From mboxrd@z Thu Jan  1 00:00:00 1970
From: jason@lakedaemon.net (Jason Cooper)
Date: Fri, 26 Jul 2013 13:11:53 -0400
Subject: [PATCH v2 1/5] ARM: Broadcom: Unconditionally build
 arch/arm/mach-bcm
In-Reply-To: <51F29BFE.8000202@broadcom.com>
References: <20130726145639.116237136@gmail.com>
 <20130726151223.045835540@gmail.com>
 <20130726152918.GL29916@titan.lakedaemon.net>
 <51F29BFE.8000202@broadcom.com>
Message-ID: <20130726171153.GN29916@titan.lakedaemon.net>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

Christian,

On Fri, Jul 26, 2013 at 08:55:42AM -0700, Christian Daudt wrote:
> [resend in plain text]
> On 13-07-26 08:29 AM, Jason Cooper wrote:
> >On Fri, Jul 26, 2013 at 04:56:40PM +0200, Domenico Andreoli wrote:
> >>From: Domenico Andreoli<domenico.andreoli@linux.com>
> >>
> >>arch/arm/mach-bcm contains a plurality of Broadcom SoCs, each configured
> >>separately. As a matter of flexibility and maintenance, it needs to be
> >>always included in the build.
> >
> >So if I'm building mach-kirkwood, I _have_ to build Broadcom?  What is
> >the *specific* problem you're encountering that this solves?
> 
>  No it won't, as the Makefile inside mach-bcm will only pull in
> files based on ARCH_ settings. This move is so that a number
> different Broadcom SoCs can co-exist inside the mach-bcm directory.


Why wouldn't this work?

---->8-------
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index ba412e0..97b6aff 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -366,6 +366,12 @@ config ARCH_AT91
 	  This enables support for systems based on Atmel
 	  AT91RM9200 and AT91SAM9* processors.
 
+config ARCH_BCM
+	bool "Broadcom family SoCs"
+	help
+	  This enables support for systems based on the Broadcom
+	  bcm4760 and bcm281XX series SoCs.
+
 config ARCH_CLPS711X
 	bool "Cirrus Logic CLPS711x/EP721x/EP731x-based"
 	select ARCH_REQUIRE_GPIOLIB
diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig
index f112895..4b1f9db 100644
--- a/arch/arm/mach-bcm/Kconfig
+++ b/arch/arm/mach-bcm/Kconfig
@@ -1,5 +1,9 @@
-config ARCH_BCM
-	bool "Broadcom SoC" if ARCH_MULTI_V7
+if ARCH_BCM
+
+menu "Broadcom SoC Implementations"
+
+config MACH_BCM281XX
+	bool "BCM281XX SoCs" if ARCH_MULTI_V7
 	depends on MMU
 	select ARCH_REQUIRE_GPIOLIB
 	select ARM_ERRATA_754322
@@ -17,3 +21,7 @@ config ARCH_BCM
 	  It currently supports the 'BCM281XX' family, which includes
 	  BCM11130, BCM11140, BCM11351, BCM28145 and
 	  BCM28155 variants.
+
+endmenu
+
+endif
diff --git a/arch/arm/mach-bcm/Makefile b/arch/arm/mach-bcm/Makefile
index 6adb6aec..e3f8f27 100644
--- a/arch/arm/mach-bcm/Makefile
+++ b/arch/arm/mach-bcm/Makefile
@@ -10,6 +10,6 @@
 # of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 
-obj-$(CONFIG_ARCH_BCM)		:= board_bcm.o bcm_kona_smc.o bcm_kona_smc_asm.o
+obj-$(CONFIG_MACH_BCM281XX)	:= board_bcm.o bcm_kona_smc.o bcm_kona_smc_asm.o
 plus_sec := $(call as-instr,.arch_extension sec,+sec)
 AFLAGS_bcm_kona_smc_asm.o	:=-Wa,-march=armv7-a$(plus_sec)