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From: Wolfram Sang <wsa@the-dreams.de>
To: Michael Bachmeier <michael.bachmeier.linux@gmail.com>
Cc: linux-i2c@vger.kernel.org, kernel@pengutronix.de,
	Shawn Guo <shawn.guo@linaro.org>
Subject: Re: i2c slave support für i.mx6
Date: Tue, 24 Nov 2015 09:08:30 +0100	[thread overview]
Message-ID: <20151124080830.GA1645@katana> (raw)
In-Reply-To: <CAH-Fpeo6R1haEb0qdw5merP5tpAhaEL7FKJ3HV6WFLfiB_B0Cg@mail.gmail.com>

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> Is the recognition of IAAS a hardware interrupt (according to manual,
> yes)? I set IEN (I2C enable) and IIEN (Interrupt Enable).

Ah, I thought you had a question about Renesas hardware. I dunno much
about Freescale anymore.

> I set the slave address to 0x1c (chosen at random). The IMX bus driver
> is unchanged. With my external Master I ask for the address on the
> bus. But the IAAS bit is never set.
> In this test, I want to see if the hardware interrupt work.
> Should i modified the bus driver (IRQ handler???) or is this a real
> hardware interrupt?
> 
> Where is my misconception?

Please send patches what you did. That is easier to talk about.

BTW the video is online now:

https://www.youtube.com/watch?v=JdQ21jlwb58

Regards,

   Wolfram


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      reply	other threads:[~2015-11-24  8:08 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-10  8:06 i2c slave support für i.mx6 Michael Bachmeier
2015-11-10  8:59 ` Wolfram Sang
2015-11-16  6:47   ` Michael Bachmeier
2015-11-18 11:11     ` Wolfram Sang
2015-11-23  9:11       ` Michael Bachmeier
2015-11-24  8:08         ` Wolfram Sang [this message]

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