linux-kernel - Re: [PATCH 0/5] Convert to use devm

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Message-ID: <20170326152050.v47z36eud6xvrcpt@piout.net>
Date:   Sun, 26 Mar 2017 17:20:50 +0200
From:   Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To:     Leo Yan <leo.yan@...aro.org>
Cc:     Russell King <linux@...linux.org.uk>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Linus Walleij <linus.walleij@...aro.org>,
        Baptiste Reynal <b.reynal@...tualopensystems.com>,
        Alex Williamson <alex.williamson@...hat.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, linux-input@...r.kernel.org,
        linux-kernel@...r.kernel.org, rtc-linux@...glegroups.com,
        linux-arm-kernel@...ts.infradead.org, kvm@...r.kernel.org,
        alsa-devel@...a-project.org
Subject: Re: [PATCH 0/5] Convert to use devm_*() for amba attached modules

On 26/03/2017 at 22:41:49 +0800, Leo Yan wrote:
> When review device driver modules which attach to amba bus, found
> several modules are not using devm_*() apis to manage resource. As
> result, some drivers have memory leakage or missing iomem unmapping
> when rmmod module. And the code has many "goto" tags to handle
> different failures.
> 
> So this patch series is to convert to use devm_*() for moudules which
> are attached to amba bus to manage resource and get more robust and
> neat code.
> 
> Patch 0003 "drivers/rtc/rtc-pl031.c: Convert to use devm_*()" has been
> verified on 96boards Hikey. Other patches can pass building but have
> not really tested on hardware.
> 

If your plan is to actually remove usage of
amba_request_regions() and amba_release_regions(), you should do so in
its own patch sets instead of hiding that in a useless cleanup series.

-- 
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com