From: Wolfram Sang <wsa@the-dreams.de>
To: Biju Das <biju.das@bp.renesas.com>
Cc: Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Simon Horman <horms@verge.net.au>,
Magnus Damm <magnus.damm@gmail.com>,
Chris Paterson <Chris.Paterson2@renesas.com>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-renesas-soc@vger.kernel.org"
<linux-renesas-soc@vger.kernel.org>,
"linux-i2c@vger.kernel.org" <linux-i2c@vger.kernel.org>
Subject: Re: [PATCH 0/2] Use demuxer for i2c1 and i2c5
Date: Mon, 22 Jan 2018 15:08:24 +0100 [thread overview]
Message-ID: <20180122140824.ox2ljc3kvrkgipq7@ninjato> (raw)
In-Reply-To: <KL1PR06MB170262934FD5C3B9D422A134B8EC0@KL1PR06MB1702.apcprd06.prod.outlook.com>
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> > > On top of renesas-dev branch, I am using the below i2c-rcar driver related
> > patches.
> > >
> > > https://www.mail-archive.com/linux-renesas-soc@vger.kernel.org/msg2227
> > > 8.html
> >
> > Those should be enough. They are not?
>
> Yes. I have tested without demuxer patches, I confirm, it can recover the bus.
That is great news! Thanks for the additional testing. I was a little
worried that the 'bus stalled' detection might have failed for you, but
it seems it works for your case as well.
With that put aside, it is still valid, to add the demuxer to the DTS
file in case you want to switch to bitbanged GPIO at runtime for some
reason. Only the commit message would need updating then, however,
because it is not relevant for bus recovery.
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next prev parent reply other threads:[~2018-01-22 14:08 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-22 11:29 [PATCH 0/2] Use demuxer for i2c1 and i2c5 Biju Das
2018-01-22 11:29 ` [PATCH vY 1/2] ARM: dts: iwg22d-sodimm-dbhd-ca: use demuxer for I2C1 Biju Das
2018-01-22 11:29 ` [PATCH vY 2/2] ARM: dts: iwg22d-sodimm: use demuxer for I2C5 Biju Das
2018-01-22 11:40 ` [PATCH 0/2] Use demuxer for i2c1 and i2c5 Wolfram Sang
2018-01-22 11:55 ` Biju Das
2018-01-22 12:22 ` Wolfram Sang
2018-01-22 14:03 ` Biju Das
2018-01-22 14:03 ` Biju Das
2018-01-22 14:08 ` Wolfram Sang [this message]
2018-01-23 13:39 ` Biju Das
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