Lines Matching refs:IO

200 # IO delay types:
220 	prompt "IO delay type"
224 	bool "port 0x80 based port-IO delay [recommended]"
226 	  This is the traditional Linux IO delay used for in/out_p.
230 	bool "port 0xed based port-IO delay"
232 	  Use port 0xed as the IO delay. This frees up port 0x80 which is
236 	bool "udelay based port-IO delay"
238 	  Use udelay(2) as the IO delay method. This provides the delay
239 	  while not having any side-effect on the IO port space.
242 	bool "no port-IO delay"
244 	  No port-IO delay. Will break on old boxes that require port-IO