diff options
Diffstat (limited to 'drivers/ide/arm/ide_arm.c')
| -rw-r--r-- | drivers/ide/arm/ide_arm.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/ide/arm/ide_arm.c b/drivers/ide/arm/ide_arm.c index be9ff7334c5..4263ffd4ab2 100644 --- a/drivers/ide/arm/ide_arm.c +++ b/drivers/ide/arm/ide_arm.c @@ -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> # @@ -28,13 +30,27 @@ 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(hw.io_ports[IDE_DATA_OFFSET]); + hwif = ide_find_port(); if (hwif) { ide_init_port_hw(hwif, &hw); idx[0] = hwif->index; |