possible MXS-i2c bug

Fabio Estevam festevam at gmail.com
Thu Apr 26 07:41:27 EDT 2012


On Thu, Apr 26, 2012 at 8:26 AM, Marek Vasut <marex at denx.de> wrote:
> Hi,
>
> I recently tried mxs-i2c (on 3.4-rc4) with at24 eeprom, didn't work as expected.
>
> Apparently, there might be some timing issue, when I put printk() into the at24
> driver eeprom write function, it "fixed" itself. Though, replacing the i2c
> driver with i2c gpio also fixed the issue, so I suspect the i2c driver has some
> flaw in it.

Does Wolfram's patch help?
http://www.spinics.net/lists/linux-i2c/msg08002.html

I don't have a I2C eeprom soldered on my mx28evk to test it.



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