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ide: remove ide_hwif_request_regions()

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Remove no longer used ide_hwif_request_regions() and hwif_request_region().

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2008-04-26 22:25:19 +02:00
parent 0d1bad216c
commit 5add222417
2 changed files with 0 additions and 51 deletions
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50
drivers/ide/ide.c
View file

@ -227,56 +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;
}
void ide_remove_port_from_hwgroup(ide_hwif_t *hwif)
{
ide_hwgroup_t *hwgroup = hwif->hwgroup;

1
include/linux/ide.h
View file

@ -1202,7 +1202,6 @@ static inline void ide_acpi_set_state(ide_hwif_t *hwif, int on) {}
#endif
void ide_remove_port_from_hwgroup(ide_hwif_t *);
extern int ide_hwif_request_regions(ide_hwif_t *hwif);
void ide_unregister(unsigned int);
void ide_register_region(struct gendisk *);