From mboxrd@z Thu Jan 1 00:00:00 1970 From: thomas.abraham@linaro.org (Thomas Abraham) Date: Mon, 10 Oct 2011 23:45:34 +0530 Subject: [PATCH v6 06/10] ARM: EXYNOS4: Limit usage of pl330 device instance to non-dt build In-Reply-To: <1318270538-30450-6-git-send-email-thomas.abraham@linaro.org> References: <1318270538-30450-1-git-send-email-thomas.abraham@linaro.org> <1318270538-30450-2-git-send-email-thomas.abraham@linaro.org> <1318270538-30450-3-git-send-email-thomas.abraham@linaro.org> <1318270538-30450-4-git-send-email-thomas.abraham@linaro.org> <1318270538-30450-5-git-send-email-thomas.abraham@linaro.org> <1318270538-30450-6-git-send-email-thomas.abraham@linaro.org> Message-ID: <1318270538-30450-7-git-send-email-thomas.abraham@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org The pl330 device instances and associated platform data is required only for non-device-tree builds. With device tree enabled, the data about the platform is obtained from the device tree. For images that include both dt and non-dt platforms, an addditional check is added to ensure that static amba device registrations is applicable to only non-dt platforms. Cc: Kukjin Kim Cc: Kyungmin Park Signed-off-by: Thomas Abraham Acked-by: Grant Likely --- arch/arm/mach-exynos4/Kconfig | 10 ++++++++++ arch/arm/mach-exynos4/Makefile | 3 ++- arch/arm/mach-exynos4/dma.c | 4 ++++ 3 files changed, 16 insertions(+), 1 deletions(-) diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig index dd660eb..0c5888a 100644 --- a/arch/arm/mach-exynos4/Kconfig +++ b/arch/arm/mach-exynos4/Kconfig @@ -35,6 +35,11 @@ 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 @@ -158,6 +163,7 @@ config MACH_SMDKV310 select EXYNOS4_DEV_PD select SAMSUNG_DEV_PWM select EXYNOS4_DEV_SYSMMU + select EXYNOS4_DEV_DMA select EXYNOS4_SETUP_FIMD0 select EXYNOS4_SETUP_I2C1 select EXYNOS4_SETUP_KEYPAD @@ -176,6 +182,7 @@ config MACH_ARMLEX4210 select S3C_DEV_HSMMC3 select EXYNOS4_DEV_AHCI select EXYNOS4_DEV_SYSMMU + select EXYNOS4_DEV_DMA select EXYNOS4_SETUP_SDHCI help Machine support for Samsung ARMLEX4210 based on EXYNOS4210 @@ -201,6 +208,7 @@ config MACH_UNIVERSAL_C210 select S5P_DEV_ONENAND select S5P_DEV_TV select EXYNOS4_DEV_PD + select EXYNOS4_DEV_DMA select EXYNOS4_SETUP_FIMD0 select EXYNOS4_SETUP_I2C1 select EXYNOS4_SETUP_I2C3 @@ -227,6 +235,7 @@ config MACH_NURI select S5P_DEV_MFC select S5P_DEV_USB_EHCI select EXYNOS4_DEV_PD + select EXYNOS4_DEV_DMA select EXYNOS4_SETUP_FIMD0 select EXYNOS4_SETUP_I2C1 select EXYNOS4_SETUP_I2C3 @@ -253,6 +262,7 @@ config MACH_ORIGEN select S5P_DEV_I2C_HDMIPHY select S5P_DEV_TV select S5P_DEV_USB_EHCI + select EXYNOS4_DEV_DMA select EXYNOS4_DEV_PD select SAMSUNG_DEV_BACKLIGHT select SAMSUNG_DEV_PWM diff --git a/arch/arm/mach-exynos4/Makefile b/arch/arm/mach-exynos4/Makefile index c47aae3..8066538 100644 --- a/arch/arm/mach-exynos4/Makefile +++ b/arch/arm/mach-exynos4/Makefile @@ -13,7 +13,7 @@ obj- := # Core support for EXYNOS4 system obj-$(CONFIG_ARCH_EXYNOS4) += cpu.o init.o clock.o irq-combiner.o -obj-$(CONFIG_ARCH_EXYNOS4) += setup-i2c0.o irq-eint.o dma.o pmu.o +obj-$(CONFIG_ARCH_EXYNOS4) += setup-i2c0.o irq-eint.o pmu.o obj-$(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-exynos4/dma.c b/arch/arm/mach-exynos4/dma.c index c3c0d17..921d31d 100644 --- a/arch/arm/mach-exynos4/dma.c +++ b/arch/arm/mach-exynos4/dma.c @@ -24,6 +24,7 @@ #include #include #include +#include #include #include @@ -138,6 +139,9 @@ 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); -- 1.6.6.rc2