static int slc90e66_config_drive_xfer_rate (ide_drive_t *drive)
 
        if (id && (id->capability & 1) && drive->autodma) {
 
-               if (ide_use_dma(drive)) {
-                       if (slc90e66_config_drive_for_dma(drive))
-                               return hwif->ide_dma_on(drive);
-               }
+               if (ide_use_dma(drive) && slc90e66_config_drive_for_dma(drive))
+                       return hwif->ide_dma_on(drive);
 
                goto fast_ata_pio;
 
        } else if ((id->capability & 8) || (id->field_valid & 2)) {
 fast_ata_pio:
-               hwif->tuneproc(drive, 5);
+               (void) hwif->speedproc(drive, XFER_PIO_0 +
+                                      ide_get_best_pio_mode(drive, 255, 4, NULL));
                return hwif->ide_dma_off_quietly(drive);
        }
        /* IORDY not supported */
        return 0;
 }
-#endif /* CONFIG_BLK_DEV_IDEDMA */
 
 static void __devinit init_hwif_slc90e66 (ide_hwif_t *hwif)
 {
@@ -222,7 +216,6 @@ static void __devinit init_hwif_slc90e66 (ide_hwif_t *hwif)
        hwif->mwdma_mask = 0x07;
        hwif->swdma_mask = 0x07;
 
-#ifdef CONFIG_BLK_DEV_IDEDMA 
        if (!(hwif->udma_four))
                /* bit[0(1)]: 0:80, 1:40 */
                hwif->udma_four = (reg47 & mask) ? 0 : 1;
@@ -232,7 +225,6 @@ static void __devinit init_hwif_slc90e66 (ide_hwif_t *hwif)
                hwif->autodma = 1;
        hwif->drives[0].autodma = hwif->autodma;
        hwif->drives[1].autodma = hwif->autodma;
-#endif /* !CONFIG_BLK_DEV_IDEDMA */
 }
 
 static ide_pci_device_t slc90e66_chipset __devinitdata = {
@@ -250,7 +242,7 @@ static int __devinit slc90e66_init_one(struct pci_dev *dev, const struct pci_dev
 }
 
 static struct pci_device_id slc90e66_pci_tbl[] = {
-       { PCI_VENDOR_ID_EFAR, PCI_DEVICE_ID_EFAR_SLC90E66_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       { PCI_DEVICE(PCI_VENDOR_ID_EFAR, PCI_DEVICE_ID_EFAR_SLC90E66_1), 0},
        { 0, },
 };
 MODULE_DEVICE_TABLE(pci, slc90e66_pci_tbl);
@@ -261,7 +253,7 @@ static struct pci_driver driver = {
        .probe          = slc90e66_init_one,
 };
 
-static int slc90e66_ide_init(void)
+static int __init slc90e66_ide_init(void)
 {
        return ide_pci_register_driver(&driver);
 }