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path: root/drivers/ide/arm/ide_arm.c
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Diffstat (limited to 'drivers/ide/arm/ide_arm.c')
-rw-r--r--drivers/ide/arm/ide_arm.c22
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/ide/arm/ide_arm.c b/drivers/ide/arm/ide_arm.c
index 43a70e91363e..4263ffd4ab20 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;
@@ -46,3 +62,5 @@ static int __init ide_arm_init(void)
}
module_init(ide_arm_init);
+
+MODULE_LICENSE("GPL");