Re: [PATCH v2] i2c: cadence: Add an error handling for platform_get_irq()

From: Michal Simek
Date: Fri May 22 2020 - 11:27:01 EST


On 22. 05. 20 17:14, Wolfram Sang wrote:
>
>> The change is valid but the question is if make sense to do it in this
>> way. Some drivers are using devm_request_irq to do do job.
>>
>> For example:
>> id->irq = platform_get_irq(pdev, 0);
>> ret = devm_request_irq(&pdev->dev, id->irq, cdns_i2c_isr, 0,
>> DRIVER_NAME, id);
>> if (ret)
>> return ret;
>
> I like this version better. Maybe we should simply move the
> platform_get_irq() line to the devm_request_irq() call?

You know about
devm_platform_get_and_ioremap_resource()
usage.
Maybe that's the way to go. Because as of today there is no way to pass
position of irq resource.

But I expect it will come in near future.

Thanks,
Michal