From mboxrd@z Thu Jan  1 00:00:00 1970
From: robherring2@gmail.com (Rob Herring)
Date: Fri, 24 Feb 2012 13:04:32 -0600
Subject: [PATCH] ARM: integrator: convert to sparse irqs
In-Reply-To: <1330104737-22782-1-git-send-email-linus.walleij@linaro.org>
References: <1330104737-22782-1-git-send-email-linus.walleij@linaro.org>
Message-ID: <4F47DF40.30703@gmail.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On 02/24/2012 11:32 AM, Linus Walleij wrote:
> This converts the Integrator AP/CP to use sparse IRQs.
> Tested on both machines.
> 
> Cc: Rob Herring <rob.herring@calxeda.com>
> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

Acked-by: Rob Herring <rob.herring@calxeda.com>

> ---
>  arch/arm/Kconfig                             |    1 +
>  arch/arm/mach-integrator/core.c              |    3 ++-
>  arch/arm/mach-integrator/include/mach/irqs.h |    3 ++-
>  arch/arm/mach-integrator/integrator_ap.c     |    3 ++-
>  arch/arm/mach-integrator/integrator_cp.c     |    3 ++-
>  arch/arm/mach-integrator/pci.c               |    3 ++-
>  arch/arm/mach-integrator/pci_v3.c            |    3 ++-
>  7 files changed, 13 insertions(+), 6 deletions(-)
> 
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 4852a6b..fc10ed8 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -266,6 +266,7 @@ config ARCH_INTEGRATOR
>  	select PLAT_VERSATILE
>  	select PLAT_VERSATILE_FPGA_IRQ
>  	select NEED_MACH_MEMORY_H
> +	select SPARSE_IRQ
>  	help
>  	  Support for ARM's Integrator platform.
>  
> diff --git a/arch/arm/mach-integrator/core.c b/arch/arm/mach-integrator/core.c
> index 15b87f2..304dfb2 100644
> --- a/arch/arm/mach-integrator/core.c
> +++ b/arch/arm/mach-integrator/core.c
> @@ -25,8 +25,9 @@
>  
>  #include <mach/hardware.h>
>  #include <mach/platform.h>
> -#include <asm/irq.h>
>  #include <mach/cm.h>
> +#include <mach/irqs.h>
> +
>  #include <asm/system.h>
>  #include <asm/leds.h>
>  #include <asm/mach-types.h>
> diff --git a/arch/arm/mach-integrator/include/mach/irqs.h b/arch/arm/mach-integrator/include/mach/irqs.h
> index 1fbe6d1..a19a1a2 100644
> --- a/arch/arm/mach-integrator/include/mach/irqs.h
> +++ b/arch/arm/mach-integrator/include/mach/irqs.h
> @@ -78,5 +78,6 @@
>  #define IRQ_SIC_CP_LMINT7		46
>  #define IRQ_SIC_END			46
>  
> -#define NR_IRQS                         47
> +#define NR_IRQS_INTEGRATOR_AP		34
> +#define NR_IRQS_INTEGRATOR_CP		47
>  
> diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c
> index 4dde28b..871f148 100644
> --- a/arch/arm/mach-integrator/integrator_ap.c
> +++ b/arch/arm/mach-integrator/integrator_ap.c
> @@ -38,13 +38,13 @@
>  #include <mach/hardware.h>
>  #include <mach/platform.h>
>  #include <asm/hardware/arm_timer.h>
> -#include <asm/irq.h>
>  #include <asm/setup.h>
>  #include <asm/param.h>		/* HZ */
>  #include <asm/mach-types.h>
>  #include <asm/sched_clock.h>
>  
>  #include <mach/lm.h>
> +#include <mach/irqs.h>
>  
>  #include <asm/mach/arch.h>
>  #include <asm/mach/irq.h>
> @@ -475,6 +475,7 @@ MACHINE_START(INTEGRATOR, "ARM-Integrator")
>  	.atag_offset	= 0x100,
>  	.reserve	= integrator_reserve,
>  	.map_io		= ap_map_io,
> +	.nr_irqs	= NR_IRQS_INTEGRATOR_AP,
>  	.init_early	= integrator_init_early,
>  	.init_irq	= ap_init_irq,
>  	.timer		= &ap_timer,
> diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c
> index be9ead4..48a115a 100644
> --- a/arch/arm/mach-integrator/integrator_cp.c
> +++ b/arch/arm/mach-integrator/integrator_cp.c
> @@ -26,7 +26,6 @@
>  
>  #include <mach/hardware.h>
>  #include <mach/platform.h>
> -#include <asm/irq.h>
>  #include <asm/setup.h>
>  #include <asm/mach-types.h>
>  #include <asm/hardware/arm_timer.h>
> @@ -34,6 +33,7 @@
>  
>  #include <mach/cm.h>
>  #include <mach/lm.h>
> +#include <mach/irqs.h>
>  
>  #include <asm/mach/arch.h>
>  #include <asm/mach/irq.h>
> @@ -464,6 +464,7 @@ MACHINE_START(CINTEGRATOR, "ARM-IntegratorCP")
>  	.atag_offset	= 0x100,
>  	.reserve	= integrator_reserve,
>  	.map_io		= intcp_map_io,
> +	.nr_irqs	= NR_IRQS_INTEGRATOR_CP,
>  	.init_early	= intcp_init_early,
>  	.init_irq	= intcp_init_irq,
>  	.timer		= &cp_timer,
> diff --git a/arch/arm/mach-integrator/pci.c b/arch/arm/mach-integrator/pci.c
> index 520b6bf..e15aa43 100644
> --- a/arch/arm/mach-integrator/pci.c
> +++ b/arch/arm/mach-integrator/pci.c
> @@ -26,11 +26,12 @@
>  #include <linux/interrupt.h>
>  #include <linux/init.h>
>  
> -#include <asm/irq.h>
>  #include <asm/system.h>
>  #include <asm/mach/pci.h>
>  #include <asm/mach-types.h>
>  
> +#include <mach/irqs.h>
> +
>  /* 
>   * A small note about bridges and interrupts.  The DECchip 21050 (and
>   * later) adheres to the PCI-PCI bridge specification.  This says that
> diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c
> index 3c82566..65e5896 100644
> --- a/arch/arm/mach-integrator/pci_v3.c
> +++ b/arch/arm/mach-integrator/pci_v3.c
> @@ -30,7 +30,8 @@
>  
>  #include <mach/hardware.h>
>  #include <mach/platform.h>
> -#include <asm/irq.h>
> +#include <mach/irqs.h>
> +
>  #include <asm/signal.h>
>  #include <asm/system.h>
>  #include <asm/mach/pci.h>