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ide_arm: manage I/O resources in driver 

* Tell IDE layer to not manage resources by setting hwif->mmio flag.

* Use {request,release}_region() for resources management.

* Use driver name for resources management.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2008-04-26 22:25:18 +02:00
parent 2c4be251be
commit 2305d94321
1 changed files with 18 additions and 1 deletions
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19
drivers/ide/arm/ide_arm.c
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@ -14,6 +14,8 @@
#include <asm/mach-types.h>
#include <asm/irq.h>
#define DRV_NAME "ide_arm"
#ifdef CONFIG_ARCH_CLPS7500
# include <asm/arch/hardware.h>
#
@ -28,15 +30,30 @@ static int __init ide_arm_init(void)
{
ide_hwif_t *hwif;
hw_regs_t hw;
unsigned long base = IDE_ARM_IO, ctl = IDE_ARM_IO + 0x206;
u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
if (!request_region(base, 8, DRV_NAME)) {
printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n",
DRV_NAME, base, base + 7);
return -EBUSY;
}
if (!request_region(ctl, 1, DRV_NAME)) {
printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n",
DRV_NAME, ctl);
release_region(base, 8);
return -EBUSY;
}
memset(&hw, 0, sizeof(hw));
ide_std_init_ports(&hw, IDE_ARM_IO, IDE_ARM_IO + 0x206);
ide_std_init_ports(&hw, base, ctl);
hw.irq = IDE_ARM_IRQ;
hwif = ide_find_port();
if (hwif) {
ide_init_port_hw(hwif, &hw);
hwif->mmio = 1;
idx[0] = hwif->index;
ide_device_add(idx, NULL);