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SubjectRe: [1/2] clk: samsung: Don't build ARMv8 clock drivers on ARMv7
Hi Krzysztof,

On 11/16/2015 07:06 AM, Krzysztof Kozlowski wrote:
> Currently the Exynos5433 (ARMv8 SoC) clock driver depends on ARCH_EXYNOS
> so it is built also on ARMv7. This does not bring any kind of benefit.
> There won't be a single kernel image for ARMv7 and ARMv8 SoCs (like
> multi_v7 for ARMv7).
>
> Instead build clock drivers only for respective SoC's architecture.
>
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
> Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
> Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
>

Tested $SUBJECT patch on exynos7-espresso board, so
Tested-by: Alim Akhtar <alim.akhtar@samsung.com>

> ---
> drivers/clk/samsung/Kconfig | 13 +++++++++++++
> drivers/clk/samsung/Makefile | 4 ++--
> 2 files changed, 15 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/clk/samsung/Kconfig b/drivers/clk/samsung/Kconfig
> index 84196ecdaa12..5f138fc4d84d 100644
> --- a/drivers/clk/samsung/Kconfig
> +++ b/drivers/clk/samsung/Kconfig
> @@ -2,6 +2,7 @@ config COMMON_CLK_SAMSUNG
> bool
> select COMMON_CLK
>
> +# ARMv7 SoCs:
> config S3C2410_COMMON_CLK
> bool
> select COMMON_CLK_SAMSUNG
> @@ -24,3 +25,15 @@ config S3C2443_COMMON_CLK
> bool
> select COMMON_CLK_SAMSUNG
>
> +# ARMv8 SoCs:
> +config EXYNOS5433_COMMON_CLK
> + bool
> + depends on ARM64 || COMPILE_TEST
> + default ARCH_EXYNOS
> + select COMMON_CLK_SAMSUNG
> +
> +config EXYNOS7_COMMON_CLK
> + bool
> + depends on ARM64 || COMPILE_TEST
> + default ARCH_EXYNOS
> + select COMMON_CLK_SAMSUNG
> diff --git a/drivers/clk/samsung/Makefile b/drivers/clk/samsung/Makefile
> index 5f6833ea355d..a31332a24ef4 100644
> --- a/drivers/clk/samsung/Makefile
> +++ b/drivers/clk/samsung/Makefile
> @@ -10,11 +10,11 @@ obj-$(CONFIG_SOC_EXYNOS5250) += clk-exynos5250.o
> obj-$(CONFIG_SOC_EXYNOS5260) += clk-exynos5260.o
> obj-$(CONFIG_SOC_EXYNOS5410) += clk-exynos5410.o
> obj-$(CONFIG_SOC_EXYNOS5420) += clk-exynos5420.o
> -obj-$(CONFIG_ARCH_EXYNOS) += clk-exynos5433.o
> +obj-$(CONFIG_EXYNOS5433_COMMON_CLK) += clk-exynos5433.o
> obj-$(CONFIG_SOC_EXYNOS5440) += clk-exynos5440.o
> obj-$(CONFIG_ARCH_EXYNOS) += clk-exynos-audss.o
> obj-$(CONFIG_ARCH_EXYNOS) += clk-exynos-clkout.o
> -obj-$(CONFIG_ARCH_EXYNOS7) += clk-exynos7.o
> +obj-$(CONFIG_EXYNOS7_COMMON_CLK) += clk-exynos7.o
> obj-$(CONFIG_S3C2410_COMMON_CLK)+= clk-s3c2410.o
> obj-$(CONFIG_S3C2410_COMMON_DCLK)+= clk-s3c2410-dclk.o
> obj-$(CONFIG_S3C2412_COMMON_CLK)+= clk-s3c2412.o
>


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