Lines Matching refs:io
31 #include <linux/io.h>
44 #define WDT_INDEX_IO_PORT (io+0) /* I/O port base (index register) */
54 static int io = IO_DEFAULT;
62 static DEFINE_SPINLOCK(io_lock); /* to guard us from io races */
505 pr_info("Version " VERSION " at io 0x%X\n",
508 if (!request_muxed_region(io, 2, MODNAME))
535 release_region(io, 2);
542 release_region(io, 2);
579 module_param_hw(io, int, ioport, 0);
580 MODULE_PARM_DESC(io, MODNAME " I/O port (default: "