linux-kernel - Re: [PATCH v5 3/8] net-next: mvpp2: relax return value check for IRQ get

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Message-ID: <6e94c838-886d-3c58-3fa0-175501f57f56@gmail.com>
Date:   Mon, 22 May 2023 08:15:01 +0300
From:   Matti Vaittinen <mazziesaccount@...il.com>
To:     andy.shevchenko@...il.com
Cc:     Matti Vaittinen <matti.vaittinen@...rohmeurope.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Daniel Scally <djrscally@...il.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Wolfram Sang <wsa@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Michael Hennerich <Michael.Hennerich@...log.com>,
        Jonathan Cameron <jic23@...nel.org>,
        Andreas Klinger <ak@...klinger.de>,
        Marcin Wojtas <mw@...ihalf.com>,
        Russell King <linux@...linux.org.uk>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Jonathan Neuschäfer <j.neuschaefer@....net>,
        Linus Walleij <linus.walleij@...aro.org>,
        Paul Cercueil <paul@...pouillou.net>,
        Akhil R <akhilrajeev@...dia.com>, linux-acpi@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-i2c@...r.kernel.org,
        linux-iio@...r.kernel.org, netdev@...r.kernel.org,
        openbmc@...ts.ozlabs.org, linux-gpio@...r.kernel.org,
        linux-mips@...r.kernel.org
Subject: Re: [PATCH v5 3/8] net-next: mvpp2: relax return value check for IRQ
 get

Hi Andy,

On 5/21/23 20:19, andy.shevchenko@...il.com wrote:
> Fri, May 19, 2023 at 02:01:47PM +0300, Matti Vaittinen kirjoitti:
>> fwnode_irq_get[_byname]() were changed to not return 0 anymore.
>>
>> Drop check for return value 0.
> 
> ...
> 
>> -		if (v->irq <= 0) {
>> +		if (v->irq < 0) {
>>   			ret = -EINVAL;
> 
> 			ret = v->irq;
> 
> ?

For me that seems to be correct, yes. This, however, would be a 
functional change and in my opinion it should be done separately from 
this API change.

> 
>>   			goto err;
>>   		}
> 

-- 
Matti Vaittinen
Linux kernel developer at ROHM Semiconductors
Oulu Finland

~~ When things go utterly wrong vim users can always type :help! ~~