X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fide%2Fpci%2Fslc90e66.c;h=90e79c0844d29ae9ea4002a27bc5015b377b1455;hb=refs%2Fheads%2Fvserver;hp=5112c726633bafde6685d326b29a0f38c870b97b;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/drivers/ide/pci/slc90e66.c b/drivers/ide/pci/slc90e66.c index 5112c7266..90e79c084 100644 --- 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 + * Copyright (C) 2006 MontaVista Software, Inc. * - * 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 #include #include #include @@ -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, ®4a); 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); }