diff -urN linux-2.6.22.orig/include/linux/serialP.h linux-2.6.22/include/linux/serialP.h
--- linux-2.6.22.orig/include/linux/serialP.h 2007-07-09 01:32:17.000000000 +0200
+++ linux-2.6.22/include/linux/serialP.h 2007-07-11 03:08:57.000000000 +0200
-@@ -135,6 +135,9 @@
+@@ -135,6 +135,10 @@
* the interrupt line _up_ instead of down, so if we register the IRQ
* while the UART is in that state, we die in an IRQ storm. */
#define ALPHA_KLUDGE_MCR (UART_MCR_OUT2)
+#elif defined(CONFIG_AR7)
+/* This is how it is set up by bootloader... */
-+#define ALPHA_KLUDGE_MCR (UART_MCR_OUT2 | UART_MCR_OUT1 | UART_MCR_RTS | UART_MCR_DTR)
++#define ALPHA_KLUDGE_MCR (UART_MCR_OUT2 | UART_MCR_OUT1 \
++ | UART_MCR_RTS | UART_MCR_DTR)
#else
#define ALPHA_KLUDGE_MCR 0
#endif