diff options
Diffstat (limited to 'drivers/ide/ide.c')
-rw-r--r-- | drivers/ide/ide.c | 77 |
1 files changed, 47 insertions, 30 deletions
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 5b090662683..674a65c1a13 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -134,8 +134,6 @@ static void init_hwif_data(ide_hwif_t *hwif, unsigned int index) hwif->bus_state = BUSSTATE_ON; - hwif->atapi_dma = 0; /* disable all atapi dma */ - init_completion(&hwif->gendev_rel_comp); default_hwif_iops(hwif); @@ -170,7 +168,6 @@ static void init_hwif_default(ide_hwif_t *hwif, unsigned int index) ide_init_hwif_ports(&hw, ide_default_io_base(index), 0, &hwif->irq); - memcpy(&hwif->hw, &hw, sizeof(hw)); memcpy(hwif->io_ports, hw.io_ports, sizeof(hw.io_ports)); hwif->noprobe = !hwif->io_ports[IDE_DATA_OFFSET]; @@ -216,7 +213,7 @@ static void __init init_ide_data (void) init_hwif_data(hwif, index); init_hwif_default(hwif, index); #if !defined(CONFIG_PPC32) || !defined(CONFIG_PCI) - hwif->irq = hwif->hw.irq = + hwif->irq = ide_init_default_irq(hwif->io_ports[IDE_DATA_OFFSET]); #endif } @@ -267,6 +264,30 @@ static int ide_system_bus_speed(void) return system_bus_speed; } +ide_hwif_t * ide_find_port(unsigned long base) +{ + ide_hwif_t *hwif; + int i; + + for (i = 0; i < MAX_HWIFS; i++) { + hwif = &ide_hwifs[i]; + if (hwif->io_ports[IDE_DATA_OFFSET] == base) + goto found; + } + + for (i = 0; i < MAX_HWIFS; i++) { + hwif = &ide_hwifs[i]; + if (hwif->io_ports[IDE_DATA_OFFSET] == 0) + goto found; + } + + hwif = NULL; +found: + return hwif; +} + +EXPORT_SYMBOL_GPL(ide_find_port); + static struct resource* hwif_request_region(ide_hwif_t *hwif, unsigned long addr, int num) { @@ -379,7 +400,6 @@ static void ide_hwif_restore(ide_hwif_t *hwif, ide_hwif_t *tmp_hwif) hwif->pio_mask = tmp_hwif->pio_mask; - hwif->atapi_dma = tmp_hwif->atapi_dma; hwif->ultra_mask = tmp_hwif->ultra_mask; hwif->mwdma_mask = tmp_hwif->mwdma_mask; hwif->swdma_mask = tmp_hwif->swdma_mask; @@ -394,6 +414,8 @@ static void ide_hwif_restore(ide_hwif_t *hwif, ide_hwif_t *tmp_hwif) hwif->cds = tmp_hwif->cds; #endif + hwif->fixup = tmp_hwif->fixup; + hwif->set_pio_mode = tmp_hwif->set_pio_mode; hwif->set_dma_mode = tmp_hwif->set_dma_mode; hwif->mdma_filter = tmp_hwif->mdma_filter; @@ -440,7 +462,6 @@ static void ide_hwif_restore(ide_hwif_t *hwif, ide_hwif_t *tmp_hwif) hwif->mmio = tmp_hwif->mmio; hwif->rqsize = tmp_hwif->rqsize; - hwif->no_lba48 = tmp_hwif->no_lba48; #ifndef CONFIG_BLK_DEV_IDECS hwif->irq = tmp_hwif->irq; @@ -656,7 +677,6 @@ void ide_setup_ports ( hw_regs_t *hw, } } hw->irq = irq; - hw->dma = NO_DMA; hw->ack_intr = ack_intr; /* * hw->iops = iops; @@ -664,11 +684,11 @@ void ide_setup_ports ( hw_regs_t *hw, } /** - * ide_register_hw_with_fixup - register IDE interface + * ide_register_hw - register IDE interface * @hw: hardware registers + * @fixup: fixup function * @initializing: set while initializing built-in drivers * @hwifp: pointer to returned hwif - * @fixup: fixup function * * Register an IDE interface, specifying exactly the registers etc. * Set init=1 iff calling before probes have taken place. @@ -676,9 +696,8 @@ void ide_setup_ports ( hw_regs_t *hw, * Returns -1 on error. */ -int ide_register_hw_with_fixup(hw_regs_t *hw, int initializing, - ide_hwif_t **hwifp, - void(*fixup)(ide_hwif_t *hwif)) +int ide_register_hw(hw_regs_t *hw, void (*fixup)(ide_hwif_t *), + int initializing, ide_hwif_t **hwifp) { int index, retry = 1; ide_hwif_t *hwif; @@ -686,7 +705,7 @@ int ide_register_hw_with_fixup(hw_regs_t *hw, int initializing, do { for (index = 0; index < MAX_HWIFS; ++index) { hwif = &ide_hwifs[index]; - if (hwif->hw.io_ports[IDE_DATA_OFFSET] == hw->io_ports[IDE_DATA_OFFSET]) + if (hwif->io_ports[IDE_DATA_OFFSET] == hw->io_ports[IDE_DATA_OFFSET]) goto found; } for (index = 0; index < MAX_HWIFS; ++index) { @@ -694,7 +713,7 @@ int ide_register_hw_with_fixup(hw_regs_t *hw, int initializing, if (hwif->hold) continue; if ((!hwif->present && !hwif->mate && !initializing) || - (!hwif->hw.io_ports[IDE_DATA_OFFSET] && initializing)) + (!hwif->io_ports[IDE_DATA_OFFSET] && initializing)) goto found; } for (index = 0; index < MAX_HWIFS; index++) @@ -710,16 +729,18 @@ found: } if (hwif->present) return -1; - memcpy(&hwif->hw, hw, sizeof(*hw)); - memcpy(hwif->io_ports, hwif->hw.io_ports, sizeof(hwif->hw.io_ports)); + memcpy(hwif->io_ports, hw->io_ports, sizeof(hwif->io_ports)); hwif->irq = hw->irq; hwif->noprobe = 0; + hwif->fixup = fixup; hwif->chipset = hw->chipset; hwif->gendev.parent = hw->dev; + hwif->ack_intr = hw->ack_intr; + + if (initializing == 0) { + u8 idx[4] = { index, 0xff, 0xff, 0xff }; - if (!initializing) { - probe_hwif_init_with_fixup(hwif, fixup); - ide_proc_register_port(hwif); + ide_device_add(idx); } if (hwifp) @@ -728,13 +749,6 @@ found: return (initializing || hwif->present) ? index : -1; } -EXPORT_SYMBOL(ide_register_hw_with_fixup); - -int ide_register_hw(hw_regs_t *hw, int initializing, ide_hwif_t **hwifp) -{ - return ide_register_hw_with_fixup(hw, initializing, hwifp, NULL); -} - EXPORT_SYMBOL(ide_register_hw); /* @@ -1050,7 +1064,7 @@ int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device ide_init_hwif_ports(&hw, (unsigned long) args[0], (unsigned long) args[1], NULL); hw.irq = args[2]; - if (ide_register_hw(&hw, 0, NULL) == -1) + if (ide_register_hw(&hw, NULL, 0, NULL) == -1) return -EIO; return 0; } @@ -1401,6 +1415,9 @@ static int __init ide_setup(char *s) "reset", "minus6", "ata66", "minus8", "minus9", "minus10", "four", "qd65xx", "ht6560b", "cmd640_vlb", "dtc2278", "umc8672", "ali14xx", NULL }; + + hw_regs_t hwregs; + hw = s[3] - '0'; hwif = &ide_hwifs[hw]; i = match_parm(&s[4], ide_words, vals, 3); @@ -1510,9 +1527,9 @@ static int __init ide_setup(char *s) case 2: /* base,ctl */ vals[2] = 0; /* default irq = probe for it */ case 3: /* base,ctl,irq */ - hwif->hw.irq = vals[2]; - ide_init_hwif_ports(&hwif->hw, (unsigned long) vals[0], (unsigned long) vals[1], &hwif->irq); - memcpy(hwif->io_ports, hwif->hw.io_ports, sizeof(hwif->io_ports)); + memset(&hwregs, 0, sizeof(hwregs)); + ide_init_hwif_ports(&hwregs, vals[0], vals[1], &hwif->irq); + memcpy(hwif->io_ports, hwregs.io_ports, sizeof(hwif->io_ports)); hwif->irq = vals[2]; hwif->noprobe = 0; hwif->chipset = ide_forced; |