linux-kernel - Re: [PATCH v4] mach-bcm: clean up config and build targets

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Message-ID: <20140425134957.GD1127@beef>
Date:	Fri, 25 Apr 2014 09:49:57 -0400
From:	Matt Porter <mporter@...aro.org>
To:	Alex Elder <elder@...aro.org>
Cc:	bcm@...thebug.org, bcm-kernel-feedback-list@...adcom.com,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4] mach-bcm: clean up config and build targets

On Tue, Apr 15, 2014 at 07:37:19AM -0500, Alex Elder wrote:
> Currently CONFIG_ARCH_BCM_MOBILE is used to select all (both)
> Broadcom mobile SoC families.  Instead, use that only as a config
> menu switch, and define specific symbols like ARCH_BCM_281XX to
> select a particular SoC family.  If ARCH_BCM_MOBILE is selected, all
> of the SoCs will be selected by default, but this way each can be
> disabled individually as well.
> 
> Note that BCM281xx and BCM21664 both require the SMC and L2 cache
> control code, so that code will be built based on ARCH_BCM_MOBILE.
> 
> Signed-off-by: Alex Elder <elder@...aro.org>

Applied to mach-bcm for-3.16/cleanup [added ARM: to patch title].

Thanks,
Matt

> ---
> v4:  Rebased on to of v3.15-rc1.  Small tweak in Makefile.
> v3:  SMC and L2 cache code is needed by both SoC families.
> v2:  No longer uses Kbuild's $(<modulename>-y) variable mechanism.
> 
> The patch is available here:
>     http://git.linaro.org/landing-teams/working/broadcom/kernel.git
>     Branch review/mach-bcm-cleanup-v4
> 
>  arch/arm/mach-bcm/Kconfig  |   28 ++++++++++++++++++++++++----
>  arch/arm/mach-bcm/Makefile |   15 ++++++++++++---
>  2 files changed, 36 insertions(+), 7 deletions(-)
> 
> diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig
> index 49c914c..5f5740f 100644
> --- a/arch/arm/mach-bcm/Kconfig
> +++ b/arch/arm/mach-bcm/Kconfig
> @@ -10,7 +10,7 @@ if ARCH_BCM
>  menu "Broadcom SoC Selection"
>  
>  config ARCH_BCM_MOBILE
> -	bool "Broadcom Mobile SoC" if ARCH_MULTI_V7
> +	bool "Broadcom Mobile SoC Support" if ARCH_MULTI_V7
>  	depends on MMU
>  	select ARCH_REQUIRE_GPIOLIB
>  	select ARM_ERRATA_754322
> @@ -23,9 +23,29 @@ config ARCH_BCM_MOBILE
>  	select PINCTRL
>  	help
>  	  This enables support for systems based on Broadcom mobile SoCs.
> -	  It currently supports the 'BCM281XX' family, which includes
> -	  BCM11130, BCM11140, BCM11351, BCM28145 and
> -	  BCM28155 variants.
> +
> +if ARCH_BCM_MOBILE
> +
> +menu "Broadcom Mobile SoC Selection"
> +
> +config ARCH_BCM_281XX
> +	bool "Broadcom BCM281XX SoC family"
> +	default y
> +	help
> +	  Enable support for the the BCM281XX family, which includes
> +	  BCM11130, BCM11140, BCM11351, BCM28145 and BCM28155
> +	  variants.
> +
> +config ARCH_BCM_21664
> +	bool "Broadcom BCM21664 SoC family"
> +	default y
> +	help
> +	  Enable support for the the BCM21664 family, which includes
> +	  BCM21663 and BCM21664 variants.
> +
> +endmenu
> +
> +endif
>  
>  config ARCH_BCM2835
>  	bool "Broadcom BCM2835 family" if ARCH_MULTI_V6
> diff --git a/arch/arm/mach-bcm/Makefile b/arch/arm/mach-bcm/Makefile
> index a326b28..7fb9b04 100644
> --- a/arch/arm/mach-bcm/Makefile
> +++ b/arch/arm/mach-bcm/Makefile
> @@ -10,10 +10,19 @@
>  # of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
>  # GNU General Public License for more details.
>  
> -obj-$(CONFIG_ARCH_BCM_MOBILE)	:= board_bcm281xx.o board_bcm21664.o \
> -				bcm_kona_smc.o bcm_kona_smc_asm.o kona.o
> -obj-$(CONFIG_ARCH_BCM2835)	+= board_bcm2835.o
> +# BCM281XX
> +obj-$(CONFIG_ARCH_BCM_281XX)	+= board_bcm281xx.o
>  
> +# BCM21664
> +obj-$(CONFIG_ARCH_BCM_21664)	+= board_bcm21664.o
> +
> +# BCM281XX and BCM21664 L2 cache control
> +obj-$(CONFIG_ARCH_BCM_MOBILE)	+= bcm_kona_smc.o bcm_kona_smc_asm.o kona.o
>  plus_sec := $(call as-instr,.arch_extension sec,+sec)
>  AFLAGS_bcm_kona_smc_asm.o	:=-Wa,-march=armv7-a$(plus_sec)
> +
> +# BCM2835
> +obj-$(CONFIG_ARCH_BCM2835)	+= board_bcm2835.o
> +
> +# BCM5301X
>  obj-$(CONFIG_ARCH_BCM_5301X)	+= bcm_5301x.o
> -- 
> 1.7.9.5
> 
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