linux-kernel - Re: [PATCH 38/42] drivers: gpio: vr41xx: use devm_platform_ioremap

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Date:   Tue, 12 Mar 2019 16:42:06 +0100
From:   "Enrico Weigelt, metux IT consult" <lkml@...ux.net>
To:     Thierry Reding <thierry.reding@...il.com>,
        "Enrico Weigelt, metux IT consult" <info@...ux.net>
Cc:     linux-kernel@...r.kernel.org, linus.walleij@...aro.org,
        bgolaszewski@...libre.com, andrew@...id.au, f.fainelli@...il.com,
        sbranden@...adcom.com, bcm-kernel-feedback-list@...adcom.com,
        hoan@...amperecomputing.com, orsonzhai@...il.com,
        baolin.wang@...aro.org, zhang.lyra@...il.com,
        keguang.zhang@...il.com, vz@...ia.com, matthias.bgg@...il.com,
        grygorii.strashko@...com, ssantosh@...nel.org, khilman@...nel.org,
        robert.jarzmik@...e.fr, yamada.masahiro@...ionext.com,
        jun.nie@...aro.org, shawnguo@...nel.org,
        linux-gpio@...r.kernel.org, linux-mips@...r.kernel.org,
        linux-pwm@...r.kernel.org, linux-omap@...r.kernel.org,
        linux-tegra@...r.kernel.org
Subject: Re: [PATCH 38/42] drivers: gpio: vr41xx: use
 devm_platform_ioremap_resource()

On 12.03.19 12:37, Thierry Reding wrote:

> The driver currently doesn't request the memory described in the
> resource, so technically you're changing behaviour here and with your
> change the driver could now fail if somebody else has already claimed
> the memory.

hmm, using w/o requesting/claiming - isn't that a bug ?


--mtx

-- 
Enrico Weigelt, metux IT consult
Free software and Linux embedded engineering
info@...ux.net -- +49-151-27565287