-Index: linux-2.6.23-rc6/include/linux/serialP.h
-===================================================================
---- linux-2.6.23-rc6.orig/include/linux/serialP.h 2007-09-21 16:23:51.000000000 +0800
-+++ linux-2.6.23-rc6/include/linux/serialP.h 2007-09-21 16:24:14.000000000 +0800
-@@ -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)
- #else
- #define ALPHA_KLUDGE_MCR 0
- #endif