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path: root/drivers/ide/ide.c
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Diffstat (limited to 'drivers/ide/ide.c')
-rw-r--r--drivers/ide/ide.c86
1 files changed, 4 insertions, 82 deletions
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index d868ca44d033..bced02f9f2c3 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -227,79 +227,6 @@ static int ide_system_bus_speed(void)
return pci_dev_present(pci_default) ? 33 : 50;
}
-static struct resource* hwif_request_region(ide_hwif_t *hwif,
- unsigned long addr, int num)
-{
- struct resource *res = request_region(addr, num, hwif->name);
-
- if (!res)
- printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n",
- hwif->name, addr, addr+num-1);
- return res;
-}
-
-/**
- * ide_hwif_request_regions - request resources for IDE
- * @hwif: interface to use
- *
- * Requests all the needed resources for an interface.
- * Right now core IDE code does this work which is deeply wrong.
- * MMIO leaves it to the controller driver,
- * PIO will migrate this way over time.
- */
-
-int ide_hwif_request_regions(ide_hwif_t *hwif)
-{
- unsigned long addr;
-
- if (hwif->mmio)
- return 0;
-
- addr = hwif->io_ports[IDE_CONTROL_OFFSET];
-
- if (addr && !hwif_request_region(hwif, addr, 1))
- goto control_region_busy;
-
- addr = hwif->io_ports[IDE_DATA_OFFSET];
- BUG_ON((addr | 7) != hwif->io_ports[IDE_STATUS_OFFSET]);
-
- if (!hwif_request_region(hwif, addr, 8))
- goto data_region_busy;
-
- return 0;
-
-data_region_busy:
- addr = hwif->io_ports[IDE_CONTROL_OFFSET];
- if (addr)
- release_region(addr, 1);
-control_region_busy:
- /* If any errors are return, we drop the hwif interface. */
- return -EBUSY;
-}
-
-/**
- * ide_hwif_release_regions - free IDE resources
- *
- * Note that we only release the standard ports,
- * and do not even try to handle any extra ports
- * allocated for weird IDE interface chipsets.
- *
- * Note also that we don't yet handle mmio resources here. More
- * importantly our caller should be doing this so we need to
- * restructure this as a helper function for drivers.
- */
-
-void ide_hwif_release_regions(ide_hwif_t *hwif)
-{
- if (hwif->mmio)
- return;
-
- if (hwif->io_ports[IDE_CONTROL_OFFSET])
- release_region(hwif->io_ports[IDE_CONTROL_OFFSET], 1);
-
- release_region(hwif->io_ports[IDE_DATA_OFFSET], 8);
-}
-
void ide_remove_port_from_hwgroup(ide_hwif_t *hwif)
{
ide_hwgroup_t *hwgroup = hwif->hwgroup;
@@ -436,9 +363,7 @@ void ide_unregister(unsigned int index)
spin_lock_irq(&ide_lock);
if (hwif->dma_base)
- (void)ide_release_dma(hwif);
-
- ide_hwif_release_regions(hwif);
+ ide_release_dma_engine(hwif);
/* restore hwif data to pristine status */
ide_init_port_data(hwif, index);
@@ -454,7 +379,6 @@ void ide_init_port_hw(ide_hwif_t *hwif, hw_regs_t *hw)
{
memcpy(hwif->io_ports, hw->io_ports, sizeof(hwif->io_ports));
hwif->irq = hw->irq;
- hwif->noprobe = 0;
hwif->chipset = hw->chipset;
hwif->gendev.parent = hw->dev;
hwif->ack_intr = hw->ack_intr;
@@ -545,7 +469,7 @@ int set_using_dma(ide_drive_t *drive, int arg)
if (!drive->id || !(drive->id->capability & 1))
goto out;
- if (hwif->dma_host_set == NULL)
+ if (hwif->dma_ops == NULL)
goto out;
err = -EBUSY;
@@ -585,11 +509,12 @@ int set_pio_mode(ide_drive_t *drive, int arg)
{
struct request rq;
ide_hwif_t *hwif = drive->hwif;
+ const struct ide_port_ops *port_ops = hwif->port_ops;
if (arg < 0 || arg > 255)
return -EINVAL;
- if (hwif->set_pio_mode == NULL ||
+ if (port_ops == NULL || port_ops->set_pio_mode == NULL ||
(hwif->host_flags & IDE_HFLAG_NO_SET_MODE))
return -ENOSYS;
@@ -1005,14 +930,12 @@ static int __init ide_setup(char *s)
goto done;
case -3: /* "nowerr" */
drive->bad_wstat = BAD_R_STAT;
- hwif->noprobe = 0;
goto done;
case -4: /* "cdrom" */
drive->present = 1;
drive->media = ide_cdrom;
/* an ATAPI device ignores DRDY */
drive->ready_stat = 0;
- hwif->noprobe = 0;
goto done;
case -5: /* nodma */
drive->nodma = 1;
@@ -1043,7 +966,6 @@ static int __init ide_setup(char *s)
drive->sect = drive->bios_sect = vals[2];
drive->present = 1;
drive->forced_geom = 1;
- hwif->noprobe = 0;
goto done;
default:
goto bad_option;