linux-kernel - Re: [PATCH 2/5] ARM: EXYNOS: Remove SROM related register settings from mach-exynos

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Date:	Wed, 27 May 2015 20:56:01 +0900
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	Pankaj Dubey <pankaj.dubey@...sung.com>,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org
CC:	thomas.ab@...sung.com, kgene@...nel.org, linux@....linux.org.uk,
	heiko@...ech.de
Subject: Re: [PATCH 2/5] ARM: EXYNOS: Remove SROM related register settings
 from mach-exynos

W dniu 29.04.2015 o 17:38, Pankaj Dubey pisze:
> As now we have dedicated driver for SROM controller, it will take care
> of saving register banks during S2R so we can safely remove these
> settings from mach-exynos.
> 
> Signed-off-by: Pankaj Dubey <pankaj.dubey@...sung.com>
> ---
>  arch/arm/mach-exynos/Kconfig                   |  2 +
>  arch/arm/mach-exynos/exynos.c                  | 10 -----
>  arch/arm/mach-exynos/include/mach/map.h        |  3 --
>  arch/arm/mach-exynos/suspend.c                 | 20 +---------
>  arch/arm/plat-samsung/include/plat/map-s5p.h   |  1 -
>  arch/arm/plat-samsung/include/plat/regs-srom.h | 54 --------------------------
>  6 files changed, 4 insertions(+), 86 deletions(-)
>  delete mode 100644 arch/arm/plat-samsung/include/plat/regs-srom.h
> 
> diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
> index 603820e..e842b23 100644
> --- a/arch/arm/mach-exynos/Kconfig
> +++ b/arch/arm/mach-exynos/Kconfig
> @@ -25,6 +25,8 @@ menuconfig ARCH_EXYNOS
>  	select S5P_DEV_MFC
>  	select SRAM
>  	select MFD_SYSCON
> +	select SOC_SAMSUNG
> +	select EXYNOS_SROM

What about the difference of execution time? The suspend/resume of
device may not be called in the same time as previous syscore ops. Does
this have any impact?

Best regards,
Krzysztof

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