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/*
* ARC FPGA Platform IRQ hookups
*
* Copyright (C) 2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/interrupt.h>
#include <plat/irq.h>
void __init plat_fpga_init_IRQ(void)
{
/*
* SMP Hack because UART IRQ hardwired to cpu0 (boot-cpu) but if the
* request_irq() comes from any other CPU, the low level IRQ unamsking
* essential for getting Interrupts won't be enabled on cpu0, locking
* up the UART state machine.
*/
#ifdef CONFIG_SMP
arch_unmask_irq(UART0_IRQ);
#endif
}
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