[PATCH v2 6/6] ARM: EXYNOS4: Limit usage of pl330 device instance to non-dt build

[Thomas Abraham]

Dear Mr. Kim,

On 5 September 2011 10:47, Kukjin Kim <kgene.kim at samsung.com> wrote:
>> -----Original Message-----
>> From: Thomas Abraham [mailto:thomas.abraham at linaro.org]
>> Sent: Thursday, September 01, 2011 6:05 PM
>> To: devicetree-discuss at lists.ozlabs.org
>> Cc: grant.likely at secretlab.ca; linux-arm-kernel at lists.infradead.org;
> linux-samsung-
>> soc at vger.kernel.org; kgene.kim at samsung.com; robherring2 at gmail.com;
>> vinod.koul at intel.com; patches at linaro.org; jassisinghbrar at gmail.com;
>> boojin.kim at samsung.com
>> Subject: [PATCH v2 6/6] ARM: EXYNOS4: Limit usage of pl330 device instance
> to
>> non-dt build
>>
>> The pl330 device instances and associated platform data is required only
>> for non-device-tree builds. With device tree, all of this information is
>> obtained from the device tree.
>>
>> Signed-off-by: Thomas Abraham <thomas.abraham at linaro.org>
>> ---
>>  arch/arm/mach-exynos4/Kconfig  |    7 +++++++
>>  arch/arm/mach-exynos4/Makefile |    3 ++-
>>  2 files changed, 9 insertions(+), 1 deletions(-)
>>
>> diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig
>> index d4d401c..3edbf37 100644
>> --- a/arch/arm/mach-exynos4/Kconfig
>> +++ b/arch/arm/mach-exynos4/Kconfig
>> @@ -21,6 +21,13 @@ config EXYNOS4_MCT
>>       help
>>         Use MCT (Multi Core Timer) as kernel timers
>>
>> +config EXYNOS4_DEV_DMA
>> +     bool
>> +     default y if !OF
>> +     help
>> +       Compile in amba device definitions for DMA controller if OF
>> +       is not enabled.
>> +
>>  config EXYNOS4_DEV_AHCI
>>       bool
>>       help
>> diff --git a/arch/arm/mach-exynos4/Makefile
> b/arch/arm/mach-exynos4/Makefile
>> index d2bf5bf..a2f33dc 100644
>> --- a/arch/arm/mach-exynos4/Makefile
>> +++ b/arch/arm/mach-exynos4/Makefile
>> @@ -13,7 +13,8 @@ obj-                                :=
>>  # Core support for EXYNOS4 system
>>
>>  obj-$(CONFIG_CPU_EXYNOS4210) += cpu.o init.o clock.o irq-combiner.o
>> -obj-$(CONFIG_CPU_EXYNOS4210) += setup-i2c0.o irq-eint.o dma.o
>> pmu.o
>> +obj-$(CONFIG_CPU_EXYNOS4210) += setup-i2c0.o irq-eint.o pmu.o
>> +obj-$(CONFIG_EXYNOS4_DEV_DMA)        += dma.o
>
> Do we need _really_ EXYNOS4_DEV_DMA here?
> How about to use like following?
>
> +obj-$(!CONFIG_OF)              += dma.o

Thanks for the suggestion. I will try it and resubmit the patch.

Thanks,
Thomas.

>
> If any problems, let me know.
>
> Thanks.
>
> Best regards,
> Kgene.
> --
> Kukjin Kim <kgene.kim at samsung.com>, Senior Engineer,
> SW Solution Development Team, Samsung Electronics Co., Ltd.
>
>
>>  obj-$(CONFIG_PM)             += pm.o sleep.o
>>  obj-$(CONFIG_CPU_IDLE)               += cpuidle.o
>>
>> --
>> 1.6.6.rc2
>
>