linux-kernel - Re: Revert "dmaengine: pl330: add DMA

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Message-Id: <20180529051745eucas1p2ee6ec3e34f075d255c87f8f54a626784~zBcpaqmAb1928519285eucas1p2H@eucas1p2.samsung.com>
Date:   Tue, 29 May 2018 07:17:44 +0200
From:   Marek Szyprowski <m.szyprowski@...sung.com>
To:     Vinod <vkoul@...nel.org>
Cc:     Frank Mori Hess <fmh6jj@...il.com>, dmaengine@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Dan Williams <dan.j.williams@...el.com>,
        r.baldyga@...kerion.com, Krzysztof Kozlowski <krzk@...nel.org>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Linux Samsung SOC <linux-samsung-soc@...r.kernel.org>
Subject: Re: Revert "dmaengine: pl330: add DMA_PAUSE feature"

Hi Vinod,

On 2018-05-18 09:21, Vinod wrote:
> On 18-05-18, 08:28, Marek Szyprowski wrote:
>> Hi Vinod,
>>
>> Okay, I see that in theory, there are some tricky bits in implementing DMA
>> support in UART drivers. On the other hand there are already drivers
>> with seems
>> to be working fine. This discussion is about revert of the feature
>> present in
>> pl330 driver, which is required by other in-kernel driver without proper
>> fix to
>> them.
>>
>> Can we drop it for now and discuss what and how should be implemented to
>> make
>> everyone happy, without any regressions?
> Sure am dropping the revert, we can always bring it back if it is required

This revert is still in your -next branch. Do you plan to update it as well?

Best regards
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland