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Date: Mon, 10 Mar 2014 17:24:11 +0900 From: Pankaj Dubey <pankaj.dubey@...sung.com> To: Tomasz Figa <tomasz.figa@...il.com> Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org, Mike Turquette <mturquette@...aro.org> Subject: Re: [PATCH 1/3] drivers: clk: add samsung common clock config option Hi Tomasz, On 03/10/2014 09:28 AM, Tomasz Figa wrote: > Hi Pankaj, > > On 26.02.2014 06:24, Pankaj Dubey wrote: >> add samsung common clock config option and let ARCH_EXYNOS or >> ARCH_S3CXXXX >> select this if they want to use samsung common clock infrastructure. >> >> CC: Mike Turquette <mturquette@...aro.org> >> Signed-off-by: Pankaj Dubey <pankaj.dubey@...sung.com> >> --- >> drivers/clk/Kconfig | 10 ++++++++++ >> drivers/clk/Makefile | 2 +- >> 2 files changed, 11 insertions(+), 1 deletion(-) >> >> diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig >> index 7641965..d93a325 100644 >> --- a/drivers/clk/Kconfig >> +++ b/drivers/clk/Kconfig >> @@ -23,6 +23,16 @@ config COMMON_CLK >> menu "Common Clock Framework" >> depends on COMMON_CLK >> >> +config COMMON_CLK_SAMSUNG >> + bool "Clock driver for Samsung SoCs" >> + depends on ARCH_S3C64XX || ARCH_S3C24XX || ARCH_EXYNOS || ARM64 >> + ---help--- >> + Supports clocking on Exynos SoCs: >> + - Exynos5250, Exynos5420 board. >> + - Exynos4 boards. >> + - S3C2412, S3C2416, S3C2466 boards. >> + - S3C64XX boards. > > I don't think listing the platforms here explicitly is a good idea, as > this option shouldn't generally be user-visible (related platforms > would not work without this option enabled) and adding support for > every new SoC would require changing the help string. > > I wonder if we really need this to be user-visible. What about moving > it out of this menu, making the symbol select COMMON_CLK and let the > platforms just select COMMON_CLK_SAMSUNG alone? > > Best regards, > Tomasz > Thanks for review. I agree your point. In that case how about adding "drivers/clk/samsung/Kconfig" as below: +config COMMON_CLK_SAMSUNG + bool + select COMMON_CLK + +config S3C2412_COMMON_CLK //These macros are introduced by Heiko's clock patches for S3C24XX SoC + bool + select COMMON_CLK_SAMSUNG + +config S3C2443_COMMON_CLK + bool + select COMMON_CLK_SAMSUNG In this way we can get rid of clock related config options from "arch/arm/mach-s3c24xx/Kconfig" and in future if any other old SoC such as S5P clocks getting converted to use common clock, they can add related config here rather than arch/mach-xxx/Kconfig if required. Thus we can keep all common clock config option for Samsung SoC at one place. All Exynos SOC can select only COMMON_CLK_SAMSUNG to use Samsung common clock infrastructure. -- Best Regards, Pankaj Dubey -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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