linux-kernel - Re: [PATCH 4/6] gpio/omap: get rid of retrigger variable in gpio_irq

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Date:	Tue, 28 Feb 2012 10:41:47 +0530
From:	"DebBarma, Tarun Kanti" <tarun.kanti@...com>
To:	Kevin Hilman <khilman@...com>
Cc:	linux-omap@...r.kernel.org, grant.likely@...retlab.ca,
	tony@...mide.com, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 4/6] gpio/omap: get rid of retrigger variable in gpio_irq_handler

On Tue, Feb 28, 2012 at 5:32 AM, Kevin Hilman <khilman@...com> wrote:
> Tarun Kanti DebBarma <tarun.kanti@...com> writes:
>
>> This local variable is just assigned zero and then OR'ed
>> with isr. It does not appear to serve any purpose and so
>> removing it.
>>
>> Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@...com>
>
> Looks like the use of this was removed when I moved things over to using
> the generic IRQ framework, but I didn't fully clean up.
>
> Can you update the changelog to something along the lines of:
>
> "commit 672e302e3c (ARM: OMAP: use edge/level handlers from generic IRQ
> framework) removed retrigger support in favor of using generic IRQ
> framework.  This patch cleans up some unused remnants of that removal.
Yes, sure.
--
Tarun
>
> Thanks,
>
> Kevin
>
>> ---
>>  drivers/gpio/gpio-omap.c |    3 ---
>>  1 files changed, 0 insertions(+), 3 deletions(-)
>>
>> diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
>> index b62e861..3dd4b3a 100644
>> --- a/drivers/gpio/gpio-omap.c
>> +++ b/drivers/gpio/gpio-omap.c
>> @@ -623,7 +623,6 @@ static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
>>       u32 isr;
>>       unsigned int gpio_irq, gpio_index;
>>       struct gpio_bank *bank;
>> -     u32 retrigger = 0;
>>       int unmasked = 0;
>>       struct irq_chip *chip = irq_desc_get_chip(desc);
>>
>> @@ -660,8 +659,6 @@ static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
>>                       chained_irq_exit(chip, desc);
>>               }
>>
>> -             isr |= retrigger;
>> -             retrigger = 0;
>>               if (!isr)
>>                       break;
--
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