clean up messages in acpiio

Reference: /n/atom/patch/applied2013/acpiioclean
Date: Tue Oct  8 19:18:21 CES 2013
Signed-off-by: quanstro@quanstro.net

--- /sys/src/nix/k10/acpiio.c	Tue Oct  8 19:18:10 2013
+++ /sys/src/nix/k10/acpiio.c	Tue Oct  8 19:18:10 2013
@@ -135,17 +135,17 @@
 		return -1;
 	case 4:
 		putle(a, inl(port), 4);
-print("aml: readioport: port %ux len %d %llux\n", port, len, getle(a, len));
-		return 4;
+		break;
 	case 2:
 		putle(a, ins(port), 2);
-print("aml: readioport: port %ux len %d %llux\n", port, len, getle(a, len));
-		return 2;
+		break;
 	case 1:
 		putle(a, inb(port), 1);
-print("aml: readioport: port %ux len %d %llux\n", port, len, getle(a, len));
-		return 1;
+		break;
 	}
+if(port != Post)
+print("aml: readioport: port %ux len %d %llux\n", port, len, getle(a, len));
+	return len;
 }
 
 static int
@@ -155,6 +155,7 @@
 
 	a = data;
 	port += io->off;
+if(port != Post)
 print("aml: writeioport: port %ux len %d %llux\n", port, len, getle(a, len));
 	switch(len){
 	default: