Commit 25c7c11f authored by Vineet Gupta's avatar Vineet Gupta
Browse files

ARC: [plat-arcfpga] No need for init_irq hack 



With all IRQs unmasked by default on all cores, it is no longer needed
to unmask them explicitly.

Signed-off-by: default avatarVineet Gupta <vgupta@synopsys.com>
parent 878f46c7

arch/arc/plat-arcfpga/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -8,5 +8,5 @@ 


KBUILD_CFLAGS	+= -Iarch/arc/plat-arcfpga/include



obj-y := platform.o irq.o

obj-y := platform.o

obj-$(CONFIG_ISS_SMP_EXTN)		+= smp.o

arch/arc/plat-arcfpga/include/plat/irq.h

+0 −2
Original line number Diff line number Diff line
@@ -24,6 +24,4 @@ 
#define IDU_INTERRUPT_0 16

#endif



extern void __init plat_fpga_init_IRQ(void);



#endif

arch/arc/plat-arcfpga/irq.c

deleted100644 → 0
+0 −25
Original line number Diff line number Diff line 
/*

 * 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

}

arch/arc/plat-arcfpga/platform.c

+0 −3
Original line number Diff line number Diff line
@@ -150,7 +150,6 @@ MACHINE_START(ANGEL4, "angel4") 
	.dt_compat	= aa4_compat,

	.init_early	= plat_fpga_early_init,

	.init_machine	= plat_fpga_populate_dev,

	.init_irq	= plat_fpga_init_IRQ,

#ifdef CONFIG_ISS_SMP_EXTN

	.init_smp	= iss_model_init_smp,

#endif
@@ -165,7 +164,6 @@ MACHINE_START(ML509, "ml509") 
	.dt_compat	= ml509_compat,

	.init_early	= plat_fpga_early_init,

	.init_machine	= plat_fpga_populate_dev,

	.init_irq	= plat_fpga_init_IRQ,

#ifdef CONFIG_SMP

	.init_smp	= iss_model_init_smp,

#endif
@@ -180,5 +178,4 @@ MACHINE_START(NSIMOSCI, "nsimosci") 
	.dt_compat	= nsimosci_compat,

	.init_early	= NULL,

	.init_machine	= plat_fpga_populate_dev,

	.init_irq	= NULL,

MACHINE_END