linux-kernel - Re: [PATCH 2/4] mfd: 88pm800: use irq_mode to configure interrupt status reg clear method

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Date:	Tue, 02 Jun 2015 14:21:40 +0530
From:	Vaibhav Hiremath <vaibhav.hiremath@...aro.org>
To:	Lee Jones <lee.jones@...aro.org>
CC:	linux-arm-kernel@...ts.infradead.org, robh+dt@...nel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	rtc-linux@...glegroups.com, sameo@...ux.intel.com,
	a.zummo@...ertech.it, alexandre.belloni@...e-electrons.com,
	zhaoy <zhaoy@...vell.com>
Subject: Re: [PATCH 2/4] mfd: 88pm800: use irq_mode to configure interrupt
 status reg clear method



On Monday 01 June 2015 02:01 PM, Lee Jones wrote:
> On Sat, 30 May 2015, Vaibhav Hiremath wrote:
>
>>  From the spec, bit 1 of reg 0xe (page 0): IN_CLEAR_MODE controls the
>> method of clearing interrupt status register of 88pm800;
>>
>>    0: clear on read
>>    1: clear on write
>>
>> Signed-off-by: zhaoy <zhaoy@...vell.com>
>
> This signed-off is not acceptable.
>
> No nicknames.  Full names only.
>

I just carry forwarded the signoff from original commit.
Let me find his complete signoff and add it to this patch.


>> Signed-off-by: Vaibhav Hiremath <vaibhav.hiremath@...aro.org>
>> ---
>>   drivers/mfd/88pm800.c       | 4 +++-
>>   include/linux/mfd/88pm80x.h | 2 ++
>>   2 files changed, 5 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c
>> index 06ee058..8ea4467 100644
>> --- a/drivers/mfd/88pm800.c
>> +++ b/drivers/mfd/88pm800.c
>> @@ -391,7 +391,8 @@ static int device_irq_init_800(struct pm80x_chip *chip)
>>   	    PM800_WAKEUP2_INV_INT | PM800_WAKEUP2_INT_CLEAR |
>>   	    PM800_WAKEUP2_INT_MASK;
>>
>> -	data = PM800_WAKEUP2_INT_CLEAR;
>> +	data = (chip->irq_mode) ?
>> +		PM800_WAKEUP2_INT_WRITE_CLEAR : PM800_WAKEUP2_INT_READ_CLEAR;
>
> These variable names are terrible.  'irq_mode' as a bool tells me
> nothing.
>
> What does; irq_mode = 'yes' and irq_mode = 'no' mean?  If I didn't
> read the remainder of the code, I would assume if it was 'yes' then
> the device was in IRQ Mode and if not, it would be in PIO or Polling
> mode, but that's not what it means at all is it?
>
> As for 'data', well, isn't everything data?
>


I will rename it.


Thanks,
Vaibhav
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