Re: [PATCH V2 4/5] drivers/rtc/rtc-ds1307.c: Support optional wakeup interrupt source

From: Grygorii Strashko
Date: Wed Jun 24 2015 - 12:26:18 EST


On 06/24/2015 07:07 PM, Nishanth Menon wrote:
> On 06/24/2015 10:36 AM, Grygorii Strashko wrote:
>> On 06/23/2015 07:15 PM, Nishanth Menon wrote:
> [...]
>
>>> + ds1307->wakeirq = of_irq_get(node, 1);
>>> + if (ds1307->wakeirq <= 0) {
>>> + if (ds1307->wakeirq == -EPROBE_DEFER) {
>>> + err = ds1307->wakeirq;
>>> + goto exit;
>>> + }
>>> + ds1307->wakeirq = 0;
>>> + goto no_irq;
>>> + }
>>
>> Might be above code could be done a little bit simpler?
>>
>> err = of_irq_get(node, 1);
>> if (err <= 0) {
>> if (err == -EPROBE_DEFER)
>> goto exit;
>> goto no_irq;
>
> I had considered it, but problem with this approach is that is err
> does not get reset back to 0 and probe will fail as it flows through
> the rest of the code.. which is not our intent.
>
>> }
>> ds1307->wakeirq = err;

As I can see from final code (after applying all patches) - It should work.
But I will not insist :)

--
regards,
-grygorii
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