linux-kernel - Re: [PATCH 2/3] memory: mtk-smi: Add module_exit and module

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Message-ID: <1611557381.3184.21.camel@mhfsdcap03>
Date:   Mon, 25 Jan 2021 14:49:41 +0800
From:   Yong Wu <yong.wu@...iatek.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>
CC:     Matthias Brugger <matthias.bgg@...il.com>,
        Joerg Roedel <joro@...tes.org>,
        Robin Murphy <robin.murphy@....com>,
        Will Deacon <will@...nel.org>, Tomasz Figa <tfiga@...gle.com>,
        <linux-mediatek@...ts.infradead.org>,
        <srv_heupstream@...iatek.com>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <iommu@...ts.linux-foundation.org>, <youlin.pei@...iatek.com>,
        Nicolas Boichat <drinkcat@...omium.org>,
        <anan.sun@...iatek.com>, <yi.kuo@...iatek.com>
Subject: Re: [PATCH 2/3] memory: mtk-smi: Add module_exit and module_license

On Fri, 2021-01-22 at 22:34 +0100, Krzysztof Kozlowski wrote:
> On Thu, Jan 21, 2021 at 02:24:28PM +0800, Yong Wu wrote:
> > The config MTK_SMI always depends on MTK_IOMMU which is built-in
> > currently. Thus we don't have module_exit before. This patch adds
> > module_exit and module_license. It is a preparing patch for supporting
> > MTK_SMI could been built as a module.
> > 
> > Signed-off-by: Yong Wu <yong.wu@...iatek.com>
> > ---
> >  drivers/memory/mtk-smi.c | 10 ++++++++++
> >  1 file changed, 10 insertions(+)
> > 
> > diff --git a/drivers/memory/mtk-smi.c b/drivers/memory/mtk-smi.c
> > index e2aebd2bfa8e..aa2a25abf04f 100644
> > --- a/drivers/memory/mtk-smi.c
> > +++ b/drivers/memory/mtk-smi.c
> > @@ -597,3 +597,13 @@ static int __init mtk_smi_init(void)
> >  	return platform_register_drivers(smidrivers, ARRAY_SIZE(smidrivers));
> >  }
> >  module_init(mtk_smi_init);
> > +
> > +static void __exit mtk_smi_exit(void)
> > +{
> > +	platform_unregister_drivers(smidrivers, ARRAY_SIZE(smidrivers));
> > +}
> > +module_exit(mtk_smi_exit);
> > +
> > +MODULE_DESCRIPTION("MediaTek SMI driver");
> > +MODULE_ALIAS("platform:MediaTek-SMI");
> 
> Drivers do not use capital letters, so I have doubts whether this alias
> is correct.

I didn't care the upper/lower-case. I will change to lower case in next
time.

MODULE_ALIAS("platform:MediaTek-smi")

> 
> Adding all these should be squashed with changing Kconfig into tristate.
> It does not have sense on its own.

Thanks  very much for review.

Only confirm: Squash whole this patch or only squash the MODULE_x into
the next patch?

> 
> Best regards,
> Krzysztof