From mboxrd@z Thu Jan 1 00:00:00 1970 From: jamie@jamieiles.com (Jamie Iles) Date: Sat, 17 Dec 2011 13:42:34 +0000 Subject: [PATCHv2 2/5] ARM: picoxcell: don't reserve irq_descs In-Reply-To: <1324129357-16030-1-git-send-email-jamie@jamieiles.com> References: <1324129357-16030-1-git-send-email-jamie@jamieiles.com> Message-ID: <1324129357-16030-3-git-send-email-jamie@jamieiles.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org All irq_desc's are now dynamically allocated so we don't need to statically reserve them. v2: - select SPARSE_IRQ and set .nr_irqs to NR_IRQS_LEGACY to skip ISA and IRQ 0. Signed-off-by: Jamie Iles --- arch/arm/Kconfig | 1 + arch/arm/mach-picoxcell/common.c | 2 +- arch/arm/mach-picoxcell/include/mach/irqs.h | 9 ++------- 3 files changed, 4 insertions(+), 8 deletions(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 44789ef..0831d48 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -650,6 +650,7 @@ config ARCH_PICOXCELL select HAVE_SCHED_CLOCK select HAVE_TCM select NO_IOPORT + select SPARSE_IRQ select USE_OF help This enables support for systems based on the Picochip picoXcell diff --git a/arch/arm/mach-picoxcell/common.c b/arch/arm/mach-picoxcell/common.c index ad871bd..d34b333 100644 --- a/arch/arm/mach-picoxcell/common.c +++ b/arch/arm/mach-picoxcell/common.c @@ -45,7 +45,7 @@ static void __init picoxcell_init_irq(void) DT_MACHINE_START(PICOXCELL, "Picochip picoXcell") .map_io = picoxcell_map_io, - .nr_irqs = ARCH_NR_IRQS, + .nr_irqs = NR_IRQS_LEGACY, .init_irq = picoxcell_init_irq, .handle_irq = vic_handle_irq, .timer = &picoxcell_timer, diff --git a/arch/arm/mach-picoxcell/include/mach/irqs.h b/arch/arm/mach-picoxcell/include/mach/irqs.h index 4d13ed9..59eac1e 100644 --- a/arch/arm/mach-picoxcell/include/mach/irqs.h +++ b/arch/arm/mach-picoxcell/include/mach/irqs.h @@ -1,8 +1,6 @@ /* * Copyright (c) 2011 Picochip Ltd., Jamie Iles * - * This file contains the hardware definitions of the picoXcell SoC devices. - * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or @@ -16,10 +14,7 @@ #ifndef __MACH_IRQS_H #define __MACH_IRQS_H -#define ARCH_NR_IRQS 64 -#define NR_IRQS (128 + ARCH_NR_IRQS) - -#define IRQ_VIC0_BASE 0 -#define IRQ_VIC1_BASE 32 +/* We dynamically allocate our irq_desc's. */ +#define NR_IRQS 0 #endif /* __MACH_IRQS_H */ -- 1.7.5.4