linux-kernel - Re: [PATCH v3 3/7] ARCH: EXYNOS: split up exynos3250 SoC specific PMU data

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Message-id: <563AE9B5.2020808@samsung.com>
Date:	Thu, 05 Nov 2015 11:01:33 +0530
From:	Pankaj Dubey <pankaj.dubey@...sung.com>
To:	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Cc:	kgene.kim@...sung.com, thomas.ab@...sung.com, amitdanielk@...il.com
Subject: Re: [PATCH v3 3/7] ARCH: EXYNOS: split up exynos3250 SoC specific PMU
 data

Hi Krzysztof,

On Tuesday 03 November 2015 07:25 AM, Krzysztof Kozlowski wrote:
> On 26.10.2015 21:55, Pankaj Dubey wrote:
>> This patch splits up mach-exynos/pmu.c file, and moves exynos3250 PMU
>> configuration data and functions handing those data into exynos3250
>> SoC specific PMU file mach-exynos/exynos3250-pmu.c.
>>
>> Signed-off-by: Pankaj Dubey <pankaj.dubey@...sung.com>
>> ---
>>   arch/arm/mach-exynos/Makefile         |   2 +-
>>   arch/arm/mach-exynos/exynos-pmu.h     |  47 +++++++++
>>   arch/arm/mach-exynos/exynos3250-pmu.c | 175 +++++++++++++++++++++++++++++++
>>   arch/arm/mach-exynos/pmu.c            | 189 +---------------------------------
>>   4 files changed, 224 insertions(+), 189 deletions(-)
>>   create mode 100644 arch/arm/mach-exynos/exynos-pmu.h
>>   create mode 100644 arch/arm/mach-exynos/exynos3250-pmu.c
>>
>> diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile
>> index 2f30676..e869f86 100644
>> --- a/arch/arm/mach-exynos/Makefile
>> +++ b/arch/arm/mach-exynos/Makefile
>> @@ -9,7 +9,7 @@ ccflags-$(CONFIG_ARCH_MULTIPLATFORM) += -I$(srctree)/$(src)/include -I$(srctree)
>>
>>   # Core
>>
>> -obj-$(CONFIG_ARCH_EXYNOS)	+= exynos.o pmu.o exynos-smc.o firmware.o
>> +obj-$(CONFIG_ARCH_EXYNOS)	+= exynos.o pmu.o exynos-smc.o firmware.o exynos3250-pmu.o
>>
>>   obj-$(CONFIG_EXYNOS_CPU_SUSPEND) += pm.o sleep.o
>>   obj-$(CONFIG_PM_SLEEP)		+= suspend.o
>> diff --git a/arch/arm/mach-exynos/exynos-pmu.h b/arch/arm/mach-exynos/exynos-pmu.h
>> new file mode 100644
>> index 0000000..2da4964
>> --- /dev/null
>> +++ b/arch/arm/mach-exynos/exynos-pmu.h
>> @@ -0,0 +1,47 @@
>> +/*
>> + * Copyright (c) 2015 Samsung Electronics Co., Ltd.
>> + *		http://www.samsung.com
>> + *
>> + * Header for EXYNOS PMU Driver support
>> + *
>> + * This program is free software; you can redistribute it and/or modify
>> + * it under the terms of the GNU General Public License version 2 as
>> + * published by the Free Software Foundation.
>> + */
>> +
>> +#ifndef __EXYNOSPMU_H
>> +#define __EXYNOSPMU_H
>
> __EXYNOS_PMU_H
> (and rename it in last patch)
>

OK.

>> +
>> +#include <linux/io.h>
>> +
>> +#define PMU_TABLE_END	(-1U)
>> +
>> +extern void __iomem *pmu_base_addr;
>> +
>> +struct exynos_pmu_conf {
>> +	unsigned int offset;
>> +	u8 val[NUM_SYS_POWERDOWN];
>> +};
>> +
>> +struct exynos_pmu_data {
>> +	const struct exynos_pmu_conf *pmu_config;
>> +	const struct exynos_pmu_conf *pmu_config_extra;
>> +
>> +	void (*pmu_init)(void);
>> +	void (*powerdown_conf)(enum sys_powerdown);
>> +	void (*powerdown_conf_extra)(enum sys_powerdown);
>> +};
>> +
>> +static inline void pmu_raw_writel(u32 val, u32 offset)
>> +{
>> +	writel_relaxed(val, pmu_base_addr + offset);
>> +}
>> +
>> +static inline u32 pmu_raw_readl(u32 offset)
>> +{
>> +	return readl_relaxed(pmu_base_addr + offset);
>> +}
>
> These shouldn't be static inlines in header because you will duplicate
> it in each compiled object. Leave optimizations to compiler.
>

OK. Thanks for review.

Thanks,
Pankaj Dubey
> Rest looks good,
> Krzysztof
>
>
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