linux-kernel - Re: [PATCH 1/2] sh: intc: Confine SH

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Date:	Fri, 22 Aug 2014 12:28:45 +0900
From:	Simon Horman <horms@...ge.net.au>
To:	Geert Uytterhoeven <geert+renesas@...der.be>
Cc:	Magnus Damm <magnus.damm@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-sh@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] sh: intc: Confine SH_INTC to platforms that need it

On Wed, Aug 20, 2014 at 03:39:22PM +0200, Geert Uytterhoeven wrote:
> Currently the sh-intc driver is compiled on all SuperH and
> non-multiplatform SH-Mobile platforms, while it's only used on a limited
> number of platforms:
>   - SuperH: SH2(A), SH3(A), SH4(A)(L) (all but SH5)
>   - ARM: sh7372, sh73a0
> 
> Drop the "default y" on SH_INTC, make all CPU platforms that use it
> select it, and protect all sub-options by "if SH_INTC" to fix this.

Thanks, I have queued this up with Magnus's Ack.

> Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
> ---
>  arch/arm/mach-shmobile/Kconfig | 2 ++
>  arch/sh/Kconfig                | 3 +++
>  drivers/sh/Makefile            | 3 +--
>  drivers/sh/intc/Kconfig        | 6 +++++-
>  4 files changed, 11 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig
> index 5814754c1240..dae4c73a5f00 100644
> --- a/arch/arm/mach-shmobile/Kconfig
> +++ b/arch/arm/mach-shmobile/Kconfig
> @@ -71,6 +71,7 @@ config ARCH_SH7372
>  	select ARM_CPU_SUSPEND if PM || CPU_IDLE
>  	select CPU_V7
>  	select SH_CLK_CPG
> +	select SH_INTC
>  	select SYS_SUPPORTS_SH_CMT
>  	select SYS_SUPPORTS_SH_TMU
>  
> @@ -81,6 +82,7 @@ config ARCH_SH73A0
>  	select CPU_V7
>  	select I2C
>  	select SH_CLK_CPG
> +	select SH_INTC
>  	select RENESAS_INTC_IRQPIN
>  	select SYS_SUPPORTS_SH_CMT
>  	select SYS_SUPPORTS_SH_TMU
> diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
> index 453fa5c09550..b319846ad97f 100644
> --- a/arch/sh/Kconfig
> +++ b/arch/sh/Kconfig
> @@ -172,6 +172,7 @@ menu "System type"
>  #
>  config CPU_SH2
>  	bool
> +	select SH_INTC
>  
>  config CPU_SH2A
>  	bool
> @@ -182,6 +183,7 @@ config CPU_SH3
>  	bool
>  	select CPU_HAS_INTEVT
>  	select CPU_HAS_SR_RB
> +	select SH_INTC
>  	select SYS_SUPPORTS_SH_TMU
>  
>  config CPU_SH4
> @@ -189,6 +191,7 @@ config CPU_SH4
>  	select CPU_HAS_INTEVT
>  	select CPU_HAS_SR_RB
>  	select CPU_HAS_FPU if !CPU_SH4AL_DSP
> +	select SH_INTC
>  	select SYS_SUPPORTS_SH_TMU
>  	select SYS_SUPPORTS_HUGETLBFS if MMU
>  
> diff --git a/drivers/sh/Makefile b/drivers/sh/Makefile
> index 788ed9b59b4e..114203f32843 100644
> --- a/drivers/sh/Makefile
> +++ b/drivers/sh/Makefile
> @@ -1,8 +1,7 @@
>  #
>  # Makefile for the SuperH specific drivers.
>  #
> -obj-$(CONFIG_SUPERH)			+= intc/
> -obj-$(CONFIG_ARCH_SHMOBILE_LEGACY)	+= intc/
> +obj-$(CONFIG_SH_INTC)			+= intc/
>  ifneq ($(CONFIG_COMMON_CLK),y)
>  obj-$(CONFIG_HAVE_CLK)			+= clk/
>  endif
> diff --git a/drivers/sh/intc/Kconfig b/drivers/sh/intc/Kconfig
> index 60228fae943f..6a1b05ddc8c9 100644
> --- a/drivers/sh/intc/Kconfig
> +++ b/drivers/sh/intc/Kconfig
> @@ -1,7 +1,9 @@
>  config SH_INTC
> -	def_bool y
> +	bool
>  	select IRQ_DOMAIN
>  
> +if SH_INTC
> +
>  comment "Interrupt controller options"
>  
>  config INTC_USERIMASK
> @@ -37,3 +39,5 @@ config INTC_MAPPING_DEBUG
>  	  between system IRQs and the per-controller id tables.
>  
>  	  If in doubt, say N.
> +
> +endif
> -- 
> 1.9.1
> 
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