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From: marex@denx.de (Marek Vasut)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2] ARM: dts: imx28: Adjust i2c interrupt bindings
Date: Wed, 22 May 2013 13:05:09 +0200	[thread overview]
Message-ID: <201305221305.09579.marex@denx.de> (raw)
In-Reply-To: <201305221219.43558.jbe@pengutronix.de>

Dear Juergen Beisert,

> Hi Fabio,
> 
> > i2c slowness is a different issue.
> 
> Same happens here for my i.M23 based platform. It seems the PIO mode does
> not work, or at least not like it works on a i.MX28. Each short transfer
> needs about one second (without an error message) but does not send
> anything on the I2C lines.
> 
> I need the following patches to make I2C master work within a 3.10-rc2
> kernel:
> 
> Subject: [PATCH] I2C/MXS: distinguish i.MX23 and i.MX28 based I2C

I'm all for it, but then ... won't it be better if you actually fixed the PIO 
and mixed-mode on MX23 instead of implementing such hack? It might actually turn 
out to be beneficial for MX28 too.

Best regards,
Marek Vasut

  reply	other threads:[~2013-05-22 11:05 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-16 14:13 [PATCH 1/2] ARM: dts: imx: Remove custom dma-channel bindings Fabio Estevam
2013-05-16 14:13 ` [PATCH 2/2] ARM: dts: imx28: Adjust i2c interrupt bindings Fabio Estevam
2013-05-16 15:50   ` Fabio Estevam
2013-05-16 17:25     ` Fabio Estevam
2013-05-16 19:33       ` Alexandre Belloni
2013-05-17  0:10         ` Fabio Estevam
2013-05-22 10:19       ` Juergen Beisert
2013-05-22 11:05         ` Marek Vasut [this message]
2013-05-23  7:20           ` Juergen Beisert
2013-05-23 14:48             ` Marek Vasut
2013-05-23 15:28               ` Lucas Stach
2013-05-23 17:51                 ` Alexandre Belloni
2013-05-24  8:08                   ` Lucas Stach
2013-05-24 13:57                     ` Marek Vasut
2013-05-24  1:00                 ` Marek Vasut
2013-05-22 13:41         ` Fabio Estevam
2013-07-17 17:05         ` Marek Vasut
2013-05-17  2:25 ` [PATCH 1/2] ARM: dts: imx: Remove custom dma-channel bindings Shawn Guo

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