linux-kernel - [PATCH 4/4] arm: Added CMA to Aquila and Goni

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Date:	Tue, 20 Jul 2010 17:51:27 +0200
From:	Michal Nazarewicz <m.nazarewicz@...sung.com>
To:	linux-mm@...ck.org
Cc:	Marek Szyprowski <m.szyprowski@...sung.com>,
	Pawel Osciak <p.osciak@...sung.com>,
	Xiaolin Zhang <xiaolin.zhang@...el.com>,
	Hiremath Vaibhav <hvaibhav@...com>,
	Robert Fekete <robert.fekete@...ricsson.com>,
	Marcus Lorentzon <marcus.xm.lorentzon@...ricsson.com>,
	linux-kernel@...r.kernel.org,
	Michal Nazarewicz <m.nazarewicz@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>
Subject: [PATCH 4/4] arm: Added CMA to Aquila and Goni

Added the CMA initialisation code to two Samsung platforms.

Signed-off-by: Michal Nazarewicz <m.nazarewicz@...sung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@...sung.com>
---
 arch/arm/Kconfig                    |    1 +
 arch/arm/mach-s5pv210/Kconfig       |    1 +
 arch/arm/mach-s5pv210/mach-aquila.c |    7 +++++++
 arch/arm/mach-s5pv210/mach-goni.c   |    7 +++++++
 4 files changed, 16 insertions(+), 0 deletions(-)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 2e5b0f3..40c7380 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -691,6 +691,7 @@ config ARCH_S5PC100
 	select CPU_V7
 	select ARM_L1_CACHE_SHIFT_6
 	select ARCH_USES_GETTIMEOFFSET
+	select ARCH_CMA_POSSIBLE
 	help
 	  Samsung S5PC100 series based systems
 
diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig
index e65825f..5fa1378 100644
--- a/arch/arm/mach-s5pv210/Kconfig
+++ b/arch/arm/mach-s5pv210/Kconfig
@@ -14,6 +14,7 @@ config CPU_S5PV210
 	select PLAT_S5P
 	select S3C_PL330_DMA
 	select S5P_EXT_INT
+	select ARCH_CMA_POSSIBLE
 	help
 	  Enable S5PV210 CPU support
 
diff --git a/arch/arm/mach-s5pv210/mach-aquila.c b/arch/arm/mach-s5pv210/mach-aquila.c
index 0992618..4044233 100644
--- a/arch/arm/mach-s5pv210/mach-aquila.c
+++ b/arch/arm/mach-s5pv210/mach-aquila.c
@@ -19,6 +19,7 @@
 #include <linux/gpio_keys.h>
 #include <linux/input.h>
 #include <linux/gpio.h>
+#include <linux/cma-int.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
@@ -454,6 +455,11 @@ static void __init aquila_map_io(void)
 	s3c24xx_init_uarts(aquila_uartcfgs, ARRAY_SIZE(aquila_uartcfgs));
 }
 
+static void __init aquila_reserve(void)
+{
+	cma_regions_allocate(NULL);
+}
+
 static void __init aquila_machine_init(void)
 {
 	/* PMIC */
@@ -478,4 +484,5 @@ MACHINE_START(AQUILA, "Aquila")
 	.map_io		= aquila_map_io,
 	.init_machine	= aquila_machine_init,
 	.timer		= &s3c24xx_timer,
+	.reserve	= aquila_reserve,
 MACHINE_END
diff --git a/arch/arm/mach-s5pv210/mach-goni.c b/arch/arm/mach-s5pv210/mach-goni.c
index 7b18505..8ab0751 100644
--- a/arch/arm/mach-s5pv210/mach-goni.c
+++ b/arch/arm/mach-s5pv210/mach-goni.c
@@ -19,6 +19,7 @@
 #include <linux/gpio_keys.h>
 #include <linux/input.h>
 #include <linux/gpio.h>
+#include <linux/cma-int.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
@@ -435,6 +436,11 @@ static void __init goni_map_io(void)
 	s3c24xx_init_uarts(goni_uartcfgs, ARRAY_SIZE(goni_uartcfgs));
 }
 
+static void __init goni_reserve(void)
+{
+	cma_regions_allocate(NULL);
+}
+
 static void __init goni_machine_init(void)
 {
 	/* PMIC */
@@ -456,4 +462,5 @@ MACHINE_START(GONI, "GONI")
 	.map_io		= goni_map_io,
 	.init_machine	= goni_machine_init,
 	.timer		= &s3c24xx_timer,
+	.reserve	= goni_reserve,
 MACHINE_END
-- 
1.7.1

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