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

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Date:   Fri, 22 Jan 2021 22:34:27 +0100
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Yong Wu <yong.wu@...iatek.com>
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 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.

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

Best regards,
Krzysztof