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Subject: Re: [PATCH v9 1/2] dmaengine: 8250_mtk_dma: add MediaTek uart DMA
 support
To:     Nicolas Boichat <drinkcat@chromium.org>,
        Long Cheng <long.cheng@mediatek.com>
Cc:     Vinod Koul <vkoul@kernel.org>, Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Ryder Lee <ryder.lee@mediatek.com>,
        Sean Wang <sean.wang@kernel.org>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        Dan Williams <dan.j.williams@intel.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Jiri Slaby <jslaby@suse.com>,
        Sean Wang <sean.wang@mediatek.com>, dmaengine@vger.kernel.org,
        devicetree@vger.kernel.org,
        linux-arm Mailing List <linux-arm-kernel@lists.infradead.org>,
        linux-mediatek@lists.infradead.org,
        lkml <linux-kernel@vger.kernel.org>,
        linux-serial@vger.kernel.org, srv_heupstream@mediatek.com,
        Yingjoe Chen <yingjoe.chen@mediatek.com>,
        YT Shen <yt.shen@mediatek.com>,
        Zhenbao Liu <zhenbao.liu@mediatek.com>
References: <1546395178-8880-1-git-send-email-long.cheng@mediatek.com>
 <1546395178-8880-2-git-send-email-long.cheng@mediatek.com>
 <CANMq1KB=yuEJxUdi8M9deDhAv24WZ-4h+26cFq7AzBi8uyd88Q@mail.gmail.com>
From:   Randy Dunlap <rdunlap@infradead.org>
Message-ID: <d60c25c2-efe4-9294-dc7e-98f0333bff76@infradead.org>
Date:   Wed, 2 Jan 2019 18:03:32 -0800
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Hi,

While you are making changes, here are a few more:


On 1/2/19 5:39 PM, Nicolas Boichat wrote:
> diff --git a/drivers/dma/mediatek/Kconfig b/drivers/dma/mediatek/Kconfig
> index 27bac0b..1a523c87 100644
> --- a/drivers/dma/mediatek/Kconfig
> +++ b/drivers/dma/mediatek/Kconfig
> @@ -1,4 +1,15 @@
> 
> +config DMA_MTK_UART
> +       tristate "MediaTek SoCs APDMA support for UART"
> +       depends on OF && SERIAL_8250_MT6577
> +       select DMA_ENGINE
> +       select DMA_VIRTUAL_CHANNELS
> +       help
> +         Support for the UART DMA engine found on MediaTek MTK SoCs.
> +         when SERIAL_8250_MT6577 is enabled, and if you want to use DMA,

	    When

> +         you can enable the config. the DMA engine can only be used

	                               The

> +         with MediaTek SoCs.
> +

Also, use tabs to indent instead of spaces.
The lines (tristate, depends, select, and help) should be indented with one tab.
The help text lines should be indented with one tab + 2 spaces.

>  config MTK_HSDMA
>         tristate "MediaTek High-Speed DMA controller support"
>         depends on ARCH_MEDIATEK || COMPILE_TEST


thanks,
-- 
~Randy