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/*
* arch/xtensa/include/asm/serial.h
*
* Configuration details for 8250, 16450, 16550, etc. serial ports
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* 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 */
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