linux-kernel - Re: [PATCH v7 0/9] fix fwnode_irq_get[

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Message-ID: <20230530233438.572db3fb@kernel.org>
Date:   Tue, 30 May 2023 23:34:38 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Matti Vaittinen <mazziesaccount@...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>,
        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 v7 0/9] fix fwnode_irq_get[_byname()] returnvalue

On Mon, 29 May 2023 09:22:15 +0300 Matti Vaittinen wrote:
> The fwnode_irq_get() and the fwnode_irq_get_byname() may have returned
> zero if mapping the IRQ fails. This contradicts the
> fwnode_irq_get_byname() documentation. Furthermore, returning zero or
> errno on error is unepected and can easily lead to problems
> like.

What's the merging plan? Could patch 1 go to a stable branch 
and then driver trees can pull it in and apply their respective 
patches locally?