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From: Wolfram Sang <wsa@the-dreams.de>
To: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa+renesas@sang-engineering.com>,
	Ulf Hansson <ulf.hansson@linaro.org>,
	Magnus Damm <magnus.damm@gmail.com>,
	linux-mmc@vger.kernel.org, linux-renesas-soc@vger.kernel.org
Subject: Re: [PATCH mmc/next v3 0/4] mmc: renesas_sdhi: add support for R-Car Gen3 SDHI DMAC
Date: Mon, 26 Jun 2017 22:16:50 +0200	[thread overview]
Message-ID: <20170626201650.GA3595@katana> (raw)
In-Reply-To: <1498053630-7780-1-git-send-email-horms+renesas@verge.net.au>

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> this series adds support for the internal DMAC used by r8a779[56] SoCs.
> This is achieved by adding a new variant of the SDHI driver for this
> DMA controller with compat strings for the r8a779[56] SoCs.
> Compat strings for these SoCs are also removed from the existing SYS DMAC
> variant of the SDHI driver.

Okay, I tested some more today. My conclusion is that the series works
so far. However, it quite often triggers a SDR50 retune with one card.
And that sends an explicit CMD12 which we don't handle well. I always
suspected the code to be imperfect, now I have a proof. So, that is a
good thing but seems unrelated to this series to me.

Another card does not retune and works flawlessly.

I will sleep over it, re-test tomorrow and if my findings will get
confirmed, then I'll give my Reviewed-by tags to this series.


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  parent reply	other threads:[~2017-06-26 20:16 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-21 14:00 [PATCH mmc/next v3 0/4] mmc: renesas_sdhi: add support for R-Car Gen3 SDHI DMAC Simon Horman
2017-06-21 14:00 ` [PATCH mmc/next v3 1/4] mmc: tmio, renesas-sdhi: add max_{segs,blk_count} to tmio_mmc_data Simon Horman
2017-06-21 14:00 ` [PATCH mmc/next v3 2/4] mmc: tmio, renesas-sdhi: add dataend to DMA ops Simon Horman
2017-06-28 14:34   ` Wolfram Sang
2017-06-21 14:00 ` [PATCH mmc/next v3 3/4] mmc: renesas-sdhi: add support for R-Car Gen3 SDHI DMAC Simon Horman
2017-06-28 14:35   ` Wolfram Sang
2017-06-21 14:00 ` [PATCH mmc/next v3 4/4] mmc: renesas-sdhi: remove gen3 support from SYS-DMAC driver Simon Horman
2017-06-30  9:59   ` Simon Horman
2017-06-26 20:16 ` Wolfram Sang [this message]
2017-06-28 14:40   ` [PATCH mmc/next v3 0/4] mmc: renesas_sdhi: add support for R-Car Gen3 SDHI DMAC Wolfram Sang
2017-07-11 14:43 ` Ulf Hansson
2017-07-12 10:12   ` Simon Horman

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