Lines Matching defs:io
46 #include <linux/io.h>
54 #define PMIR (io) /* Power Management Index Register */
55 #define PMDR (io+1) /* Power Management Data Register */
76 static int io = -1;
80 static DEFINE_SPINLOCK(sc1200wdt_lock); /* io port access serialisation */
91 module_param(io, int, 0);
92 MODULE_PARM_DESC(io, "io port");
333 * but we don't have access to those io regions.
360 io = pnp_port_start(wdt_dev, 0);
363 if (!request_region(io, io_len, SC1200_MODULE_NAME)) {
364 printk(KERN_ERR PFX "Unable to register IO port %#x\n", io);
368 printk(KERN_INFO "scl200wdt: PnP device found at io port %#x/%d\n",
369 io, io_len);
376 release_region(io, io_len);
405 if (io == -1) {
406 printk(KERN_ERR PFX "io parameter must be specified\n");
418 if (!request_region(io, io_len, SC1200_MODULE_NAME)) {
419 printk(KERN_ERR PFX "Unable to register IO port %#x\n", io);
452 release_region(io, io_len);
473 release_region(io, io_len);