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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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  reply	other threads:[~2017-06-27  9:00 UTC|newest]

Thread overview: 25+ 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
     [not found] ` <20170620211516.13095-1-brendanhiggins-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2017-06-20 21:15   ` [PATCH v11 1/4] MAINTAINERS: add entry for Aspeed I2C driver Brendan Higgins
2017-06-20 21:15     ` Brendan Higgins
2017-06-23 18:40     ` Wolfram Sang
2017-06-20 21:15   ` [PATCH v11 2/4] i2c: aspeed: added documentation " Brendan Higgins
2017-06-20 21:15     ` Brendan Higgins
     [not found]     ` <20170620211516.13095-3-brendanhiggins-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2017-06-23 18:41       ` Wolfram Sang
2017-06-23 18:41         ` Wolfram Sang
2017-06-20 21:15   ` [PATCH v11 4/4] i2c: aspeed: added slave support " Brendan Higgins
2017-06-20 21:15     ` 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
2017-06-27 23:47           ` Brendan Higgins
     [not found]           ` <CAFd5g449iu6DGvMuP8-n8C6GBbr62G6_ZYS6Lh9038EB0XO9YA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-06-28  7:45             ` Wolfram Sang
2017-06-28  7:45               ` Wolfram Sang
2017-07-13 22:44               ` Brendan Higgins
2017-07-13 22:44                 ` Brendan Higgins
     [not found]                 ` <CAFd5g45V0Ya0UdBZMCoazvE0Sh33F3_oMb84-kLXn1qH0h=b3A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-07-14  7:18                   ` Wolfram Sang
2017-07-14  7:18                     ` Wolfram Sang

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