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

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

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
This commit is contained in:
Vineet Gupta 2014-06-25 17:23:38 +05:30
parent 878f46c71e
commit 25c7c11fa5
4 changed files with 1 additions and 31 deletions
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2
arch/arc/plat-arcfpga/Makefile
View file

@ -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

2
arch/arc/plat-arcfpga/include/plat/irq.h
View file

@ -24,6 +24,4 @@
#define IDU_INTERRUPT_0 16
#endif
extern void __init plat_fpga_init_IRQ(void);
#endif

25
arch/arc/plat-arcfpga/irq.c
View file

@ -1,25 +0,0 @@
/*
* 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
}

3
arch/arc/plat-arcfpga/platform.c
View file

@ -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