[PATCH 3/3] [ARM] mmp: support sparse irq

[PATCH 3/3] [ARM] mmp: support sparse irq

[Haojian Zhuang]

Add sparse IRQ support in ARCH_MMP.

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
---
 arch/arm/Kconfig                      |    1 +
 arch/arm/mach-mmp/include/mach/irqs.h |    4 +---
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 45f93e1..eb1d43d 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -511,6 +511,7 @@ config ARCH_MMP
 	select GENERIC_CLOCKEVENTS
 	select TICK_ONESHOT
 	select PLAT_PXA
+	select SPARSE_IRQ
 	help
 	  Support for Marvell's PXA168/PXA910(MMP) and MMP2 processor line.

diff --git a/arch/arm/mach-mmp/include/mach/irqs.h
b/arch/arm/mach-mmp/include/mach/irqs.h
index b379cde..a09d328 100644
--- a/arch/arm/mach-mmp/include/mach/irqs.h
+++ b/arch/arm/mach-mmp/include/mach/irqs.h
@@ -222,10 +222,8 @@
 #define IRQ_GPIO_NUM			192
 #define IRQ_GPIO(x)			(IRQ_GPIO_START + (x))

-/* Board IRQ - 64 by default, increase if not enough */
 #define IRQ_BOARD_START			(IRQ_GPIO_START + IRQ_GPIO_NUM)
-#define IRQ_BOARD_END			(IRQ_BOARD_START + 64)

-#define NR_IRQS				(IRQ_BOARD_END)
+#define NR_IRQS				(IRQ_BOARD_START)

 #endif /* __ASM_MACH_IRQS_H */
-- 
1.5.6.5

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--001485f5ce5c825969048ea393f5--

[PATCH 3/3] [ARM] mmp: support sparse irq

[Haojian Zhuang]

[PATCH 3/3] [ARM] mmp: support sparse irq

[Eric Miao]

On Wed, Aug 25, 2010 at 6:45 PM, Haojian Zhuang
<haojian.zhuang@gmail.com> wrote:
> From cdf2a6749f5c01ffe285b0b10427557b3c2f73cd Mon Sep 17 00:00:00 2001
> From: Haojian Zhuang <haojian.zhuang@marvell.com>
> Date: Wed, 25 Aug 2010 14:52:53 +0800
> Subject: [PATCH 3/3] [ARM] mmp: support sparse irq
>
> Add sparse IRQ support in ARCH_MMP.
>
> Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
> ---
> ?arch/arm/Kconfig ? ? ? ? ? ? ? ? ? ? ?| ? ?1 +
> ?arch/arm/mach-mmp/include/mach/irqs.h | ? ?4 +---
> ?2 files changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 45f93e1..eb1d43d 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -511,6 +511,7 @@ config ARCH_MMP
> ? ? ? ?select GENERIC_CLOCKEVENTS
> ? ? ? ?select TICK_ONESHOT
> ? ? ? ?select PLAT_PXA
> + ? ? ? select SPARSE_IRQ

Hrm... I don't see any machine files being amended for the .nr_irqs
field?

> ? ? ? ?help
> ? ? ? ? ?Support for Marvell's PXA168/PXA910(MMP) and MMP2 processor line.
>
> diff --git a/arch/arm/mach-mmp/include/mach/irqs.h
> b/arch/arm/mach-mmp/include/mach/irqs.h
> index b379cde..a09d328 100644
> --- a/arch/arm/mach-mmp/include/mach/irqs.h
> +++ b/arch/arm/mach-mmp/include/mach/irqs.h
> @@ -222,10 +222,8 @@
> ?#define IRQ_GPIO_NUM ? ? ? ? ? ? ? ? ? 192
> ?#define IRQ_GPIO(x) ? ? ? ? ? ? ? ? ? ?(IRQ_GPIO_START + (x))
>
> -/* Board IRQ - 64 by default, increase if not enough */
> ?#define IRQ_BOARD_START ? ? ? ? ? ? ? ? ? ? ? ?(IRQ_GPIO_START + IRQ_GPIO_NUM)
> -#define IRQ_BOARD_END ? ? ? ? ? ? ? ? ?(IRQ_BOARD_START + 64)
>
> -#define NR_IRQS ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?(IRQ_BOARD_END)
> +#define NR_IRQS ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?(IRQ_BOARD_START)
>
> ?#endif /* __ASM_MACH_IRQS_H */
> --
> 1.5.6.5
>