linux-kernel - Re: [PATCH v6 8/9] ARM: EXYNOS: rearrange static and non-static functions of PMU driver

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Date:	Fri, 20 Nov 2015 14:10:44 +0900
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	Manish Badarkhe <badarkhe.manish@...il.com>,
	Pankaj Dubey <pankaj.dubey@...sung.com>
Cc:	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>, linux-pm@...r.kernel.org,
	"kgene.kim@...sung.com" <kgene.kim@...sung.com>,
	thomas.ab@...sung.com, amitdanielk@...il.com, olof@...om.net,
	khilman@...aro.org, arnd@...db.de
Subject: Re: [PATCH v6 8/9] ARM: EXYNOS: rearrange static and non-static
 functions of PMU driver

On 20.11.2015 13:46, Manish Badarkhe wrote:
> On Tue, Nov 17, 2015 at 11:35 AM, Pankaj Dubey <pankaj.dubey@...sung.com> wrote:
>> This patch moves exynos_sys_powerdown_conf function above all
>> static functions, to avoid confusion causing due to mixing of
>> static-nonstatic-static functions and to improve readability of this
>> driver.
>>
>> Signed-off-by: Pankaj Dubey <pankaj.dubey@...sung.com>
>> Suggested-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
>> Reviewed-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
>> ---
>>  arch/arm/mach-exynos/pmu.c | 34 +++++++++++++++++-----------------
>>  1 file changed, 17 insertions(+), 17 deletions(-)
>>
>> diff --git a/arch/arm/mach-exynos/pmu.c b/arch/arm/mach-exynos/pmu.c
>> index 01cb649..a7741d4 100644
>> --- a/arch/arm/mach-exynos/pmu.c
>> +++ b/arch/arm/mach-exynos/pmu.c
>> @@ -39,23 +39,6 @@ u32 pmu_raw_readl(u32 offset)
>>         return readl_relaxed(pmu_base_addr + offset);
>>  }
>>
>> -static void exynos_power_off(void)
>> -{
>> -       unsigned int tmp;
>> -
>> -       pr_info("Power down.\n");
>> -       tmp = pmu_raw_readl(EXYNOS_PS_HOLD_CONTROL);
>> -       tmp ^= (1 << 8);
>> -       pmu_raw_writel(tmp, EXYNOS_PS_HOLD_CONTROL);
>> -
>> -       /* Wait a little so we don't give a false warning below */
>> -       mdelay(100);
>> -
>> -       pr_err("Power down failed, please power off system manually.\n");
>> -       while (1)
>> -               ;
>> -}
>> -
>>  void exynos_sys_powerdown_conf(enum sys_powerdown mode)
>>  {
>>         unsigned int i;
>> @@ -85,6 +68,23 @@ void exynos_sys_powerdown_conf(enum sys_powerdown mode)
>>         }
>>  }
>>
>> +static void exynos_power_off(void)
>> +{
>> +       unsigned int tmp;
>> +
>> +       pr_info("Power down.\n");
>> +       tmp = pmu_raw_readl(EXYNOS_PS_HOLD_CONTROL);
>> +       tmp ^= (1 << 8);
> Can we have some define over here? to operate this bit.
> 

1. This will be removed by syscon-reboot/poweroff patches [0].
2. This patch is only rename/move. Fixing stuff should go to separate
patches. But IMHO fixing is not needed because of 1.

[0] http://www.spinics.net/lists/devicetree/msg98858.html

Best regards,
Krzysztof

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