netdev - Re: [PATCH 1/2] platform: make platform_get_irq

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Date:   Wed, 19 Jan 2022 13:56:12 +0300
From:   Sergey Shtylyov <s.shtylyov@....ru>
To:     Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
        "Greg Kroah-Hartman" <gregkh@...uxfoundation.org>
CC:     Andrew Lunn <andrew@...n.ch>, Ulf Hansson <ulf.hansson@...aro.org>,
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        "David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH 1/2] platform: make platform_get_irq_optional() optional
 (summary)

On 1/18/22 12:18 PM, Uwe Kleine-König wrote:
> On Sun, Jan 16, 2022 at 03:19:06PM +0100, Greg Kroah-Hartman wrote:
>> On Sat, Jan 15, 2022 at 07:36:43PM +0100, Uwe Kleine-König wrote:
>>> A possible compromise: We can have both. We rename
>>> platform_get_irq_optional() to platform_get_irq_silent() (or
>>> platform_get_irq_silently() if this is preferred) and once all users are
>>> are changed (which can be done mechanically), we reintroduce a
>>> platform_get_irq_optional() with Sergey's suggested semantic (i.e.
>>> return 0 on not-found, no error message printking).
>>
>> Please do not do that as anyone trying to forward-port an old driver
>> will miss the abi change of functionality and get confused.  Make
>> build-breaking changes, if the way a function currently works is
>> changed in order to give people a chance.
> 
> Fine for me. I assume this is a Nack for Sergey's patch?

   Which patch do you mean? I'm starting to get really muddled... :-(

> Best regards
> Uwe

MBR, Sergey