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-rw-r--r--arch/arm/mach-exynos/Kconfig10
-rw-r--r--arch/arm/mach-exynos/Makefile3
-rw-r--r--arch/arm/mach-exynos/dma.c4
3 files changed, 16 insertions, 1 deletions
diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
index 724ec0f3560d..68e4ab0c9375 100644
--- a/arch/arm/mach-exynos/Kconfig
+++ b/arch/arm/mach-exynos/Kconfig
@@ -57,6 +57,11 @@ config EXYNOS4_MCT
help
Use MCT (Multi Core Timer) as kernel timers
+config EXYNOS4_DEV_DMA
+ bool
+ help
+ Compile in amba device definitions for DMA controller
+
config EXYNOS4_DEV_AHCI
bool
help
@@ -177,6 +182,7 @@ config MACH_SMDKV310
select SAMSUNG_DEV_BACKLIGHT
select EXYNOS4_DEV_AHCI
select SAMSUNG_DEV_KEYPAD
+ select EXYNOS4_DEV_DMA
select EXYNOS4_DEV_PD
select SAMSUNG_DEV_PWM
select EXYNOS4_DEV_SYSMMU
@@ -197,6 +203,7 @@ config MACH_ARMLEX4210
select S3C_DEV_HSMMC2
select S3C_DEV_HSMMC3
select EXYNOS4_DEV_AHCI
+ select EXYNOS4_DEV_DMA
select EXYNOS4_DEV_SYSMMU
select EXYNOS4_SETUP_SDHCI
help
@@ -222,6 +229,7 @@ config MACH_UNIVERSAL_C210
select S5P_DEV_MFC
select S5P_DEV_ONENAND
select S5P_DEV_TV
+ select EXYNOS4_DEV_DMA
select EXYNOS4_DEV_PD
select EXYNOS4_SETUP_FIMD0
select EXYNOS4_SETUP_I2C1
@@ -255,6 +263,7 @@ config MACH_NURI
select S5P_DEV_MFC
select S5P_DEV_USB_EHCI
select S5P_SETUP_MIPIPHY
+ select EXYNOS4_DEV_DMA
select EXYNOS4_DEV_PD
select EXYNOS4_SETUP_FIMC
select EXYNOS4_SETUP_FIMD0
@@ -287,6 +296,7 @@ config MACH_ORIGEN
select S5P_DEV_USB_EHCI
select SAMSUNG_DEV_BACKLIGHT
select SAMSUNG_DEV_PWM
+ select EXYNOS4_DEV_DMA
select EXYNOS4_DEV_PD
select EXYNOS4_SETUP_FIMD0
select EXYNOS4_SETUP_SDHCI
diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile
index 59069a35e40b..cb6fb0e8bcaf 100644
--- a/arch/arm/mach-exynos/Makefile
+++ b/arch/arm/mach-exynos/Makefile
@@ -13,7 +13,7 @@ obj- :=
# Core support for EXYNOS4 system
obj-$(CONFIG_ARCH_EXYNOS4) += cpu.o init.o clock.o irq-combiner.o setup-i2c0.o
-obj-$(CONFIG_ARCH_EXYNOS4) += irq-eint.o dma.o pmu.o
+obj-$(CONFIG_ARCH_EXYNOS4) += irq-eint.o pmu.o
obj-$(CONFIG_CPU_EXYNOS4210) += clock-exynos4210.o
obj-$(CONFIG_SOC_EXYNOS4212) += clock-exynos4212.o
obj-$(CONFIG_PM) += pm.o
@@ -44,6 +44,7 @@ obj-$(CONFIG_EXYNOS4_DEV_AHCI) += dev-ahci.o
obj-$(CONFIG_EXYNOS4_DEV_PD) += dev-pd.o
obj-$(CONFIG_EXYNOS4_DEV_SYSMMU) += dev-sysmmu.o
obj-$(CONFIG_EXYNOS4_DEV_DWMCI) += dev-dwmci.o
+obj-$(CONFIG_EXYNOS4_DEV_DMA) += dma.o
obj-$(CONFIG_EXYNOS4_SETUP_FIMC) += setup-fimc.o
obj-$(CONFIG_EXYNOS4_SETUP_FIMD0) += setup-fimd0.o
diff --git a/arch/arm/mach-exynos/dma.c b/arch/arm/mach-exynos/dma.c
index 141093d60d0d..b10fcd270f07 100644
--- a/arch/arm/mach-exynos/dma.c
+++ b/arch/arm/mach-exynos/dma.c
@@ -24,6 +24,7 @@
#include <linux/dma-mapping.h>
#include <linux/amba/bus.h>
#include <linux/amba/pl330.h>
+#include <linux/of.h>
#include <asm/irq.h>
#include <plat/devs.h>
@@ -140,6 +141,9 @@ struct amba_device exynos4_device_pdma1 = {
static int __init exynos4_dma_init(void)
{
+ if (of_have_populated_dt())
+ return 0;
+
dma_cap_set(DMA_SLAVE, exynos4_pdma0_pdata.cap_mask);
dma_cap_set(DMA_CYCLIC, exynos4_pdma0_pdata.cap_mask);
amba_device_register(&exynos4_device_pdma0, &iomem_resource);
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