diff options
Diffstat (limited to 'drivers/ide/legacy/ide-4drives.c')
| -rw-r--r-- | drivers/ide/legacy/ide-4drives.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/ide/legacy/ide-4drives.c b/drivers/ide/legacy/ide-4drives.c index c352f12348a..17f94d0cb53 100644 --- a/drivers/ide/legacy/ide-4drives.c +++ b/drivers/ide/legacy/ide-4drives.c @@ -4,6 +4,8 @@ #include <linux/module.h> #include <linux/ide.h> +#define DRV_NAME "ide-4drives" + int probe_4drives; module_param_named(probe, probe_4drives, bool, 0); @@ -12,15 +14,29 @@ MODULE_PARM_DESC(probe, "probe for generic IDE chipset with 4 drives/port"); static int __init ide_4drives_init(void) { ide_hwif_t *hwif, *mate; + unsigned long base = 0x1f0, ctl = 0x3f6; u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; hw_regs_t hw; if (probe_4drives == 0) return -ENODEV; + 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, 0x1f0, 0x3f6); + ide_std_init_ports(&hw, base, ctl); hw.irq = 14; hw.chipset = ide_4drives; |