diff options
Diffstat (limited to 'drivers/ide/mips')
| -rw-r--r-- | drivers/ide/mips/Makefile | 1 | ||||
| -rw-r--r-- | drivers/ide/mips/au1xxx-ide.c | 34 | ||||
| -rw-r--r-- | drivers/ide/mips/swarm.c | 196 |
3 files changed, 6 insertions, 225 deletions
diff --git a/drivers/ide/mips/Makefile b/drivers/ide/mips/Makefile index 677c7b2..5873fa0 100644 --- a/drivers/ide/mips/Makefile +++ b/drivers/ide/mips/Makefile @@ -1,4 +1,3 @@ -obj-$(CONFIG_BLK_DEV_IDE_SWARM) += swarm.o obj-$(CONFIG_BLK_DEV_IDE_AU1XXX) += au1xxx-ide.o EXTRA_CFLAGS := -Idrivers/ide diff --git a/drivers/ide/mips/au1xxx-ide.c b/drivers/ide/mips/au1xxx-ide.c index 11b7f61..0ec8fd1 100644 --- a/drivers/ide/mips/au1xxx-ide.c +++ b/drivers/ide/mips/au1xxx-ide.c @@ -322,11 +322,7 @@ static int auide_dma_setup(ide_drive_t *drive) } static int auide_dma_test_irq(ide_drive_t *drive) -{ - if (drive->waiting_for_dma == 0) - printk(KERN_WARNING "%s: ide_dma_test_irq \ - called while not waiting\n", drive->name); - +{ /* If dbdma didn't execute the STOP command yet, the * active bit is still set */ @@ -344,11 +340,6 @@ static void auide_dma_host_set(ide_drive_t *drive, int on) { } -static void auide_dma_lost_irq(ide_drive_t *drive) -{ - printk(KERN_ERR "%s: IRQ lost\n", drive->name); -} - static void auide_ddma_tx_callback(int irq, void *param) { _auide_hwif *ahwif = (_auide_hwif*)param; @@ -375,18 +366,6 @@ static void auide_init_dbdma_dev(dbdev_tab_t *dev, u32 dev_id, u32 tsize, u32 de } #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA -static void auide_dma_timeout(ide_drive_t *drive) -{ - ide_hwif_t *hwif = HWIF(drive); - - printk(KERN_ERR "%s: DMA timeout occurred: ", drive->name); - - if (auide_dma_test_irq(drive)) - return; - - auide_dma_end(drive); -} - static const struct ide_dma_ops au1xxx_dma_ops = { .dma_host_set = auide_dma_host_set, .dma_setup = auide_dma_setup, @@ -394,8 +373,8 @@ static const struct ide_dma_ops au1xxx_dma_ops = { .dma_start = auide_dma_start, .dma_end = auide_dma_end, .dma_test_irq = auide_dma_test_irq, - .dma_lost_irq = auide_dma_lost_irq, - .dma_timeout = auide_dma_timeout, + .dma_lost_irq = ide_dma_lost_irq, + .dma_timeout = ide_dma_timeout, }; static int auide_ddma_init(ide_hwif_t *hwif, const struct ide_port_info *d) @@ -448,10 +427,9 @@ static int auide_ddma_init(ide_hwif_t *hwif, const struct ide_port_info *d) NUM_DESCRIPTORS); auide->rx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->rx_chan, NUM_DESCRIPTORS); - - hwif->dmatable_cpu = dma_alloc_coherent(hwif->dev, - PRD_ENTRIES * PRD_BYTES, /* 1 Page */ - &hwif->dmatable_dma, GFP_KERNEL); + + /* FIXME: check return value */ + (void)ide_allocate_dma_engine(hwif); au1xxx_dbdma_start( auide->tx_chan ); au1xxx_dbdma_start( auide->rx_chan ); diff --git a/drivers/ide/mips/swarm.c b/drivers/ide/mips/swarm.c deleted file mode 100644 index badf79f..0000000 --- a/drivers/ide/mips/swarm.c +++ /dev/null @@ -1,196 +0,0 @@ -/* - * Copyright (C) 2001, 2002, 2003 Broadcom Corporation - * Copyright (C) 2004 MontaVista Software Inc. - * Author: Manish Lachwani, mlachwani@mvista.com - * Copyright (C) 2004 MIPS Technologies, Inc. All rights reserved. - * Author: Maciej W. Rozycki <macro@mips.com> - * Copyright (c) 2006, 2008 Maciej W. Rozycki - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -/* - * Derived loosely from ide-pmac.c, so: - * Copyright (C) 1998 Paul Mackerras. - * Copyright (C) 1995-1998 Mark Lord - */ - -/* - * Boards with SiByte processors so far have supported IDE devices via - * the Generic Bus, PCI bus, and built-in PCMCIA interface. In all - * cases, byte-swapping must be avoided for these devices (whereas - * other PCI devices, for example, will require swapping). Any - * SiByte-targetted kernel including IDE support will include this - * file. Probing of a Generic Bus for an IDE device is controlled by - * the definition of "SIBYTE_HAVE_IDE", which is provided by - * <asm/sibyte/board.h> for Broadcom boards. - */ - -#include <linux/ide.h> -#include <linux/ioport.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/platform_device.h> - -#include <asm/io.h> - -#include <asm/sibyte/board.h> -#include <asm/sibyte/sb1250_genbus.h> -#include <asm/sibyte/sb1250_regs.h> - -#define DRV_NAME "ide-swarm" - -static char swarm_ide_string[] = DRV_NAME; - -static struct resource swarm_ide_resource = { - .name = "SWARM GenBus IDE", - .flags = IORESOURCE_MEM, -}; - -static struct platform_device *swarm_ide_dev; - -static const struct ide_port_info swarm_port_info = { - .name = DRV_NAME, - .host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA, -}; - -/* - * swarm_ide_probe - if the board header indicates the existence of - * Generic Bus IDE, allocate a HWIF for it. - */ -static int __devinit swarm_ide_probe(struct device *dev) -{ - u8 __iomem *base; - struct ide_host *host; - phys_t offset, size; - int i, rc; - hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; - - if (!SIBYTE_HAVE_IDE) - return -ENODEV; - - base = ioremap(A_IO_EXT_BASE, 0x800); - offset = __raw_readq(base + R_IO_EXT_REG(R_IO_EXT_START_ADDR, IDE_CS)); - size = __raw_readq(base + R_IO_EXT_REG(R_IO_EXT_MULT_SIZE, IDE_CS)); - iounmap(base); - - offset = G_IO_START_ADDR(offset) << S_IO_ADDRBASE; - size = (G_IO_MULT_SIZE(size) + 1) << S_IO_REGSIZE; - if (offset < A_PHYS_GENBUS || offset >= A_PHYS_GENBUS_END) { - printk(KERN_INFO DRV_NAME - ": IDE interface at GenBus disabled\n"); - return -EBUSY; - } - - printk(KERN_INFO DRV_NAME ": IDE interface at GenBus slot %i\n", - IDE_CS); - - swarm_ide_resource.start = offset; - swarm_ide_resource.end = offset + size - 1; - if (request_resource(&iomem_resource, &swarm_ide_resource)) { - printk(KERN_ERR DRV_NAME - ": can't request I/O memory resource\n"); - return -EBUSY; - } - - base = ioremap(offset, size); - - for (i = 0; i <= 7; i++) - hw.io_ports_array[i] = - (unsigned long)(base + ((0x1f0 + i) << 5)); - hw.io_ports.ctl_addr = - (unsigned long)(base + (0x3f6 << 5)); - hw.irq = K_INT_GB_IDE; - hw.chipset = ide_generic; - - rc = ide_host_add(&swarm_port_info, hws, &host); - if (rc) - goto err; - - dev_set_drvdata(dev, host); - - return 0; -err: - release_resource(&swarm_ide_resource); - iounmap(base); - return rc; -} - -static struct device_driver swarm_ide_driver = { - .name = swarm_ide_string, - .bus = &platform_bus_type, - .probe = swarm_ide_probe, -}; - -static void swarm_ide_platform_release(struct device *device) -{ - struct platform_device *pldev; - - /* free device */ - pldev = to_platform_device(device); - kfree(pldev); -} - -static int __devinit swarm_ide_init_module(void) -{ - struct platform_device *pldev; - int err; - - printk(KERN_INFO "SWARM IDE driver\n"); - - if (driver_register(&swarm_ide_driver)) { - printk(KERN_ERR "Driver registration failed\n"); - err = -ENODEV; - goto out; - } - - if (!(pldev = kzalloc(sizeof (*pldev), GFP_KERNEL))) { - err = -ENOMEM; - goto out_unregister_driver; - } - - pldev->name = swarm_ide_string; - pldev->id = 0; - pldev->dev.release = swarm_ide_platform_release; - - if (platform_device_register(pldev)) { - err = -ENODEV; - goto out_free_pldev; - } - - if (!pldev->dev.driver) { - /* - * The driver was not bound to this device, there was - * no hardware at this address. Unregister it, as the - * release fuction will take care of freeing the - * allocated structure - */ - platform_device_unregister (pldev); - } - - swarm_ide_dev = pldev; - - return 0; - -out_free_pldev: - kfree(pldev); - -out_unregister_driver: - driver_unregister(&swarm_ide_driver); -out: - return err; -} - -module_init(swarm_ide_init_module); |
