linux-kernel - Re: [PATCH v3 4/5] amba: Make the remove callback return void

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Message-ID: <3e42b2ea-c713-31b2-9c86-c49a70d8e1f4@arm.com>
Date:   Tue, 26 Jan 2021 17:08:40 +0000
From:   Suzuki K Poulose <suzuki.poulose@....com>
To:     Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
        Russell King <linux@...linux.org.uk>,
        Matt Mackall <mpm@...enic.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Vinod Koul <vkoul@...nel.org>,
        Dan Williams <dan.j.williams@...el.com>,
        Eric Anholt <eric@...olt.net>, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Vladimir Zapolskiy <vz@...ia.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Mark Brown <broonie@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Eric Auger <eric.auger@...hat.com>,
        Alex Williamson <alex.williamson@...hat.com>,
        Cornelia Huck <cohuck@...hat.com>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Cc:     linux-kernel@...r.kernel.org, kernel@...gutronix.de,
        Mike Leach <mike.leach@...aro.org>,
        Leo Yan <leo.yan@...aro.org>, Arnd Bergmann <arnd@...db.de>,
        linux-crypto@...r.kernel.org, dmaengine@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, coresight@...ts.linaro.org,
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        kvm@...r.kernel.org, linux-fbdev@...r.kernel.org,
        linux-watchdog@...r.kernel.org, alsa-devel@...a-project.org
Subject: Re: [PATCH v3 4/5] amba: Make the remove callback return void

Hi

On 1/26/21 4:58 PM, Uwe Kleine-König wrote:
> All amba drivers return 0 in their remove callback. Together with the
> driver core ignoring the return value anyhow, it doesn't make sense to
> return a value here.
> 
> Change the remove prototype to return void, which makes it explicit that
> returning an error value doesn't work as expected. This simplifies changing
> the core remove callback to return void, too.
> 
> Reviewed-by: Ulf Hansson <ulf.hansson@...aro.org>
> Reviewed-by: Arnd Bergmann <arnd@...db.de>
> Acked-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
> Acked-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
> Acked-by: Krzysztof Kozlowski <krzk@...nel.org> # for drivers/memory
> Acked-by: Mark Brown <broonie@...nel.org>
  > Acked-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
> Acked-by: Linus Walleij <linus.walleij@...aro.org>
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>


>   drivers/hwtracing/coresight/coresight-etm4x-core.c | 4 +---

You are most likely to have a conflict for the above file, with what is
in coresight/next. It should be easy to resolve.

Otherwise, the changes look good for the drivers/hwtracing/coresight/*

Acked-by: Suzuki K Poulose <suzuki.poulose@....com>