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From: Wolfram Sang <wsa@the-dreams.de>
To: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"linux-i2c@vger.kernel.org" <linux-i2c@vger.kernel.org>,
	Chris Paterson <Chris.Paterson2@renesas.com>,
	Biju Das <biju.das@bp.renesas.com>,
	"stable@vger.kernel.org" <stable@vger.kernel.org>,
	Ben Hutchings <ben.hutchings@codethink.co.uk>
Subject: Re: [PATCH 0/6] Fix R-Car I2C data byte sent twice issue
Date: Tue, 29 May 2018 21:16:36 +0200	[thread overview]
Message-ID: <20180529191636.3u3e476auyths3v6@katana> (raw)
In-Reply-To: <TY1PR01MB1770DD97E8044C4E9B989537C06D0@TY1PR01MB1770.jpnprd01.prod.outlook.com>

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> With respect to the changelog for commit 52df445f29b7 ("i2c: rcar: revoke
> START request early"), in particular:
> "This patch improves the situation but sadly does not completely fix it.
> It is still to be researched if we can do better given this HW design."
> This is still the best we can do so far, isn't it?

Yes, I think so. Gen3 seems to have this fixed in HW.


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  reply	other threads:[~2018-05-29 19:16 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-29 13:33 [PATCH 0/6] Fix R-Car I2C data byte sent twice issue Fabrizio Castro
2018-05-29 13:33 ` [PATCH 1/6] i2c: rcar: make sure clocks are on when doing clock calculation Fabrizio Castro
2018-05-29 13:33 ` [PATCH 2/6] i2c: rcar: rework hw init Fabrizio Castro
2018-05-29 13:33 ` [PATCH 3/6] i2c: rcar: remove unused IOERROR state Fabrizio Castro
2018-05-29 13:33 ` [PATCH 4/6] i2c: rcar: remove spinlock Fabrizio Castro
2018-05-29 13:33 ` [PATCH 5/6] i2c: rcar: refactor setup of a msg Fabrizio Castro
2018-05-29 13:33 ` [PATCH 6/6] i2c: rcar: init new messages in irq Fabrizio Castro
2018-05-29 17:19 ` [PATCH 0/6] Fix R-Car I2C data byte sent twice issue Wolfram Sang
2018-05-29 17:25   ` Wolfram Sang
2018-05-29 18:52     ` Fabrizio Castro
2018-05-29 19:16       ` Wolfram Sang [this message]
2018-05-29 18:08   ` Fabrizio Castro
2018-06-02 13:16 ` Greg Kroah-Hartman

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