linux-kernel - Re: [PATCH v6 1/2] dmaengine: 8250_mtk

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Message-ID: <46c746fc-b400-ec6e-d6b1-899c3d594b19@infradead.org>
Date:   Tue, 18 Dec 2018 19:12:33 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Long Cheng <long.cheng@...iatek.com>,
        Vinod Koul <vkoul@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Ryder Lee <ryder.lee@...iatek.com>
Cc:     Matthias Brugger <matthias.bgg@...il.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>,
        Sean Wang <sean.wang@...iatek.com>,
        Sean Wang <sean.wang@...nel.org>, dmaengine@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-serial@...r.kernel.org, srv_heupstream@...iatek.com,
        Yingjoe Chen <yingjoe.chen@...iatek.com>,
        YT Shen <yt.shen@...iatek.com>
Subject: Re: [PATCH v6 1/2] dmaengine: 8250_mtk_dma: add MediaTek uart DMA
 support

Hi,
A few small corrections...

On 12/18/18 6:20 PM, Long Cheng wrote:
> diff --git a/drivers/dma/mediatek/Kconfig b/drivers/dma/mediatek/Kconfig
> index 27bac0b..2c082c9 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 using DMA,

	  When                                                to use DMA,

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

	                             The DMA engine can only be used

> +	  with MediaTek SoCs.
> +


cheers,
-- 
~Randy