diff options
Diffstat (limited to 'arch/xtensa/include/asm/serial.h')
| -rw-r--r-- | arch/xtensa/include/asm/serial.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/xtensa/include/asm/serial.h b/arch/xtensa/include/asm/serial.h index a8a2493260f6..c55a0e2b47ca 100644 --- a/arch/xtensa/include/asm/serial.h +++ b/arch/xtensa/include/asm/serial.h @@ -1,5 +1,5 @@ /* - * include/asm-xtensa/serial.h + * arch/xtensa/include/asm/serial.h * * Configuration details for 8250, 16450, 16550, etc. serial ports * @@ -7,12 +7,20 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 2001 - 2005 Tensilica Inc. + * Copyright (C) 2001-2010 Tensilica Inc. */ #ifndef _XTENSA_SERIAL_H #define _XTENSA_SERIAL_H +#include <asm/irq.h> #include <platform/serial.h> +/* The 8250 driver treats IRQ 0 as absent. For the Xtensa architecture, + interrupt 0 is valid, must compare against NO_IRQ instead. */ +#ifdef is_real_interrupt +#undef is_real_interrupt +#define is_real_interrupt(irq) ((irq) != NO_IRQ) +#endif + #endif /* _XTENSA_SERIAL_H */ |