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Message-id: <5645BB67.8050102@samsung.com>
Date: Fri, 13 Nov 2015 19:28:55 +0900
From: Krzysztof Kozlowski <k.kozlowski@...sung.com>
To: Pankaj Dubey <pankaj.dubey@...sung.com>,
linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-pm@...r.kernel.org
Cc: kgene.kim@...sung.com, thomas.ab@...sung.com,
amitdanielk@...il.com, olof@...om.net, khilman@...aro.org,
arnd@...db.de
Subject: Re: [PATCH v5 9/9] drivers: soc: Add support for Exynos PMU driver
On 13.11.2015 18:29, Pankaj Dubey wrote:
> This patch moves Exynos PMU driver implementation from "arm/mach-exynos"
> to "drivers/soc/samsung". This driver is mainly used for setting misc
> bits of register from PMU IP of Exynos SoC which will be required to
> configure before Suspend/Resume. Currently all these settings are done
> in "arch/arm/mach-exynos/pmu.c" but moving ahead for ARM64 based SoC
> support, there is a need of this PMU driver in driver/* folder.
>
> This driver uses existing DT binding information and there should
> be no functionality change in the supported platforms.
>
> Signed-off-by: Amit Daniel Kachhap <amitdanielk@...il.com>
> Signed-off-by: Pankaj Dubey <pankaj.dubey@...sung.com>
> ---
> arch/arm/mach-exynos/Kconfig | 1 +
> arch/arm/mach-exynos/Makefile | 4 +---
> drivers/soc/samsung/Kconfig | 4 ++++
> drivers/soc/samsung/Makefile | 4 ++++
> arch/arm/mach-exynos/pmu.c => drivers/soc/samsung/exynos-pmu.c | 0
> {arch/arm/mach-exynos => drivers/soc/samsung}/exynos-pmu.h | 0
> {arch/arm/mach-exynos => drivers/soc/samsung}/exynos3250-pmu.c | 0
> {arch/arm/mach-exynos => drivers/soc/samsung}/exynos4-pmu.c | 0
> {arch/arm/mach-exynos => drivers/soc/samsung}/exynos5250-pmu.c | 0
> {arch/arm/mach-exynos => drivers/soc/samsung}/exynos5420-pmu.c | 0
> 10 files changed, 10 insertions(+), 3 deletions(-)
> rename arch/arm/mach-exynos/pmu.c => drivers/soc/samsung/exynos-pmu.c (100%)
> rename {arch/arm/mach-exynos => drivers/soc/samsung}/exynos-pmu.h (100%)
> rename {arch/arm/mach-exynos => drivers/soc/samsung}/exynos3250-pmu.c (100%)
> rename {arch/arm/mach-exynos => drivers/soc/samsung}/exynos4-pmu.c (100%)
> rename {arch/arm/mach-exynos => drivers/soc/samsung}/exynos5250-pmu.c (100%)
> rename {arch/arm/mach-exynos => drivers/soc/samsung}/exynos5420-pmu.c (100%)
>
> diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
> index 83c85f5..874cb38 100644
> --- a/arch/arm/mach-exynos/Kconfig
> +++ b/arch/arm/mach-exynos/Kconfig
> @@ -16,6 +16,7 @@ menuconfig ARCH_EXYNOS
> select ARM_GIC
> select COMMON_CLK_SAMSUNG
> select EXYNOS_THERMAL
> + select EXYNOS_PMU
> select EXYNOS_SROM if PM
> select HAVE_ARM_SCU if SMP
> select HAVE_S3C2410_I2C if I2C
> diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile
> index 2d58063..34d29df 100644
> --- a/arch/arm/mach-exynos/Makefile
> +++ b/arch/arm/mach-exynos/Makefile
> @@ -9,9 +9,7 @@ ccflags-$(CONFIG_ARCH_MULTIPLATFORM) += -I$(srctree)/$(src)/include -I$(srctree)
>
> # Core
>
> -obj-$(CONFIG_ARCH_EXYNOS) += exynos.o pmu.o exynos-smc.o firmware.o \
> - exynos3250-pmu.o exynos4-pmu.o \
> - exynos5250-pmu.o exynos5420-pmu.o
> +obj-$(CONFIG_ARCH_EXYNOS) += exynos.o exynos-smc.o firmware.o
>
> obj-$(CONFIG_EXYNOS_CPU_SUSPEND) += pm.o sleep.o
> obj-$(CONFIG_PM_SLEEP) += suspend.o
> diff --git a/drivers/soc/samsung/Kconfig b/drivers/soc/samsung/Kconfig
> index 2833b5b..f545d6c 100644
> --- a/drivers/soc/samsung/Kconfig
> +++ b/drivers/soc/samsung/Kconfig
> @@ -10,4 +10,8 @@ config EXYNOS_SROM
> bool
> depends on ARM && ARCH_EXYNOS && PM
>
> +config EXYNOS_PMU
> + bool
> + depends on ARCH_EXYNOS
> +
> endmenu
> diff --git a/drivers/soc/samsung/Makefile b/drivers/soc/samsung/Makefile
> index 9c554d5..26fb489 100644
> --- a/drivers/soc/samsung/Makefile
> +++ b/drivers/soc/samsung/Makefile
> @@ -1 +1,5 @@
> obj-$(CONFIG_EXYNOS_SROM) += exynos-srom.o
> +ifdef CONFIG_ARM
> +obj-$(CONFIG_EXYNOS_PMU) += exynos-pmu.o exynos3250-pmu.o exynos4-pmu.o \
> + exynos5250-pmu.o exynos5420-pmu.o
> +endif
Why ifdef CONFIG_ARM? This already depends on ARCH_EXYNOS. If you want
to limit to ARMv7 then add the dependency to Kconfig (just like
EXYNOS_SROM).
Rest looks ok - nice renames.
Best regards,
Krzysztof
> diff --git a/arch/arm/mach-exynos/pmu.c b/drivers/soc/samsung/exynos-pmu.c
> similarity index 100%
> rename from arch/arm/mach-exynos/pmu.c
> rename to drivers/soc/samsung/exynos-pmu.c
> diff --git a/arch/arm/mach-exynos/exynos-pmu.h b/drivers/soc/samsung/exynos-pmu.h
> similarity index 100%
> rename from arch/arm/mach-exynos/exynos-pmu.h
> rename to drivers/soc/samsung/exynos-pmu.h
> diff --git a/arch/arm/mach-exynos/exynos3250-pmu.c b/drivers/soc/samsung/exynos3250-pmu.c
> similarity index 100%
> rename from arch/arm/mach-exynos/exynos3250-pmu.c
> rename to drivers/soc/samsung/exynos3250-pmu.c
> diff --git a/arch/arm/mach-exynos/exynos4-pmu.c b/drivers/soc/samsung/exynos4-pmu.c
> similarity index 100%
> rename from arch/arm/mach-exynos/exynos4-pmu.c
> rename to drivers/soc/samsung/exynos4-pmu.c
> diff --git a/arch/arm/mach-exynos/exynos5250-pmu.c b/drivers/soc/samsung/exynos5250-pmu.c
> similarity index 100%
> rename from arch/arm/mach-exynos/exynos5250-pmu.c
> rename to drivers/soc/samsung/exynos5250-pmu.c
> diff --git a/arch/arm/mach-exynos/exynos5420-pmu.c b/drivers/soc/samsung/exynos5420-pmu.c
> similarity index 100%
> rename from arch/arm/mach-exynos/exynos5420-pmu.c
> rename to drivers/soc/samsung/exynos5420-pmu.c
>
--
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