From: Wolfram Sang <wsa@the-dreams.de>
To: Brendan Higgins <brendanhiggins@google.com>
Cc: Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
gregkh@linuxfoundation.org, davem@davemloft.net,
mchehab@kernel.org, Joel Stanley <joel@jms.id.au>,
martin.petersen@oracle.com,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
linux-i2c@vger.kernel.org, devicetree@vger.kernel.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
OpenBMC Maillist <openbmc@lists.ozlabs.org>
Subject: Re: [PATCH v11 3/4] i2c: aspeed: added driver for Aspeed I2C
Date: Tue, 27 Jun 2017 11:00:42 +0200 [thread overview]
Message-ID: <20170627090042.GA2408@katana> (raw)
In-Reply-To: <CAFd5g45=O2_MgfZEkmbY-=ZZY+izxeWSuhZT+B2e08P=O+WEog@mail.gmail.com>
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> > If SCL is stuck low, how do you want to send a STOP?
> >
>
> Fair point. I should probably drop that in the future and just do a
> reset, and even then, doing a
> reset is probably just wishful thinking. If a slave is holding down
> SCL, we are pretty screwed.
Yes, you'd need to reset the client device. And that has to be done in
the client driver. I wonder if i2c_transfer and friends should return a
specific error value in that case... need to think about it.
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next prev parent reply other threads:[~2017-06-27 9:00 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-20 21:15 [PATCH v11 0/4] i2c: aspeed: added driver for Aspeed I2C Brendan Higgins
2017-06-20 21:15 ` [PATCH v11 1/4] MAINTAINERS: add entry for Aspeed I2C driver Brendan Higgins
2017-06-23 18:40 ` Wolfram Sang
2017-06-20 21:15 ` [PATCH v11 2/4] i2c: aspeed: added documentation " Brendan Higgins
2017-06-23 18:41 ` Wolfram Sang
2017-06-20 21:15 ` [PATCH v11 3/4] i2c: aspeed: added driver for Aspeed I2C Brendan Higgins
2017-06-23 18:43 ` Wolfram Sang
2017-06-26 6:18 ` Joel Stanley
2017-06-27 8:36 ` Brendan Higgins
2017-06-27 8:28 ` Brendan Higgins
2017-06-27 9:00 ` Wolfram Sang [this message]
2017-06-27 23:47 ` Brendan Higgins
2017-06-28 7:45 ` Wolfram Sang
2017-07-13 22:44 ` Brendan Higgins
2017-07-14 7:18 ` Wolfram Sang
2017-06-20 21:15 ` [PATCH v11 4/4] i2c: aspeed: added slave support for Aspeed I2C driver Brendan Higgins
2017-06-23 18:41 ` Wolfram Sang
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