ns16550: Use correct #define symbol for HAS_IOPORTS

CID 1091471, Regression caused by 7c1de0038895cbc75ebd0caffc5b0f3f03c5ad51

This appears to be a typo which causes check_existence() to unconditionally
return 1 in all cases.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>

diff --git a/xen/drivers/char/ns16550.c b/xen/drivers/char/ns16550.c
index 5892eb7a851329ad722db98484cb0b7a14baa682..9c2cdedcf9a21283243bb88e8c3337c6ccc75741 100644 (file)
--- a/xen/drivers/char/ns16550.c
+++ b/xen/drivers/char/ns16550.c
@@ -503,7 +503,7 @@ static int __init check_existence(struct ns16550 *uart)
 {
     unsigned char status, scratch, scratch2, scratch3;
 
-#ifdef HAS_IO_PORTS
+#ifdef HAS_IOPORTS
     /*
      * We can't poke MMIO UARTs until they get I/O remapped later. Assume that
      * if we're getting MMIO UARTs, the arch code knows what it's doing.