linux-kernel - Re: [PATCH 1/4] dma: Add PTDMA Engine driver support

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Message-ID: <bcd96f78-9b5d-bc9e-7baf-20c6ed031473@amd.com>
Date:   Thu, 3 Oct 2019 17:24:45 +0000
From:   Sanjay R Mehta <sanmehta@....com>
To:     Randy Dunlap <rdunlap@...radead.org>,
        "Hook, Gary" <Gary.Hook@....com>,
        "S-k, Shyam-sundar" <Shyam-sundar.S-k@....com>,
        "Shah, Nehal-bakulchandra" <Nehal-bakulchandra.Shah@....com>,
        "Kumar, Rajesh" <Rajesh1.Kumar@....com>,
        "vkoul@...nel.org" <vkoul@...nel.org>,
        "mchehab+samsung@...nel.org" <mchehab+samsung@...nel.org>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "robh@...nel.org" <robh@...nel.org>,
        "linus.walleij@...aro.org" <linus.walleij@...aro.org>,
        "nicolas.ferre@...rochip.com" <nicolas.ferre@...rochip.com>,
        "dan.j.williams@...el.com" <dan.j.williams@...el.com>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "dmaengine@...r.kernel.org" <dmaengine@...r.kernel.org>
Subject: Re: [PATCH 1/4] dma: Add PTDMA Engine driver support


On 9/24/2019 8:05 PM, Randy Dunlap wrote:
> [CAUTION: External Email]
>
> On 9/24/19 12:31 AM, Mehta, Sanju wrote:
>> From: Sanjay R Mehta <sanju.mehta@....com>
>>
>> This is the driver for the AMD passthrough DMA Engine
>>
>> Signed-off-by: Sanjay R Mehta <sanju.mehta@....com>
>> Reviewed-by: Shyam Sundar S K <Shyam-sundar.S-k@....com>
>> Reviewed-by: Rajesh Kumar <Rajesh1.Kumar@....com>
>> ---
>> diff --git a/drivers/dma/ptdma/Kconfig b/drivers/dma/ptdma/Kconfig
>> new file mode 100644
>> index 0000000..a373431
>> --- /dev/null
>> +++ b/drivers/dma/ptdma/Kconfig
>> @@ -0,0 +1,7 @@
>> +# SPDX-License-Identifier: GPL-2.0-only
>> +config AMD_PTDMA
>> +     tristate  "AMD Passthru DMA Engine"
>> +     default m
> Can you justify "default m"?  Most likely it should not be here.
Agree . This will be resolved in next version of patch set.
>
>
>> +     depends on X86_64 && PCI
>> +     help
>> +       Provides the support for AMD Passthru DMA engine.
>
> --
> ~Randy