From 25c7c11fa5642ee426fc9fe54661ffeed809413f Mon Sep 17 00:00:00 2001 From: Vineet Gupta Date: Wed, 25 Jun 2014 17:23:38 +0530 Subject: 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: Vineet Gupta --- arch/arc/plat-arcfpga/Makefile | 2 +- arch/arc/plat-arcfpga/include/plat/irq.h | 2 -- arch/arc/plat-arcfpga/irq.c | 25 ------------------------- arch/arc/plat-arcfpga/platform.c | 3 --- 4 files changed, 1 insertion(+), 31 deletions(-) delete mode 100644 arch/arc/plat-arcfpga/irq.c (limited to 'arch/arc') diff --git a/arch/arc/plat-arcfpga/Makefile b/arch/arc/plat-arcfpga/Makefile index 4d1bddc34b5b..66fd0ecd68b3 100644 --- a/arch/arc/plat-arcfpga/Makefile +++ b/arch/arc/plat-arcfpga/Makefile @@ -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 diff --git a/arch/arc/plat-arcfpga/include/plat/irq.h b/arch/arc/plat-arcfpga/include/plat/irq.h index 6adbc53c3a5b..2c9dea690ac4 100644 --- a/arch/arc/plat-arcfpga/include/plat/irq.h +++ b/arch/arc/plat-arcfpga/include/plat/irq.h @@ -24,6 +24,4 @@ #define IDU_INTERRUPT_0 16 #endif -extern void __init plat_fpga_init_IRQ(void); - #endif diff --git a/arch/arc/plat-arcfpga/irq.c b/arch/arc/plat-arcfpga/irq.c deleted file mode 100644 index d2215fd889c2..000000000000 --- a/arch/arc/plat-arcfpga/irq.c +++ /dev/null @@ -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 -#include - -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 -} diff --git a/arch/arc/plat-arcfpga/platform.c b/arch/arc/plat-arcfpga/platform.c index 61c7e5997387..8c643c2967df 100644 --- a/arch/arc/plat-arcfpga/platform.c +++ b/arch/arc/plat-arcfpga/platform.c @@ -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 -- cgit v1.2.3-59-g8ed1b