linux-kernel - [RFC PATCH v2 03/10] ARM: at91: introduce OLD_IRQ

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Message-Id: <1396029548-10928-4-git-send-email-b.brezillon.dev@gmail.com>
Date:	Fri, 28 Mar 2014 18:59:01 +0100
From:	Boris BREZILLON <b.brezillon.dev@...il.com>
To:	Rob Landley <rob@...dley.net>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Thomas Gleixner <tglx@...utronix.de>
Cc:	devicetree@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Boris BREZILLON <b.brezillon.dev@...il.com>
Subject: [RFC PATCH v2 03/10] ARM: at91: introduce OLD_IRQ_AT91 Kconfig option

Introduce a new Kconfig option OLD_IRQ_AT91 to prepare migration to the new
AIC driver.

Enable this option for all supported at91 SoCs (both dt and non-dt boards).

Signed-off-by: Boris BREZILLON <b.brezillon.dev@...il.com>
---
 arch/arm/mach-at91/Kconfig        |    7 +++++++
 arch/arm/mach-at91/Kconfig.non_dt |    7 +++++++
 arch/arm/mach-at91/Makefile       |    3 ++-
 3 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 4f0e800..4f0b3e0 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -28,6 +28,10 @@ config OLD_CLK_AT91
 	bool
 	default AT91_PMC_UNIT && AT91_USE_OLD_CLK
 
+config OLD_IRQ_AT91
+	bool
+	default false
+
 config AT91_SAM9_ALT_RESET
 	bool
 	default !ARCH_AT91X40
@@ -189,6 +193,7 @@ config MACH_AT91RM9200_DT
 	bool "Atmel AT91RM9200 Evaluation Kits with device-tree support"
 	depends on SOC_AT91RM9200
 	select USE_OF
+	select OLD_IRQ_AT91
 	help
 	  Select this if you want to experiment device-tree with
 	  an Atmel RM9200 Evaluation Kit.
@@ -197,6 +202,7 @@ config MACH_AT91SAM9_DT
 	bool "Atmel AT91SAM Evaluation Kits with device-tree support"
 	depends on SOC_AT91SAM9
 	select USE_OF
+	select OLD_IRQ_AT91
 	help
 	  Select this if you want to experiment device-tree with
 	  an Atmel Evaluation Kit.
@@ -205,6 +211,7 @@ config MACH_SAMA5_DT
 	bool "Atmel SAMA5 Evaluation Kits with device-tree support"
 	depends on SOC_SAMA5
 	select USE_OF
+	select OLD_IRQ_AT91
 	select PHYLIB if NETDEVICES
 	help
 	  Select this if you want to experiment device-tree with
diff --git a/arch/arm/mach-at91/Kconfig.non_dt b/arch/arm/mach-at91/Kconfig.non_dt
index 1f73e9b..75b582e 100644
--- a/arch/arm/mach-at91/Kconfig.non_dt
+++ b/arch/arm/mach-at91/Kconfig.non_dt
@@ -13,31 +13,37 @@ config ARCH_AT91RM9200
 	bool "AT91RM9200"
 	select SOC_AT91RM9200
 	select AT91_USE_OLD_CLK
+	select OLD_IRQ_AT91
 
 config ARCH_AT91SAM9260
 	bool "AT91SAM9260 or AT91SAM9XE or AT91SAM9G20"
 	select SOC_AT91SAM9260
 	select AT91_USE_OLD_CLK
+	select OLD_IRQ_AT91
 
 config ARCH_AT91SAM9261
 	bool "AT91SAM9261 or AT91SAM9G10"
 	select SOC_AT91SAM9261
 	select AT91_USE_OLD_CLK
+	select OLD_IRQ_AT91
 
 config ARCH_AT91SAM9263
 	bool "AT91SAM9263"
 	select SOC_AT91SAM9263
 	select AT91_USE_OLD_CLK
+	select OLD_IRQ_AT91
 
 config ARCH_AT91SAM9RL
 	bool "AT91SAM9RL"
 	select SOC_AT91SAM9RL
 	select AT91_USE_OLD_CLK
+	select OLD_IRQ_AT91
 
 config ARCH_AT91SAM9G45
 	bool "AT91SAM9G45"
 	select SOC_AT91SAM9G45
 	select AT91_USE_OLD_CLK
+	select OLD_IRQ_AT91
 
 config ARCH_AT91X40
 	bool "AT91x40"
@@ -45,6 +51,7 @@ config ARCH_AT91X40
 	select ARCH_USES_GETTIMEOFFSET
 	select MULTI_IRQ_HANDLER
 	select SPARSE_IRQ
+	select OLD_IRQ_AT91
 
 endchoice
 
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index 78e9cec..d972fd6 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -2,11 +2,12 @@
 # Makefile for the linux kernel.
 #
 
-obj-y		:= irq.o gpio.o setup.o sysirq_mask.o
+obj-y		:= gpio.o setup.o sysirq_mask.o
 obj-m		:=
 obj-n		:=
 obj-		:=
 
+obj-$(CONFIG_OLD_IRQ_AT91)	+= irq.o
 obj-$(CONFIG_OLD_CLK_AT91)	+= clock.o
 obj-$(CONFIG_AT91_SAM9_ALT_RESET) += at91sam9_alt_reset.o
 obj-$(CONFIG_AT91_SAM9G45_RESET) += at91sam9g45_reset.o
-- 
1.7.9.5

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